./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc --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 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:07:06,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:06,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:06,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:06,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:06,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:06,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:06,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:06,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:06,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:06,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:06,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:06,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:06,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:06,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:06,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:06,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:06,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:06,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:06,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:06,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:06,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:06,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:06,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:06,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:06,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:06,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:06,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:06,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:06,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:06,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:06,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:06,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:06,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:06,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:06,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:06,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:06,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:06,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:06,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:06,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:06,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:07:06,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:06,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:06,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:06,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:06,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:07:06,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:07:06,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:06,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:06,698 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:06,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:06,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:06,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:06,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:07:06,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:07:06,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:07:06,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:06,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:06,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:07:06,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:06,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:06,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:07:06,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:06,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:06,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:07:06,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:07:06,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:06,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:07:06,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:07:06,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:07:06,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:07:06,704 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_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-11-02 21:07:07,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:07,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:07,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:07,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:07,090 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:07,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-02 21:07:07,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/data/377fe9a6c/87e7e87de63a469e851935374e6f33a8/FLAG852e4b015 [2022-11-02 21:07:08,521 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:08,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-02 21:07:08,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/data/377fe9a6c/87e7e87de63a469e851935374e6f33a8/FLAG852e4b015 [2022-11-02 21:07:08,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/data/377fe9a6c/87e7e87de63a469e851935374e6f33a8 [2022-11-02 21:07:08,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:08,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:08,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:08,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:08,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:08,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:08" (1/1) ... [2022-11-02 21:07:08,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c736422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:08, skipping insertion in model container [2022-11-02 21:07:08,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:08" (1/1) ... [2022-11-02 21:07:08,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:08,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:07:14,960 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_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-11-02 21:07:15,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:15,461 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:07:16,139 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_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-11-02 21:07:16,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:16,478 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:07:16,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16 WrapperNode [2022-11-02 21:07:16,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:16,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:16,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:07:16,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:07:16,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:16,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,140 INFO L138 Inliner]: procedures = 713, calls = 6159, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 9050 [2022-11-02 21:07:17,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:17,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:07:17,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:07:17,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:07:17,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:07:17,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:07:17,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:07:17,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:07:17,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (1/1) ... [2022-11-02 21:07:17,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:17,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:17,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:07:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:07:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:07:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2022-11-02 21:07:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2022-11-02 21:07:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2022-11-02 21:07:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2022-11-02 21:07:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2022-11-02 21:07:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2022-11-02 21:07:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2022-11-02 21:07:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2022-11-02 21:07:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2022-11-02 21:07:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2022-11-02 21:07:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2022-11-02 21:07:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2022-11-02 21:07:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2022-11-02 21:07:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2022-11-02 21:07:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:07:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:07:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2022-11-02 21:07:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2022-11-02 21:07:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2022-11-02 21:07:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2022-11-02 21:07:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2022-11-02 21:07:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2022-11-02 21:07:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2022-11-02 21:07:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2022-11-02 21:07:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 21:07:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 21:07:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:07:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:07:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2022-11-02 21:07:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2022-11-02 21:07:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:07:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:07:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2022-11-02 21:07:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2022-11-02 21:07:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2022-11-02 21:07:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2022-11-02 21:07:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2022-11-02 21:07:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2022-11-02 21:07:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 21:07:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 21:07:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2022-11-02 21:07:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2022-11-02 21:07:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2022-11-02 21:07:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2022-11-02 21:07:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-02 21:07:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-02 21:07:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2022-11-02 21:07:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2022-11-02 21:07:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2022-11-02 21:07:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2022-11-02 21:07:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2022-11-02 21:07:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2022-11-02 21:07:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2022-11-02 21:07:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2022-11-02 21:07:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 21:07:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 21:07:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 21:07:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 21:07:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2022-11-02 21:07:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2022-11-02 21:07:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-11-02 21:07:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-11-02 21:07:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2022-11-02 21:07:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2022-11-02 21:07:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2022-11-02 21:07:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2022-11-02 21:07:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-11-02 21:07:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-11-02 21:07:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-11-02 21:07:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-11-02 21:07:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 21:07:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 21:07:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-02 21:07:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:07:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:07:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-11-02 21:07:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-11-02 21:07:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2022-11-02 21:07:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2022-11-02 21:07:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:07:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-02 21:07:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-02 21:07:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-02 21:07:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-02 21:07:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 21:07:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 21:07:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:07:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:07:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2022-11-02 21:07:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2022-11-02 21:07:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:07:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:07:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:07:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2022-11-02 21:07:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2022-11-02 21:07:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2022-11-02 21:07:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2022-11-02 21:07:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2022-11-02 21:07:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2022-11-02 21:07:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2022-11-02 21:07:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2022-11-02 21:07:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2022-11-02 21:07:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2022-11-02 21:07:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:07:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-02 21:07:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-02 21:07:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-11-02 21:07:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-11-02 21:07:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:07:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-02 21:07:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-02 21:07:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2022-11-02 21:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2022-11-02 21:07:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:07:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-11-02 21:07:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-11-02 21:07:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-02 21:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-02 21:07:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2022-11-02 21:07:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2022-11-02 21:07:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 21:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 21:07:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2022-11-02 21:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2022-11-02 21:07:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 21:07:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 21:07:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 21:07:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 21:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2022-11-02 21:07:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2022-11-02 21:07:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-11-02 21:07:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-11-02 21:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2022-11-02 21:07:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2022-11-02 21:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2022-11-02 21:07:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2022-11-02 21:07:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-11-02 21:07:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-11-02 21:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-02 21:07:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-02 21:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-02 21:07:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-02 21:07:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2022-11-02 21:07:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2022-11-02 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 21:07:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2022-11-02 21:07:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2022-11-02 21:07:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 21:07:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 21:07:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2022-11-02 21:07:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2022-11-02 21:07:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2022-11-02 21:07:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2022-11-02 21:07:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2022-11-02 21:07:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2022-11-02 21:07:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2022-11-02 21:07:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2022-11-02 21:07:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:07:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2022-11-02 21:07:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2022-11-02 21:07:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2022-11-02 21:07:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2022-11-02 21:07:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:07:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2022-11-02 21:07:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2022-11-02 21:07:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2022-11-02 21:07:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2022-11-02 21:07:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2022-11-02 21:07:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2022-11-02 21:07:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2022-11-02 21:07:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2022-11-02 21:07:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:07:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:07:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2022-11-02 21:07:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2022-11-02 21:07:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:07:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 21:07:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2022-11-02 21:07:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2022-11-02 21:07:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 21:07:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 21:07:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:07:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:07:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2022-11-02 21:07:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2022-11-02 21:07:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2022-11-02 21:07:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2022-11-02 21:07:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2022-11-02 21:07:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2022-11-02 21:07:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2022-11-02 21:07:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2022-11-02 21:07:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 21:07:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 21:07:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 21:07:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 21:07:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2022-11-02 21:07:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2022-11-02 21:07:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:07:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:07:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2022-11-02 21:07:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2022-11-02 21:07:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2022-11-02 21:07:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2022-11-02 21:07:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2022-11-02 21:07:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2022-11-02 21:07:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 21:07:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 21:07:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2022-11-02 21:07:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2022-11-02 21:07:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2022-11-02 21:07:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2022-11-02 21:07:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:07:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:07:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 21:07:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 21:07:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2022-11-02 21:07:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2022-11-02 21:07:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2022-11-02 21:07:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2022-11-02 21:07:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-02 21:07:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-02 21:07:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2022-11-02 21:07:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2022-11-02 21:07:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:07:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:07:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:07:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:07:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2022-11-02 21:07:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2022-11-02 21:07:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2022-11-02 21:07:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2022-11-02 21:07:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:07:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:07:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2022-11-02 21:07:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2022-11-02 21:07:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-02 21:07:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-02 21:07:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2022-11-02 21:07:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2022-11-02 21:07:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 21:07:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 21:07:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 21:07:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 21:07:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:07:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:07:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:07:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:07:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-02 21:07:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-02 21:07:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 21:07:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 21:07:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-02 21:07:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-02 21:07:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-11-02 21:07:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-11-02 21:07:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2022-11-02 21:07:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2022-11-02 21:07:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2022-11-02 21:07:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2022-11-02 21:07:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 21:07:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 21:07:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 21:07:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 21:07:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2022-11-02 21:07:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2022-11-02 21:07:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2022-11-02 21:07:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2022-11-02 21:07:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 21:07:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 21:07:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:07:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:07:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:07:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2022-11-02 21:07:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2022-11-02 21:07:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2022-11-02 21:07:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2022-11-02 21:07:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2022-11-02 21:07:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2022-11-02 21:07:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2022-11-02 21:07:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2022-11-02 21:07:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:07:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2022-11-02 21:07:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2022-11-02 21:07:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-02 21:07:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-02 21:07:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-11-02 21:07:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-11-02 21:07:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-02 21:07:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-02 21:07:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2022-11-02 21:07:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2022-11-02 21:07:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2022-11-02 21:07:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2022-11-02 21:07:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:07:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2022-11-02 21:07:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2022-11-02 21:07:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 21:07:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 21:07:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:07:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:07:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-02 21:07:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-02 21:07:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2022-11-02 21:07:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2022-11-02 21:07:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2022-11-02 21:07:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2022-11-02 21:07:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 21:07:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 21:07:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2022-11-02 21:07:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2022-11-02 21:07:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-11-02 21:07:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-11-02 21:07:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2022-11-02 21:07:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2022-11-02 21:07:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2022-11-02 21:07:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2022-11-02 21:07:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 21:07:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 21:07:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2022-11-02 21:07:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2022-11-02 21:07:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2022-11-02 21:07:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2022-11-02 21:07:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2022-11-02 21:07:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2022-11-02 21:07:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-11-02 21:07:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-11-02 21:07:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2022-11-02 21:07:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2022-11-02 21:07:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:07:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:07:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2022-11-02 21:07:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2022-11-02 21:07:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:07:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2022-11-02 21:07:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2022-11-02 21:07:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-02 21:07:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-02 21:07:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 21:07:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 21:07:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:07:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:07:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-11-02 21:07:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-11-02 21:07:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2022-11-02 21:07:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2022-11-02 21:07:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-02 21:07:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-02 21:07:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 21:07:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 21:07:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2022-11-02 21:07:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2022-11-02 21:07:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2022-11-02 21:07:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2022-11-02 21:07:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 21:07:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 21:07:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 21:07:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 21:07:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2022-11-02 21:07:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2022-11-02 21:07:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2022-11-02 21:07:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2022-11-02 21:07:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2022-11-02 21:07:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2022-11-02 21:07:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 21:07:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 21:07:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2022-11-02 21:07:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2022-11-02 21:07:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2022-11-02 21:07:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2022-11-02 21:07:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-02 21:07:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-02 21:07:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-11-02 21:07:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-11-02 21:07:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2022-11-02 21:07:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2022-11-02 21:07:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 21:07:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 21:07:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-02 21:07:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-02 21:07:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 21:07:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 21:07:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 21:07:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 21:07:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-11-02 21:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-11-02 21:07:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2022-11-02 21:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2022-11-02 21:07:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-11-02 21:07:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-11-02 21:07:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:07:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-02 21:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-02 21:07:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2022-11-02 21:07:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2022-11-02 21:07:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2022-11-02 21:07:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2022-11-02 21:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2022-11-02 21:07:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2022-11-02 21:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2022-11-02 21:07:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2022-11-02 21:07:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2022-11-02 21:07:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2022-11-02 21:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2022-11-02 21:07:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2022-11-02 21:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:07:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:07:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:07:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 21:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 21:07:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 21:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-02 21:07:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-02 21:07:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2022-11-02 21:07:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2022-11-02 21:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 21:07:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 21:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:07:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2022-11-02 21:07:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2022-11-02 21:07:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2022-11-02 21:07:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2022-11-02 21:07:19,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:07:19,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:07:20,147 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:07:42,396 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:07:42,427 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:07:42,427 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:07:42,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:42 BoogieIcfgContainer [2022-11-02 21:07:42,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:07:42,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:07:42,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:07:42,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:07:42,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:07:08" (1/3) ... [2022-11-02 21:07:42,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d626e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:42, skipping insertion in model container [2022-11-02 21:07:42,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:16" (2/3) ... [2022-11-02 21:07:42,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d626e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:42, skipping insertion in model container [2022-11-02 21:07:42,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:42" (3/3) ... [2022-11-02 21:07:42,446 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-11-02 21:07:42,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:07:42,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:07:42,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:07:42,645 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@585571a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:07:42,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:07:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 3381 states, 2333 states have (on average 1.3686240891555936) internal successors, (3193), 2400 states have internal predecessors, (3193), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) [2022-11-02 21:07:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-02 21:07:42,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:42,681 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:07:42,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:42,690 INFO L85 PathProgramCache]: Analyzing trace with hash -221624845, now seen corresponding path program 1 times [2022-11-02 21:07:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:42,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673424611] [2022-11-02 21:07:42,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:44,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:44,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673424611] [2022-11-02 21:07:44,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673424611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:44,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:44,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:07:44,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407563277] [2022-11-02 21:07:44,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:44,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:44,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:44,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:44,376 INFO L87 Difference]: Start difference. First operand has 3381 states, 2333 states have (on average 1.3686240891555936) internal successors, (3193), 2400 states have internal predecessors, (3193), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:44,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:44,844 INFO L93 Difference]: Finished difference Result 6757 states and 9929 transitions. [2022-11-02 21:07:44,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:44,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-02 21:07:44,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:44,909 INFO L225 Difference]: With dead ends: 6757 [2022-11-02 21:07:44,910 INFO L226 Difference]: Without dead ends: 3373 [2022-11-02 21:07:44,945 INFO L412 NwaCegarLoop]: 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 [2022-11-02 21:07:44,950 INFO L413 NwaCegarLoop]: 4856 mSDtfsCounter, 1 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9708 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:44,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9708 Invalid, 6 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2022-11-02 21:07:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2022-11-02 21:07:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 2329 states have (on average 1.3662516101331044) internal successors, (3182), 2390 states have internal predecessors, (3182), 839 states have call successors, (839), 203 states have call predecessors, (839), 202 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2022-11-02 21:07:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4845 transitions. [2022-11-02 21:07:45,272 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4845 transitions. Word has length 27 [2022-11-02 21:07:45,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:45,272 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4845 transitions. [2022-11-02 21:07:45,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:07:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4845 transitions. [2022-11-02 21:07:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-02 21:07:45,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:45,276 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:07:45,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:07:45,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1647899974, now seen corresponding path program 1 times [2022-11-02 21:07:45,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:45,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40300714] [2022-11-02 21:07:45,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:07:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:46,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:46,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40300714] [2022-11-02 21:07:46,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40300714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:46,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:46,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:07:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406052137] [2022-11-02 21:07:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:46,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:07:46,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:46,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:07:46,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:07:46,022 INFO L87 Difference]: Start difference. First operand 3371 states and 4845 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:07:54,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:01,166 INFO L93 Difference]: Finished difference Result 10256 states and 14831 transitions. [2022-11-02 21:08:01,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:01,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-02 21:08:01,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:01,221 INFO L225 Difference]: With dead ends: 10256 [2022-11-02 21:08:01,221 INFO L226 Difference]: Without dead ends: 6891 [2022-11-02 21:08:01,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:08:01,242 INFO L413 NwaCegarLoop]: 7943 mSDtfsCounter, 5335 mSDsluCounter, 7144 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 1673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5921 SdHoareTripleChecker+Valid, 15087 SdHoareTripleChecker+Invalid, 5028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:01,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5921 Valid, 15087 Invalid, 5028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1673 Valid, 3354 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2022-11-02 21:08:01,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2022-11-02 21:08:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6637. [2022-11-02 21:08:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6637 states, 4589 states have (on average 1.3660928306820659) internal successors, (6269), 4696 states have internal predecessors, (6269), 1643 states have call successors, (1643), 405 states have call predecessors, (1643), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-11-02 21:08:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6637 states to 6637 states and 9540 transitions. [2022-11-02 21:08:01,655 INFO L78 Accepts]: Start accepts. Automaton has 6637 states and 9540 transitions. Word has length 29 [2022-11-02 21:08:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:01,656 INFO L495 AbstractCegarLoop]: Abstraction has 6637 states and 9540 transitions. [2022-11-02 21:08:01,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6637 states and 9540 transitions. [2022-11-02 21:08:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-02 21:08:01,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:01,664 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:01,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:08:01,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -8374377, now seen corresponding path program 1 times [2022-11-02 21:08:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:01,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596665256] [2022-11-02 21:08:01,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:02,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:02,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596665256] [2022-11-02 21:08:02,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596665256] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:02,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319304231] [2022-11-02 21:08:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:02,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:02,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:02,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:08:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:04,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 4888 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:04,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:04,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319304231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:04,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:04,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:04,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366505282] [2022-11-02 21:08:04,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:04,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:04,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:04,642 INFO L87 Difference]: Start difference. First operand 6637 states and 9540 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:04,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:04,876 INFO L93 Difference]: Finished difference Result 6639 states and 9541 transitions. [2022-11-02 21:08:04,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-11-02 21:08:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:04,920 INFO L225 Difference]: With dead ends: 6639 [2022-11-02 21:08:04,921 INFO L226 Difference]: Without dead ends: 6636 [2022-11-02 21:08:04,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:04,933 INFO L413 NwaCegarLoop]: 4841 mSDtfsCounter, 4812 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4812 SdHoareTripleChecker+Valid, 4841 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 [2022-11-02 21:08:04,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4812 Valid, 4841 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6636 states. [2022-11-02 21:08:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6636 to 6636. [2022-11-02 21:08:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6636 states, 4589 states have (on average 1.3658749182828502) internal successors, (6268), 4695 states have internal predecessors, (6268), 1642 states have call successors, (1642), 405 states have call predecessors, (1642), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-11-02 21:08:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 9538 transitions. [2022-11-02 21:08:05,379 INFO L78 Accepts]: Start accepts. Automaton has 6636 states and 9538 transitions. Word has length 33 [2022-11-02 21:08:05,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:05,379 INFO L495 AbstractCegarLoop]: Abstraction has 6636 states and 9538 transitions. [2022-11-02 21:08:05,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6636 states and 9538 transitions. [2022-11-02 21:08:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 21:08:05,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:05,381 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:05,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:05,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:05,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:05,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash -260968426, now seen corresponding path program 1 times [2022-11-02 21:08:05,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:05,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364831209] [2022-11-02 21:08:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:06,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:06,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364831209] [2022-11-02 21:08:06,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364831209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:06,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515205279] [2022-11-02 21:08:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:06,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:06,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:06,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:06,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:08:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:08,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 4890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:08,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:08,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:08,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515205279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:08,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:08,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:08,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465999949] [2022-11-02 21:08:08,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:08,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:08,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:08,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:08,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:08,415 INFO L87 Difference]: Start difference. First operand 6636 states and 9538 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:08,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:08,860 INFO L93 Difference]: Finished difference Result 6638 states and 9539 transitions. [2022-11-02 21:08:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:08,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-02 21:08:08,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:08,919 INFO L225 Difference]: With dead ends: 6638 [2022-11-02 21:08:08,919 INFO L226 Difference]: Without dead ends: 6635 [2022-11-02 21:08:08,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:08,928 INFO L413 NwaCegarLoop]: 4839 mSDtfsCounter, 4809 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4809 SdHoareTripleChecker+Valid, 4839 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 [2022-11-02 21:08:08,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4809 Valid, 4839 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2022-11-02 21:08:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 6635. [2022-11-02 21:08:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6635 states, 4589 states have (on average 1.3656570058836348) internal successors, (6267), 4694 states have internal predecessors, (6267), 1641 states have call successors, (1641), 405 states have call predecessors, (1641), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-11-02 21:08:09,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 9536 transitions. [2022-11-02 21:08:09,407 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 9536 transitions. Word has length 34 [2022-11-02 21:08:09,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:09,409 INFO L495 AbstractCegarLoop]: Abstraction has 6635 states and 9536 transitions. [2022-11-02 21:08:09,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 9536 transitions. [2022-11-02 21:08:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-02 21:08:09,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:09,415 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:09,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:09,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:09,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:09,636 INFO L85 PathProgramCache]: Analyzing trace with hash 498555514, now seen corresponding path program 1 times [2022-11-02 21:08:09,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:09,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494302487] [2022-11-02 21:08:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:10,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:10,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494302487] [2022-11-02 21:08:10,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494302487] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:10,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878933573] [2022-11-02 21:08:10,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:10,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:10,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:10,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:10,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:08:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:12,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 4892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:12,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:12,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878933573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:12,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:12,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:12,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666824126] [2022-11-02 21:08:12,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:12,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:12,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:12,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:12,250 INFO L87 Difference]: Start difference. First operand 6635 states and 9536 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:12,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:12,701 INFO L93 Difference]: Finished difference Result 10444 states and 14724 transitions. [2022-11-02 21:08:12,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:12,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-02 21:08:12,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:12,791 INFO L225 Difference]: With dead ends: 10444 [2022-11-02 21:08:12,792 INFO L226 Difference]: Without dead ends: 10440 [2022-11-02 21:08:12,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:12,801 INFO L413 NwaCegarLoop]: 5316 mSDtfsCounter, 4728 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4728 SdHoareTripleChecker+Valid, 8035 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:12,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4728 Valid, 8035 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:12,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2022-11-02 21:08:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 10432. [2022-11-02 21:08:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10432 states, 7162 states have (on average 1.349064507120916) internal successors, (9662), 7337 states have internal predecessors, (9662), 2530 states have call successors, (2530), 740 states have call predecessors, (2530), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-11-02 21:08:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10432 states to 10432 states and 14711 transitions. [2022-11-02 21:08:13,506 INFO L78 Accepts]: Start accepts. Automaton has 10432 states and 14711 transitions. Word has length 35 [2022-11-02 21:08:13,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:13,509 INFO L495 AbstractCegarLoop]: Abstraction has 10432 states and 14711 transitions. [2022-11-02 21:08:13,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 10432 states and 14711 transitions. [2022-11-02 21:08:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 21:08:13,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:13,511 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:13,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-02 21:08:13,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:13,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:13,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:13,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1726001255, now seen corresponding path program 1 times [2022-11-02 21:08:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783245469] [2022-11-02 21:08:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:13,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:14,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:14,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783245469] [2022-11-02 21:08:14,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783245469] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:14,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829474465] [2022-11-02 21:08:14,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:14,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:14,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:14,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:14,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 21:08:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:16,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:16,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:16,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:16,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829474465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:16,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:16,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:16,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768723919] [2022-11-02 21:08:16,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:16,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:16,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:16,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:16,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:16,261 INFO L87 Difference]: Start difference. First operand 10432 states and 14711 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:16,712 INFO L93 Difference]: Finished difference Result 10434 states and 14712 transitions. [2022-11-02 21:08:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:16,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-11-02 21:08:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:16,772 INFO L225 Difference]: With dead ends: 10434 [2022-11-02 21:08:16,772 INFO L226 Difference]: Without dead ends: 10431 [2022-11-02 21:08:16,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:16,783 INFO L413 NwaCegarLoop]: 4833 mSDtfsCounter, 4801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4801 SdHoareTripleChecker+Valid, 4833 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 [2022-11-02 21:08:16,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4801 Valid, 4833 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:16,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2022-11-02 21:08:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 10431. [2022-11-02 21:08:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10431 states, 7162 states have (on average 1.3489248813180676) internal successors, (9661), 7336 states have internal predecessors, (9661), 2529 states have call successors, (2529), 740 states have call predecessors, (2529), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-11-02 21:08:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10431 states to 10431 states and 14709 transitions. [2022-11-02 21:08:17,652 INFO L78 Accepts]: Start accepts. Automaton has 10431 states and 14709 transitions. Word has length 36 [2022-11-02 21:08:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:17,652 INFO L495 AbstractCegarLoop]: Abstraction has 10431 states and 14709 transitions. [2022-11-02 21:08:17,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 10431 states and 14709 transitions. [2022-11-02 21:08:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-02 21:08:17,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:17,655 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:17,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-02 21:08:17,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:17,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1967779491, now seen corresponding path program 1 times [2022-11-02 21:08:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:17,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624615178] [2022-11-02 21:08:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:17,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:18,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:18,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624615178] [2022-11-02 21:08:18,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624615178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:18,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242087950] [2022-11-02 21:08:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:18,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 21:08:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:20,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:20,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:20,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242087950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:20,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:20,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:20,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798194422] [2022-11-02 21:08:20,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:20,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:20,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:20,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:20,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:20,681 INFO L87 Difference]: Start difference. First operand 10431 states and 14709 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:21,649 INFO L93 Difference]: Finished difference Result 27282 states and 38819 transitions. [2022-11-02 21:08:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:21,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-11-02 21:08:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:21,757 INFO L225 Difference]: With dead ends: 27282 [2022-11-02 21:08:21,758 INFO L226 Difference]: Without dead ends: 16857 [2022-11-02 21:08:21,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:21,821 INFO L413 NwaCegarLoop]: 5600 mSDtfsCounter, 4094 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 8615 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:21,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 8615 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:21,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16857 states. [2022-11-02 21:08:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16857 to 16814. [2022-11-02 21:08:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16814 states, 11541 states have (on average 1.3417381509401265) internal successors, (15485), 11825 states have internal predecessors, (15485), 3966 states have call successors, (3966), 1300 states have call predecessors, (3966), 1306 states have return successors, (4152), 3925 states have call predecessors, (4152), 3952 states have call successors, (4152) [2022-11-02 21:08:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16814 states to 16814 states and 23603 transitions. [2022-11-02 21:08:23,056 INFO L78 Accepts]: Start accepts. Automaton has 16814 states and 23603 transitions. Word has length 37 [2022-11-02 21:08:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:23,056 INFO L495 AbstractCegarLoop]: Abstraction has 16814 states and 23603 transitions. [2022-11-02 21:08:23,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 16814 states and 23603 transitions. [2022-11-02 21:08:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 21:08:23,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:23,060 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:23,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:23,283 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash -872965348, now seen corresponding path program 1 times [2022-11-02 21:08:23,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:23,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885498085] [2022-11-02 21:08:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:24,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885498085] [2022-11-02 21:08:24,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885498085] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:24,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390190916] [2022-11-02 21:08:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:24,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:24,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:24,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:24,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 21:08:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:25,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 4898 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:25,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:26,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:26,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390190916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:26,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:26,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:26,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151208228] [2022-11-02 21:08:26,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:26,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:26,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:26,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:26,087 INFO L87 Difference]: Start difference. First operand 16814 states and 23603 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:27,888 INFO L93 Difference]: Finished difference Result 50386 states and 72507 transitions. [2022-11-02 21:08:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:27,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-11-02 21:08:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:28,092 INFO L225 Difference]: With dead ends: 50386 [2022-11-02 21:08:28,093 INFO L226 Difference]: Without dead ends: 33578 [2022-11-02 21:08:28,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:28,417 INFO L413 NwaCegarLoop]: 5929 mSDtfsCounter, 4869 mSDsluCounter, 4896 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 10825 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:28,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 10825 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33578 states. [2022-11-02 21:08:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33578 to 33539. [2022-11-02 21:08:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33539 states, 23027 states have (on average 1.3420766925782777) internal successors, (30904), 23588 states have internal predecessors, (30904), 7907 states have call successors, (7907), 2595 states have call predecessors, (7907), 2604 states have return successors, (9180), 7829 states have call predecessors, (9180), 7892 states have call successors, (9180) [2022-11-02 21:08:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33539 states to 33539 states and 47991 transitions. [2022-11-02 21:08:30,439 INFO L78 Accepts]: Start accepts. Automaton has 33539 states and 47991 transitions. Word has length 38 [2022-11-02 21:08:30,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:30,439 INFO L495 AbstractCegarLoop]: Abstraction has 33539 states and 47991 transitions. [2022-11-02 21:08:30,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 33539 states and 47991 transitions. [2022-11-02 21:08:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-02 21:08:30,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:30,442 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:30,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-02 21:08:30,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-02 21:08:30,667 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:30,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:30,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1293460416, now seen corresponding path program 1 times [2022-11-02 21:08:30,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:30,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65212184] [2022-11-02 21:08:30,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:08:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:31,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:31,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65212184] [2022-11-02 21:08:31,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65212184] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:08:31,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738714507] [2022-11-02 21:08:31,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:31,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:31,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:31,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:08:31,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 21:08:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:33,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:08:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:08:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:08:33,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:08:33,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738714507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:33,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:08:33,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-02 21:08:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024915082] [2022-11-02 21:08:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:33,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:33,276 INFO L87 Difference]: Start difference. First operand 33539 states and 47991 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:34,703 INFO L93 Difference]: Finished difference Result 33667 states and 48081 transitions. [2022-11-02 21:08:34,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:34,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-11-02 21:08:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:34,906 INFO L225 Difference]: With dead ends: 33667 [2022-11-02 21:08:34,907 INFO L226 Difference]: Without dead ends: 33635 [2022-11-02 21:08:34,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:34,931 INFO L413 NwaCegarLoop]: 4827 mSDtfsCounter, 4742 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 4881 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:34,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 4881 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:08:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33635 states. [2022-11-02 21:08:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33635 to 33633. [2022-11-02 21:08:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33633 states, 23093 states have (on average 1.3401463646992595) internal successors, (30948), 23653 states have internal predecessors, (30948), 7900 states have call successors, (7900), 2630 states have call predecessors, (7900), 2639 states have return successors, (9174), 7823 states have call predecessors, (9174), 7886 states have call successors, (9174) [2022-11-02 21:08:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33633 states to 33633 states and 48022 transitions. [2022-11-02 21:08:37,774 INFO L78 Accepts]: Start accepts. Automaton has 33633 states and 48022 transitions. Word has length 39 [2022-11-02 21:08:37,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:37,774 INFO L495 AbstractCegarLoop]: Abstraction has 33633 states and 48022 transitions. [2022-11-02 21:08:37,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:08:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 33633 states and 48022 transitions. [2022-11-02 21:08:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 21:08:37,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:37,778 INFO L195 NwaCegarLoop]: 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] [2022-11-02 21:08:37,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:08:38,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3b692-bcb5-430b-8ca8-e6a8b9d9e638/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:08:38,003 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:08:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1815788574, now seen corresponding path program 1 times [2022-11-02 21:08:38,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:38,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696047371] [2022-11-02 21:08:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:38,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:08:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:08:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:08:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:08:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 21:08:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:08:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:38,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:38,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696047371] [2022-11-02 21:08:38,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696047371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:38,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:38,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:08:38,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469604914] [2022-11-02 21:08:38,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:38,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:38,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:38,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:38,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:38,508 INFO L87 Difference]: Start difference. First operand 33633 states and 48022 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 21:08:44,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:56,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:08,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:10,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:17,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:20,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:27,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:27,951 INFO L93 Difference]: Finished difference Result 113655 states and 166762 transitions. [2022-11-02 21:09:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:09:27,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2022-11-02 21:09:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:28,488 INFO L225 Difference]: With dead ends: 113655 [2022-11-02 21:09:28,488 INFO L226 Difference]: Without dead ends: 80028 [2022-11-02 21:09:28,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:09:28,835 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 11880 mSDsluCounter, 5943 mSDsCounter, 0 mSdLazyCounter, 11390 mSolverCounterSat, 7555 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12619 SdHoareTripleChecker+Valid, 10630 SdHoareTripleChecker+Invalid, 18949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7555 IncrementalHoareTripleChecker+Valid, 11390 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:28,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12619 Valid, 10630 Invalid, 18949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7555 Valid, 11390 Invalid, 4 Unknown, 0 Unchecked, 44.4s Time] [2022-11-02 21:09:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80028 states. [2022-11-02 21:09:33,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80028 to 72706. [2022-11-02 21:09:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72706 states, 49864 states have (on average 1.3357933579335792) internal successors, (66608), 50940 states have internal predecessors, (66608), 17123 states have call successors, (17123), 5257 states have call predecessors, (17123), 5718 states have return successors, (21132), 17520 states have call predecessors, (21132), 17108 states have call successors, (21132) [2022-11-02 21:09:33,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72706 states to 72706 states and 104863 transitions. [2022-11-02 21:09:33,907 INFO L78 Accepts]: Start accepts. Automaton has 72706 states and 104863 transitions. Word has length 70 [2022-11-02 21:09:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:33,911 INFO L495 AbstractCegarLoop]: Abstraction has 72706 states and 104863 transitions. [2022-11-02 21:09:33,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 21:09:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 72706 states and 104863 transitions. [2022-11-02 21:09:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-02 21:09:33,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:33,918 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:33,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:09:33,919 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:33,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1788720308, now seen corresponding path program 1 times [2022-11-02 21:09:33,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:33,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159519546] [2022-11-02 21:09:33,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:33,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 21:09:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:09:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:09:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:09:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:09:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:09:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 21:09:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:09:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:09:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:09:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 21:09:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-02 21:09:34,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:34,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159519546] [2022-11-02 21:09:34,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159519546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:34,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:34,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:09:34,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806419358] [2022-11-02 21:09:34,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:34,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:09:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:34,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:09:34,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:09:34,689 INFO L87 Difference]: Start difference. First operand 72706 states and 104863 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 21:09:42,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:47,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:14,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:16,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:18,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:21,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []