./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 822efd74523ca67f2cb6909297413bbc9242d4c7d8601ba351322ba0e89e8246 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:49:02,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:49:02,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-13 23:49:02,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:49:02,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:49:02,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:49:02,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:49:02,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:49:02,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:49:02,358 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:49:02,358 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:49:02,359 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:49:02,359 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:49:02,359 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:49:02,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:49:02,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:49:02,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:49:02,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:49:02,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:02,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:49:02,361 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:49:02,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:49:02,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:49:02,362 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:49:02,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:49:02,362 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Taipan 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 -> 822efd74523ca67f2cb6909297413bbc9242d4c7d8601ba351322ba0e89e8246 [2024-11-13 23:49:02,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:49:02,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:49:02,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:49:02,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:49:02,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:49:02,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i Unable to find full path for "g++" [2024-11-13 23:49:04,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:49:05,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:49:05,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i [2024-11-13 23:49:05,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/158bf057e/9e370de5c8b94cda838d4b612329a660/FLAG7c2f51f93 [2024-11-13 23:49:05,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/158bf057e/9e370de5c8b94cda838d4b612329a660 [2024-11-13 23:49:05,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:49:05,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:49:05,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:05,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:49:05,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:49:05,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:05" (1/1) ... [2024-11-13 23:49:05,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2071da86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:05, skipping insertion in model container [2024-11-13 23:49:05,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:05" (1/1) ... [2024-11-13 23:49:05,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:49:05,584 WARN L250 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_35885ef5-8eef-4689-83df-ec987faca90f/sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i[10815,10828] [2024-11-13 23:49:05,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: Location is null at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:80) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.commonDoTranslationExceptionHandling(MainTranslator.java:320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:49:05,950 INFO L158 Benchmark]: Toolchain (without parser) took 808.00ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 74.2MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:49:05,951 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:49:05,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.99ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 74.2MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:49:05,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.99ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 74.2MB in the end (delta: 39.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: Location is null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: Location is null: de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 822efd74523ca67f2cb6909297413bbc9242d4c7d8601ba351322ba0e89e8246 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:49:08,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:49:08,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-13 23:49:08,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:49:08,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:49:08,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:49:08,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:49:08,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:49:08,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:49:08,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:49:08,528 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:49:08,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:49:08,528 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:49:08,528 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:49:08,529 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:49:08,530 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:49:08,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:49:08,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:49:08,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:49:08,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:49:08,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:49:08,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:08,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:49:08,534 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:49:08,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Taipan 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 -> 822efd74523ca67f2cb6909297413bbc9242d4c7d8601ba351322ba0e89e8246 [2024-11-13 23:49:08,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:49:08,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:49:08,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:49:08,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:49:08,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:49:08,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i Unable to find full path for "g++" [2024-11-13 23:49:10,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:49:11,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:49:11,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i [2024-11-13 23:49:11,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/e0ccfd8ea/21eaf37c9f164c11919b2bec27f6f0d4/FLAG9a941093c [2024-11-13 23:49:11,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/data/e0ccfd8ea/21eaf37c9f164c11919b2bec27f6f0d4 [2024-11-13 23:49:11,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:49:11,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:49:11,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:11,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:49:11,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:49:11,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:11" (1/1) ... [2024-11-13 23:49:11,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7370cf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:11, skipping insertion in model container [2024-11-13 23:49:11,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:49:11" (1/1) ... [2024-11-13 23:49:11,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:49:11,917 WARN L250 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_35885ef5-8eef-4689-83df-ec987faca90f/sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i[10815,10828] [2024-11-13 23:49:12,263 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:49:12,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:13,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:49:13,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push) [41] [2024-11-13 23:49:13,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [42] [2024-11-13 23:49:13,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [242] [2024-11-13 23:49:13,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push, 1) [1025] [2024-11-13 23:49:13,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1225] [2024-11-13 23:49:13,655 WARN L250 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_35885ef5-8eef-4689-83df-ec987faca90f/sv-benchmarks/c/intel-tdx-module/tdh_phymem_page_reclaim__cover__success_havoc_object.i[10815,10828] [2024-11-13 23:49:14,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:49:14,447 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:49:14,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14 WrapperNode [2024-11-13 23:49:14,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:49:14,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:14,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:49:14,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:49:14,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:14,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,184 INFO L138 Inliner]: procedures = 226, calls = 8650, calls flagged for inlining = 142, calls inlined = 142, statements flattened = 11236 [2024-11-13 23:49:15,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:49:15,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:49:15,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:49:15,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:49:15,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:15,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:16,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:49:16,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:49:16,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:49:16,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:49:16,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (1/1) ... [2024-11-13 23:49:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:49:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:49:16,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:49:16,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:49:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_find_entry [2024-11-13 23:49:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_find_entry [2024-11-13 23:49:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 23:49:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_hkid_to_pa [2024-11-13 23:49:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_hkid_to_pa [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_td_param_attributes_s [2024-11-13 23:49:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_td_param_attributes_s [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_td_vmcs_values_t [2024-11-13 23:49:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_td_vmcs_values_t [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint16t [2024-11-13 23:49:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint16t [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ia32_vmx_basic_t [2024-11-13 23:49:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_ia32_vmx_basic_t [2024-11-13 23:49:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure free_la [2024-11-13 23:49:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure free_la [2024-11-13 23:49:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure init_data_fast_ref_ptrs [2024-11-13 23:49:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure init_data_fast_ref_ptrs [2024-11-13 23:49:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure acquire_sharex_lock_hp [2024-11-13 23:49:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure acquire_sharex_lock_hp [2024-11-13 23:49:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure api_error_with_operand_id [2024-11-13 23:49:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure api_error_with_operand_id [2024-11-13 23:49:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ia32_cr0_t [2024-11-13 23:49:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_ia32_cr0_t [2024-11-13 23:49:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ia32_invalidate_tlb_entries [2024-11-13 23:49:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ia32_invalidate_tlb_entries [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_array_1D_unsigned_long_long [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_array_1D_unsigned_long_long [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_cmpxchg_16b [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_cmpxchg_16b [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_or_16b [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_or_16b [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_measurement_u [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_measurement_u [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint128_t [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_uint128_t [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_local_data [2024-11-13 23:49:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_local_data [2024-11-13 23:49:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_ia32_vmx_misc_u [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_ia32_vmx_misc_u [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure tdx_arch_fatal_error [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tdx_arch_fatal_error [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_struct_vmcs_fields_info_s [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_struct_vmcs_fields_info_s [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_array_1D_unsigned_char [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_array_1D_unsigned_char [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sharex_lock_t [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_sharex_lock_t [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure fill_keyhole_pte [2024-11-13 23:49:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_keyhole_pte [2024-11-13 23:49:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_array_1D_unsigned_int [2024-11-13 23:49:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_array_1D_unsigned_int [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure la_from_keyhole_idx [2024-11-13 23:49:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure la_from_keyhole_idx [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ia32_cr4_t [2024-11-13 23:49:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_ia32_cr4_t [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_gprs_state_u [2024-11-13 23:49:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_gprs_state_u [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_global_data [2024-11-13 23:49:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_global_data [2024-11-13 23:49:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure release_sharex_lock_hp [2024-11-13 23:49:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sharex_lock_hp [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_pa_u [2024-11-13 23:49:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_pa_u [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_ABST_incomplete [2024-11-13 23:49:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_ABST_incomplete [2024-11-13 23:49:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_config_flags_s [2024-11-13 23:49:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_config_flags_s [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sharex_hp_lock_t [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_sharex_hp_lock_t [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure is_addr_aligned_pwr_of_2 [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure is_addr_aligned_pwr_of_2 [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure release_sharex_lock_hp_sh [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sharex_lock_hp_sh [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ia32_vmx_allowed_bits_t [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_ia32_vmx_allowed_bits_t [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_void_ptr [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_void_ptr [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_bool [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_bool [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure map_pa_with_global_hkid [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure map_pa_with_global_hkid [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint256_t [2024-11-13 23:49:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_uint256_t [2024-11-13 23:49:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure hash_pa [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_pa [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure lfence [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lfence [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_xadd_16b [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_xadd_16b [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure promote_sharex_lock_hp [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure promote_sharex_lock_hp [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure get_sysinfo_table [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sysinfo_table [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint64t [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint64t [2024-11-13 23:49:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure pamt_get_block [2024-11-13 23:49:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pamt_get_block [2024-11-13 23:49:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure tdx_report_error_and_halt [2024-11-13 23:49:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tdx_report_error_and_halt [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_and_16b [2024-11-13 23:49:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_and_16b [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_union_bepoch_u [2024-11-13 23:49:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_union_bepoch_u [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure lru_cache_remove_entry [2024-11-13 23:49:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lru_cache_remove_entry [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_struct_pamt_block_s [2024-11-13 23:49:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_struct_pamt_block_s [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-13 23:49:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-13 23:49:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:49:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:49:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_array_1D_uint128_t [2024-11-13 23:49:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_nondet_array_1D_uint128_t [2024-11-13 23:49:17,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:49:17,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:51:26,534 INFO L? ?]: Removed 1402 outVars from TransFormulas that were not future-live. [2024-11-13 23:51:26,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:51:26,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:51:26,637 INFO L316 CfgBuilder]: Removed 33 assume(true) statements. [2024-11-13 23:51:26,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:51:26 BoogieIcfgContainer [2024-11-13 23:51:26,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:51:26,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:51:26,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:51:26,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:51:26,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:49:11" (1/3) ... [2024-11-13 23:51:26,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b7d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:51:26, skipping insertion in model container [2024-11-13 23:51:26,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:49:14" (2/3) ... [2024-11-13 23:51:26,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b7d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:51:26, skipping insertion in model container [2024-11-13 23:51:26,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:51:26" (3/3) ... [2024-11-13 23:51:26,674 INFO L112 eAbstractionObserver]: Analyzing ICFG tdh_phymem_page_reclaim__cover__success_havoc_object.i [2024-11-13 23:51:26,709 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:51:26,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG tdh_phymem_page_reclaim__cover__success_havoc_object.i that has 57 procedures, 1219 locations, 1 initial locations, 30 loop locations, and 1 error locations. [2024-11-13 23:51:26,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:51:26,937 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2fe88111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:51:26,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:51:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 1219 states, 751 states have (on average 1.2769640479360853) internal successors, (959), 776 states have internal predecessors, (959), 413 states have call successors, (413), 56 states have call predecessors, (413), 56 states have return successors, (413), 409 states have call predecessors, (413), 413 states have call successors, (413) [2024-11-13 23:51:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2024-11-13 23:51:27,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:51:27,186 INFO L215 NwaCegarLoop]: trace histogram [75, 75, 75, 75, 53, 53, 30, 30, 30, 30, 17, 17, 17, 17, 17, 14, 14, 10, 10, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:51:27,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:51:27,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:51:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash 872461679, now seen corresponding path program 1 times [2024-11-13 23:51:27,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:51:27,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628673592] [2024-11-13 23:51:27,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:51:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:51:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:51:27,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:51:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 23:51:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:51:52,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 17846 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:51:52,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:51:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 22058 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 21755 trivial. 0 not checked. [2024-11-13 23:51:52,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:51:52,781 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:51:52,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628673592] [2024-11-13 23:51:52,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628673592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:51:52,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:51:52,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:51:52,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599008348] [2024-11-13 23:51:52,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:51:52,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:51:52,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:51:52,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:51:52,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:51:52,855 INFO L87 Difference]: Start difference. First operand has 1219 states, 751 states have (on average 1.2769640479360853) internal successors, (959), 776 states have internal predecessors, (959), 413 states have call successors, (413), 56 states have call predecessors, (413), 56 states have return successors, (413), 409 states have call predecessors, (413), 413 states have call successors, (413) Second operand has 2 states, 2 states have (on average 212.5) internal successors, (425), 2 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-13 23:51:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:51:53,094 INFO L93 Difference]: Finished difference Result 2429 states and 3751 transitions. [2024-11-13 23:51:53,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:51:53,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 212.5) internal successors, (425), 2 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) Word has length 1784 [2024-11-13 23:51:53,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:51:53,124 INFO L225 Difference]: With dead ends: 2429 [2024-11-13 23:51:53,125 INFO L226 Difference]: Without dead ends: 1185 [2024-11-13 23:51:53,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1783 GetRequests, 1783 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:51:53,153 INFO L432 NwaCegarLoop]: 1726 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:51:53,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:51:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-13 23:51:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2024-11-13 23:51:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 737 states have (on average 1.2130257801899593) internal successors, (894), 746 states have internal predecessors, (894), 393 states have call successors, (393), 54 states have call predecessors, (393), 54 states have return successors, (393), 391 states have call predecessors, (393), 393 states have call successors, (393) [2024-11-13 23:51:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1680 transitions. [2024-11-13 23:51:53,356 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1680 transitions. Word has length 1784 [2024-11-13 23:51:53,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:51:53,358 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1680 transitions. [2024-11-13 23:51:53,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 212.5) internal successors, (425), 2 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-13 23:51:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1680 transitions. [2024-11-13 23:51:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2024-11-13 23:51:53,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:51:53,454 INFO L215 NwaCegarLoop]: trace histogram [75, 75, 75, 75, 53, 53, 30, 30, 30, 30, 17, 17, 17, 17, 17, 14, 14, 10, 10, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:51:53,654 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2024-11-13 23:51:53,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2024-11-13 23:51:53,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:51:53,683 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:51:53,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:51:53,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1806984015, now seen corresponding path program 1 times [2024-11-13 23:51:53,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:51:53,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572871356] [2024-11-13 23:51:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:51:53,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:51:53,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:51:53,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:51:53,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 23:52:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:52:18,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 17846 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:52:18,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:52:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22058 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 21903 trivial. 0 not checked. [2024-11-13 23:52:19,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:52:19,496 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:52:19,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572871356] [2024-11-13 23:52:19,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572871356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:52:19,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:52:19,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:52:19,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593577579] [2024-11-13 23:52:19,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:52:19,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:52:19,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:52:19,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:52:19,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:52:19,504 INFO L87 Difference]: Start difference. First operand 1185 states and 1680 transitions. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 1 states have call predecessors, (275), 2 states have call successors, (275) [2024-11-13 23:52:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:52:21,584 INFO L93 Difference]: Finished difference Result 2371 states and 3394 transitions. [2024-11-13 23:52:21,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:52:21,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 1 states have call predecessors, (275), 2 states have call successors, (275) Word has length 1784 [2024-11-13 23:52:21,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:52:21,597 INFO L225 Difference]: With dead ends: 2371 [2024-11-13 23:52:21,597 INFO L226 Difference]: Without dead ends: 1186 [2024-11-13 23:52:21,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1783 GetRequests, 1781 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:52:21,604 INFO L432 NwaCegarLoop]: 1678 mSDtfsCounter, 0 mSDsluCounter, 3300 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4978 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:52:21,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4978 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 23:52:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-13 23:52:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2024-11-13 23:52:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 738 states have (on average 1.2127371273712737) internal successors, (895), 747 states have internal predecessors, (895), 393 states have call successors, (393), 54 states have call predecessors, (393), 54 states have return successors, (393), 391 states have call predecessors, (393), 393 states have call successors, (393) [2024-11-13 23:52:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1681 transitions. [2024-11-13 23:52:21,717 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1681 transitions. Word has length 1784 [2024-11-13 23:52:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:52:21,719 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1681 transitions. [2024-11-13 23:52:21,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 1 states have call predecessors, (275), 2 states have call successors, (275) [2024-11-13 23:52:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1681 transitions. [2024-11-13 23:52:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1815 [2024-11-13 23:52:21,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:52:21,752 INFO L215 NwaCegarLoop]: trace histogram [75, 75, 75, 75, 53, 53, 30, 30, 30, 30, 30, 17, 17, 17, 17, 17, 14, 14, 10, 10, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:52:21,956 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forcibly destroying the process [2024-11-13 23:52:22,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2024-11-13 23:52:22,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:52:22,007 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:52:22,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:52:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1464948785, now seen corresponding path program 1 times [2024-11-13 23:52:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:52:22,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298759519] [2024-11-13 23:52:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:52:22,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:52:22,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:52:22,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:52:22,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 23:52:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:52:47,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 18266 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:52:47,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:52:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 242 proven. 1 refuted. 0 times theorem prover too weak. 23150 trivial. 0 not checked. [2024-11-13 23:52:48,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:53:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 23179 trivial. 0 not checked. [2024-11-13 23:53:27,905 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:53:27,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298759519] [2024-11-13 23:53:27,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298759519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:53:27,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [626548] [2024-11-13 23:53:27,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:53:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:53:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:53:27,924 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:53:27,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:53:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:53:46,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 18266 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:53:46,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:53:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 23066 trivial. 0 not checked. [2024-11-13 23:53:47,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:53:47,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [626548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:53:47,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:53:47,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2024-11-13 23:53:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937177072] [2024-11-13 23:53:47,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:53:47,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:53:47,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:53:47,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:53:47,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-13 23:53:47,886 INFO L87 Difference]: Start difference. First operand 1186 states and 1681 transitions. Second operand has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-13 23:53:50,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:53:52,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:53:54,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:53:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:53:54,990 INFO L93 Difference]: Finished difference Result 1702 states and 2391 transitions. [2024-11-13 23:53:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:53:54,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) Word has length 1814 [2024-11-13 23:53:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:53:55,047 INFO L225 Difference]: With dead ends: 1702 [2024-11-13 23:53:55,047 INFO L226 Difference]: Without dead ends: 1191 [2024-11-13 23:53:55,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5439 GetRequests, 5430 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-13 23:53:55,053 INFO L432 NwaCegarLoop]: 1675 mSDtfsCounter, 1 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:53:55,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6686 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2024-11-13 23:53:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-13 23:53:55,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1190. [2024-11-13 23:53:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 742 states have (on average 1.2115902964959568) internal successors, (899), 751 states have internal predecessors, (899), 393 states have call successors, (393), 54 states have call predecessors, (393), 54 states have return successors, (393), 391 states have call predecessors, (393), 393 states have call successors, (393) [2024-11-13 23:53:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1685 transitions. [2024-11-13 23:53:55,138 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1685 transitions. Word has length 1814 [2024-11-13 23:53:55,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:53:55,144 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1685 transitions. [2024-11-13 23:53:55,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 2 states have call successors, (277), 2 states have call predecessors, (277), 2 states have return successors, (277), 2 states have call predecessors, (277), 2 states have call successors, (277) [2024-11-13 23:53:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1685 transitions. [2024-11-13 23:53:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1815 [2024-11-13 23:53:55,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:53:55,174 INFO L215 NwaCegarLoop]: trace histogram [75, 75, 75, 75, 53, 53, 30, 30, 30, 30, 30, 17, 17, 17, 17, 17, 14, 14, 10, 10, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:53:55,377 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2024-11-13 23:53:55,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2024-11-13 23:53:55,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:53:55,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-13 23:53:55,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:53:55,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:53:55,686 INFO L85 PathProgramCache]: Analyzing trace with hash -262196177, now seen corresponding path program 1 times [2024-11-13 23:53:55,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:53:55,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748515531] [2024-11-13 23:53:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:53:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:53:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:53:55,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:53:55,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 23:54:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:54:20,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 18264 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:54:20,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:54:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 242 proven. 1 refuted. 0 times theorem prover too weak. 23150 trivial. 0 not checked. [2024-11-13 23:54:21,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:55:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 23179 trivial. 0 not checked. [2024-11-13 23:55:01,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:55:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748515531] [2024-11-13 23:55:01,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748515531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:55:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1805900038] [2024-11-13 23:55:01,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:55:01,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:55:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:55:01,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:55:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:56:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:56:22,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 18264 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:56:22,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:56:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 242 proven. 1 refuted. 0 times theorem prover too weak. 23150 trivial. 0 not checked. [2024-11-13 23:56:22,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:56:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23393 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 23179 trivial. 0 not checked. [2024-11-13 23:56:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1805900038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:56:59,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718735266] [2024-11-13 23:56:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:56:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:56:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:56:59,245 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:56:59,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35885ef5-8eef-4689-83df-ec987faca90f/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process