./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 32bit --witnessprinter.graph.data.programhash f4f73fc7a005b70de80f5801be61e488756d4a65fc8b992d95a2a2d9bf499501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:12:15,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:12:15,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:12:15,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:12:15,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:12:15,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:12:15,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:12:15,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:12:15,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:12:15,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:12:15,722 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:12:15,722 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:12:15,722 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:12:15,723 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:12:15,723 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:12:15,723 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:12:15,723 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:12:15,724 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:12:15,724 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:12:15,724 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:12:15,724 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:12:15,724 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:12:15,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:12:15,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:12:15,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:12:15,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:12:15,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:12:15,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:12:15,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:12:15,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:12:15,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:12:15,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:12:15,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:12:15,729 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:12:15,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:12:15,729 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_38e8ed45-44af-4c03-a256-f540dc3015c8/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4f73fc7a005b70de80f5801be61e488756d4a65fc8b992d95a2a2d9bf499501 [2024-11-14 03:12:16,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:12:16,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:12:16,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:12:16,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:12:16,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:12:16,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 03:12:17,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:12:18,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:12:18,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i [2024-11-14 03:12:18,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/c73ee9943/248682e217e540b6beb7d4adc7482c7a/FLAG80e84a5d3 [2024-11-14 03:12:18,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/c73ee9943/248682e217e540b6beb7d4adc7482c7a [2024-11-14 03:12:18,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:12:18,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:12:18,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:12:18,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:12:18,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:12:18,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:12:18" (1/1) ... [2024-11-14 03:12:18,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698fdf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:18, skipping insertion in model container [2024-11-14 03:12:18,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:12:18" (1/1) ... [2024-11-14 03:12:18,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:12:19,908 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3036) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 03:12:19,914 INFO L158 Benchmark]: Toolchain (without parser) took 1360.78ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 94.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:12:19,915 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:12:19,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.52ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 94.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:12:19,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.52ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 94.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 32bit --witnessprinter.graph.data.programhash f4f73fc7a005b70de80f5801be61e488756d4a65fc8b992d95a2a2d9bf499501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:12:22,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:12:22,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:12:22,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:12:22,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:12:22,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:12:22,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:12:22,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:12:22,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:12:22,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:12:22,457 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:12:22,457 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:12:22,457 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:12:22,457 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:12:22,458 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:12:22,458 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:12:22,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:12:22,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:12:22,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:12:22,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:12:22,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:12:22,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:12:22,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:12:22,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:12:22,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:12:22,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:12:22,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:12:22,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:12:22,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:12:22,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:12:22,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:12:22,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:12:22,463 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:12:22,463 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_38e8ed45-44af-4c03-a256-f540dc3015c8/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4f73fc7a005b70de80f5801be61e488756d4a65fc8b992d95a2a2d9bf499501 [2024-11-14 03:12:22,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:12:22,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:12:22,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:12:22,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:12:22,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:12:22,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 03:12:24,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:12:25,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:12:25,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i [2024-11-14 03:12:25,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/c2d321549/786148f8ae2f45c89486c9ee36752fcf/FLAGbfa61b2f0 [2024-11-14 03:12:25,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/data/c2d321549/786148f8ae2f45c89486c9ee36752fcf [2024-11-14 03:12:25,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:12:25,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:12:25,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:12:25,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:12:25,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:12:25,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:12:25" (1/1) ... [2024-11-14 03:12:25,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a9ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:25, skipping insertion in model container [2024-11-14 03:12:25,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:12:25" (1/1) ... [2024-11-14 03:12:25,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:12:26,296 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_38e8ed45-44af-4c03-a256-f540dc3015c8/sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i[71457,71470] [2024-11-14 03:12:26,798 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 03:12:26,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:12:26,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:12:26,875 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_38e8ed45-44af-4c03-a256-f540dc3015c8/sv-benchmarks/c/neural-networks/poly_512_thresh_1_safe.c-amalgamation.i[71457,71470] [2024-11-14 03:12:27,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:12:27,465 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:12:27,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27 WrapperNode [2024-11-14 03:12:27,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:12:27,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:12:27,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:12:27,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:12:27,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,765 INFO L138 Inliner]: procedures = 779, calls = 3930, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 4481 [2024-11-14 03:12:27,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:12:27,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:12:27,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:12:27,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:12:27,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:27,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:28,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:12:28,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:12:28,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:12:28,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:12:28,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (1/1) ... [2024-11-14 03:12:28,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:12:28,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:12:28,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:12:28,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:12:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 03:12:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 03:12:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:12:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:12:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:12:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 03:12:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 03:12:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-14 03:12:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 03:12:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 03:12:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 03:12:28,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 03:12:28,094 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-14 03:12:28,094 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-14 03:12:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 03:12:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 03:12:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:12:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-14 03:12:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-14 03:12:28,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:12:28,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:13:07,354 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2024-11-14 03:13:07,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:13:07,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:13:07,373 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-14 03:13:07,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:13:07 BoogieIcfgContainer [2024-11-14 03:13:07,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:13:07,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:13:07,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:13:07,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:13:07,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:12:25" (1/3) ... [2024-11-14 03:13:07,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c77a501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:13:07, skipping insertion in model container [2024-11-14 03:13:07,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:12:27" (2/3) ... [2024-11-14 03:13:07,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c77a501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:13:07, skipping insertion in model container [2024-11-14 03:13:07,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:13:07" (3/3) ... [2024-11-14 03:13:07,389 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_512_thresh_1_safe.c-amalgamation.i [2024-11-14 03:13:07,406 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:13:07,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_512_thresh_1_safe.c-amalgamation.i that has 6 procedures, 180 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-14 03:13:07,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:13:07,496 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;@534f2e20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:13:07,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:13:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 03:13:07,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 03:13:07,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:13:07,515 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 03:13:07,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:13:07,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:13:07,521 INFO L85 PathProgramCache]: Analyzing trace with hash 394518670, now seen corresponding path program 1 times [2024-11-14 03:13:07,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:13:07,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53791199] [2024-11-14 03:13:07,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:13:07,596 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 [2024-11-14 03:13:07,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:13:07,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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) [2024-11-14 03:13:07,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 [2024-11-14 03:23:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:48,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 19949 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:23:48,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 03:23:48,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:23:48,552 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:23:48,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53791199] [2024-11-14 03:23:48,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53791199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:23:48,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:23:48,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:23:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814135868] [2024-11-14 03:23:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:23:48,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:23:48,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:23:48,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:23:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:23:48,581 INFO L87 Difference]: Start difference. First operand has 180 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 03:23:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:23:48,630 INFO L93 Difference]: Finished difference Result 357 states and 592 transitions. [2024-11-14 03:23:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:23:48,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2024-11-14 03:23:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:23:48,642 INFO L225 Difference]: With dead ends: 357 [2024-11-14 03:23:48,643 INFO L226 Difference]: Without dead ends: 176 [2024-11-14 03:23:48,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:23:48,650 INFO L432 NwaCegarLoop]: 248 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, 248 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 [2024-11-14 03:23:48,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:23:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-14 03:23:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-14 03:23:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 03:23:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 244 transitions. [2024-11-14 03:23:48,701 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 244 transitions. Word has length 58 [2024-11-14 03:23:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:23:48,701 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 244 transitions. [2024-11-14 03:23:48,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 03:23:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 244 transitions. [2024-11-14 03:23:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 03:23:48,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:48,708 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 03:23:48,909 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 [2024-11-14 03:23:49,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 [2024-11-14 03:23:49,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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 [2024-11-14 03:23:49,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:23:49,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash 435193420, now seen corresponding path program 1 times [2024-11-14 03:23:49,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:23:49,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891036171] [2024-11-14 03:23:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:49,122 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 [2024-11-14 03:23:49,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:23:49,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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) [2024-11-14 03:23:49,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e8ed45-44af-4c03-a256-f540dc3015c8/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