./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:43:51,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:43:51,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:43:51,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:43:51,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:43:51,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:43:51,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:43:51,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:43:51,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:43:51,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:43:51,431 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:43:51,431 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:43:51,431 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:43:51,431 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:43:51,432 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:43:51,433 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:43:51,434 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:43:51,434 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:43:51,434 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:43:51,434 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:43:51,434 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:43:51,434 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:43:51,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:43:51,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:43:51,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:43:51,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:43:51,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:43:51,438 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:43:51,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:43:51,439 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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 -> 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 [2024-11-14 04:43:51,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:43:51,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:43:51,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:43:51,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:43:51,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:43:51,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 04:43:53,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:43:54,187 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:43:54,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2024-11-14 04:43:54,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/fa28f24a5/3ff116bc66054a89aa7ad6a405ec77fd/FLAGa2e6877c1 [2024-11-14 04:43:54,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/fa28f24a5/3ff116bc66054a89aa7ad6a405ec77fd [2024-11-14 04:43:54,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:43:54,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:43:54,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:43:54,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:43:54,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:43:54,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:43:54" (1/1) ... [2024-11-14 04:43:54,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4edc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:43:54, skipping insertion in model container [2024-11-14 04:43:54,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:43:54" (1/1) ... [2024-11-14 04:43:54,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:43:55,874 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 04:43:55,881 INFO L158 Benchmark]: Toolchain (without parser) took 1619.30ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 68.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:43:55,881 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:43:55,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1614.95ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 68.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:43:55,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1614.95ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 68.0MB in the end (delta: 19.8MB). 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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:43:58,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:43:58,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:43:58,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:43:58,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:43:58,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:43:58,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:43:58,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:43:58,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:43:58,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:43:58,861 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:43:58,861 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:43:58,861 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:43:58,862 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:43:58,863 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:43:58,863 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:43:58,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:43:58,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:43:58,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:43:58,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:43:58,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:43:58,865 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:43:58,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:43:58,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:43:58,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:43:58,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:43:58,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:43:58,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:43:58,867 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:43:58,867 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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 -> 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 [2024-11-14 04:43:59,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:43:59,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:43:59,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:43:59,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:43:59,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:43:59,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 04:44:01,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:44:01,825 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:44:01,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2024-11-14 04:44:01,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/85f0fd4d5/fb362680cf6d42429a34be5567336977/FLAG0fa7bc85a [2024-11-14 04:44:01,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/data/85f0fd4d5/fb362680cf6d42429a34be5567336977 [2024-11-14 04:44:01,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:44:01,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:44:01,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:01,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:44:01,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:44:01,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:01" (1/1) ... [2024-11-14 04:44:01,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d38bf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:01, skipping insertion in model container [2024-11-14 04:44:01,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:44:01" (1/1) ... [2024-11-14 04:44:02,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:44:03,323 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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i[71489,71502] [2024-11-14 04:44:03,852 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 04:44:03,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:03,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:44:03,959 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_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i[71489,71502] [2024-11-14 04:44:04,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:44:04,529 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:44:04,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04 WrapperNode [2024-11-14 04:44:04,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:44:04,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:04,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:44:04,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:44:04,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:04,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:04,833 INFO L138 Inliner]: procedures = 779, calls = 2255, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 2833 [2024-11-14 04:44:04,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:44:04,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:44:04,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:44:04,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:44:04,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:04,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:04,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:04,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:44:05,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:44:05,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:44:05,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:44:05,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (1/1) ... [2024-11-14 04:44:05,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:44:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:44:05,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:44:05,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:44:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:44:05,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 04:44:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:44:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:44:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:44:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:44:05,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:44:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-14 04:44:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 04:44:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:44:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 04:44:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 04:44:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:44:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-14 04:44:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-14 04:44:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:44:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:44:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:44:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-14 04:44:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-14 04:44:05,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:44:05,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:44:34,053 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-14 04:44:34,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:44:34,077 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:44:34,079 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-14 04:44:34,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:44:34 BoogieIcfgContainer [2024-11-14 04:44:34,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:44:34,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:44:34,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:44:34,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:44:34,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:44:01" (1/3) ... [2024-11-14 04:44:34,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690a63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:44:34, skipping insertion in model container [2024-11-14 04:44:34,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:44:04" (2/3) ... [2024-11-14 04:44:34,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690a63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:44:34, skipping insertion in model container [2024-11-14 04:44:34,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:44:34" (3/3) ... [2024-11-14 04:44:34,099 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2024-11-14 04:44:34,118 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:44:34,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i that has 6 procedures, 183 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-14 04:44:34,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:44:34,224 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;@7e468d06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:44:34,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:44:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:44:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-14 04:44:34,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:44:34,264 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:44:34,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:44:34,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:44:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1657992496, now seen corresponding path program 1 times [2024-11-14 04:44:34,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:44:34,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977730328] [2024-11-14 04:44:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:34,318 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 04:44:34,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:44:34,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:44:34,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:47:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:18,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 11586 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:47:18,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:47:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-14 04:47:18,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:47:18,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:47:18,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977730328] [2024-11-14 04:47:18,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977730328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:18,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:18,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:47:18,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194071827] [2024-11-14 04:47:18,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:18,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:47:18,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:47:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:47:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:47:18,332 INFO L87 Difference]: Start difference. First operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:47:18,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:18,408 INFO L93 Difference]: Finished difference Result 363 states and 607 transitions. [2024-11-14 04:47:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:47:18,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 133 [2024-11-14 04:47:18,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:18,425 INFO L225 Difference]: With dead ends: 363 [2024-11-14 04:47:18,425 INFO L226 Difference]: Without dead ends: 179 [2024-11-14 04:47:18,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 04:47:18,441 INFO L432 NwaCegarLoop]: 254 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, 254 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 04:47:18,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:47:18,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-14 04:47:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-14 04:47:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:47:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 250 transitions. [2024-11-14 04:47:18,502 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 250 transitions. Word has length 133 [2024-11-14 04:47:18,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:18,502 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 250 transitions. [2024-11-14 04:47:18,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-14 04:47:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 250 transitions. [2024-11-14 04:47:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-14 04:47:18,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:18,510 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:18,814 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:47:18,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 0 [2024-11-14 04:47:18,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:47:18,818 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:18,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash -871996458, now seen corresponding path program 1 times [2024-11-14 04:47:18,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:47:18,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071668703] [2024-11-14 04:47:18,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:18,835 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 04:47:18,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:47:18,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:47:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:50:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:33,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 11587 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:50:33,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 04:50:34,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:50:34,301 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:50:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071668703] [2024-11-14 04:50:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071668703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:34,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:34,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:50:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73389411] [2024-11-14 04:50:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:34,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:50:34,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:50:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:50:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:50:34,305 INFO L87 Difference]: Start difference. First operand 179 states and 250 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:50:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:50:35,605 INFO L93 Difference]: Finished difference Result 359 states and 505 transitions. [2024-11-14 04:50:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:50:35,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-14 04:50:35,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:50:35,610 INFO L225 Difference]: With dead ends: 359 [2024-11-14 04:50:35,610 INFO L226 Difference]: Without dead ends: 185 [2024-11-14 04:50:35,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:50:35,613 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 213 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:50:35,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 749 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:50:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-14 04:50:35,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-14 04:50:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-14 04:50:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-14 04:50:35,644 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 133 [2024-11-14 04:50:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:50:35,645 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-14 04:50:35,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:50:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-14 04:50:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-14 04:50:35,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:50:35,650 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:50:35,850 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:50:35,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:50:35,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:50:35,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:35,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash -356521725, now seen corresponding path program 1 times [2024-11-14 04:50:35,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:50:35,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871082389] [2024-11-14 04:50:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:35,911 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 04:50:35,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:50:35,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:50:35,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:53:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:50,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 11592 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:53:50,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-14 04:53:51,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:51,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:51,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871082389] [2024-11-14 04:53:51,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871082389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:51,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:51,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:53:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216657191] [2024-11-14 04:53:51,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:51,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:53:51,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:51,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:53:51,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:53:51,738 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:53:53,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:53,144 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-14 04:53:53,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:53:53,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 138 [2024-11-14 04:53:53,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:53,149 INFO L225 Difference]: With dead ends: 371 [2024-11-14 04:53:53,149 INFO L226 Difference]: Without dead ends: 191 [2024-11-14 04:53:53,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:53:53,152 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 335 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:53,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 758 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-14 04:53:53,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-14 04:53:53,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-14 04:53:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-14 04:53:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-14 04:53:53,179 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 138 [2024-11-14 04:53:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:53,179 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-14 04:53:53,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:53:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-14 04:53:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-14 04:53:53,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:53,183 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:53,384 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:53:53,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 [2024-11-14 04:53:53,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:53:53,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:53,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash -664384435, now seen corresponding path program 1 times [2024-11-14 04:53:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:53,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360567133] [2024-11-14 04:53:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:53,477 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 04:53:53,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:53,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:53:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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)] Waiting until timeout for monitored process [2024-11-14 04:57:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:09,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 11602 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:57:09,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-14 04:57:10,712 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:10,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:10,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360567133] [2024-11-14 04:57:10,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360567133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:10,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:10,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:57:10,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20238680] [2024-11-14 04:57:10,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:10,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:57:10,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:10,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:57:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:57:10,715 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:57:12,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:12,228 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-14 04:57:12,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:57:12,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 148 [2024-11-14 04:57:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:12,232 INFO L225 Difference]: With dead ends: 371 [2024-11-14 04:57:12,232 INFO L226 Difference]: Without dead ends: 191 [2024-11-14 04:57:12,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:57:12,234 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 334 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:12,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 758 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-14 04:57:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-14 04:57:12,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-14 04:57:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-14 04:57:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-14 04:57:12,261 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 148 [2024-11-14 04:57:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:12,261 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-14 04:57:12,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-14 04:57:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-14 04:57:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:57:12,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:12,266 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:57:12,467 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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)] Forcibly destroying the process [2024-11-14 04:57:12,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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)] Forceful destruction successful, exit code 137 [2024-11-14 04:57:12,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:57:12,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:12,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:12,523 INFO L85 PathProgramCache]: Analyzing trace with hash 93182992, now seen corresponding path program 1 times [2024-11-14 04:57:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203148096] [2024-11-14 04:57:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:12,533 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 04:57:12,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:12,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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 04:57:12,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351bfe1c-ef7c-4ca4-b002-1818c1e1aeaf/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