./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje --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 f4175c00e2a4349d4cbcf6466f89226e30510ad8c8dfb7a11817d9f92e0918c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:11:29,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:11:29,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:11:29,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:11:29,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:11:29,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:11:29,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:11:29,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:11:29,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:11:29,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:11:29,495 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:11:29,496 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:11:29,497 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:11:29,497 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:11:29,500 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:11:29,500 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:11:29,501 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:11:29,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:11:29,501 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:11:29,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:11:29,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:11:29,506 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:11:29,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:11:29,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:11:29,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:11:29,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:11:29,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:11:29,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:11:29,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:11:29,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:11:29,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:11:29,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:11:29,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:11:29,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:11:29,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:11:29,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:11:29,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:11:29,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:11:29,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:29,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:11:29,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:11:29,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:11:29,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:11:29,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:11:29,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:11:29,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:11:29,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:11:29,518 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4175c00e2a4349d4cbcf6466f89226e30510ad8c8dfb7a11817d9f92e0918c4 [2024-11-09 05:11:29,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:11:29,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:11:29,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:11:29,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:11:29,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:11:29,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 05:11:32,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:11:32,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:11:32,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i [2024-11-09 05:11:32,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/f0ec804ec/0818c4c3667a40f29306191445d836a1/FLAG53b34f590 [2024-11-09 05:11:32,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/f0ec804ec/0818c4c3667a40f29306191445d836a1 [2024-11-09 05:11:32,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:11:32,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:11:32,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:32,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:11:32,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:11:32,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:32" (1/1) ... [2024-11-09 05:11:32,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b56f311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:32, skipping insertion in model container [2024-11-09 05:11:32,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:32" (1/1) ... [2024-11-09 05:11:32,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:11:34,267 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:1507) 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:3216) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2295) 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:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) 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) [2024-11-09 05:11:34,277 INFO L158 Benchmark]: Toolchain (without parser) took 1588.56ms. Allocated memory is still 180.4MB. Free memory was 148.6MB in the beginning and 124.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:34,278 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:11:34,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1584.35ms. Allocated memory is still 180.4MB. Free memory was 148.6MB in the beginning and 124.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:11:34,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1584.35ms. Allocated memory is still 180.4MB. Free memory was 148.6MB in the beginning and 124.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. 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:627) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje --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 f4175c00e2a4349d4cbcf6466f89226e30510ad8c8dfb7a11817d9f92e0918c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:11:37,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:11:37,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:11:37,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:11:37,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:11:37,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:11:37,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:11:37,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:11:37,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:11:37,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:11:37,322 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:11:37,322 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:11:37,323 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:11:37,323 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:11:37,324 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:11:37,324 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:11:37,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:11:37,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:11:37,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:11:37,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:11:37,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:11:37,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:11:37,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:11:37,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:11:37,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:11:37,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:11:37,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:11:37,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:11:37,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:11:37,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:11:37,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:11:37,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:11:37,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:11:37,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:11:37,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:11:37,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:37,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:11:37,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:11:37,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:11:37,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:11:37,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:11:37,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:11:37,336 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:11:37,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4175c00e2a4349d4cbcf6466f89226e30510ad8c8dfb7a11817d9f92e0918c4 [2024-11-09 05:11:37,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:11:37,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:11:37,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:11:37,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:11:37,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:11:37,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 05:11:40,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:11:40,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:11:40,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i [2024-11-09 05:11:40,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/4ebd13e70/52de0204ad7d45c2a9b1fce6f844064f/FLAG7de931726 [2024-11-09 05:11:40,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/data/4ebd13e70/52de0204ad7d45c2a9b1fce6f844064f [2024-11-09 05:11:40,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:11:40,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:11:40,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:40,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:11:40,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:11:40,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:40" (1/1) ... [2024-11-09 05:11:40,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757948d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:40, skipping insertion in model container [2024-11-09 05:11:40,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:40" (1/1) ... [2024-11-09 05:11:41,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:11:42,451 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_4911a294-877c-4518-a441-6963ed7b5ed1/sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i[71465,71478] [2024-11-09 05:11:43,240 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 05:11:43,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:43,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:11:43,325 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_4911a294-877c-4518-a441-6963ed7b5ed1/sv-benchmarks/c/neural-networks/poly_32_32_thresh_1_safe.c-amalgamation.i[71465,71478] [2024-11-09 05:11:43,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:11:44,070 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:11:44,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44 WrapperNode [2024-11-09 05:11:44,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:11:44,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:44,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:11:44,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:11:44,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,508 INFO L138 Inliner]: procedures = 779, calls = 2753, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 3313 [2024-11-09 05:11:44,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:11:44,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:11:44,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:11:44,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:11:44,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:11:44,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:11:44,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:11:44,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:11:44,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (1/1) ... [2024-11-09 05:11:44,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:11:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:11:45,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:11:45,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:11:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 05:11:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 05:11:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:11:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:11:45,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:11:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:11:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:11:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:11:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:11:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-09 05:11:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-09 05:11:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 05:11:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 05:11:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:11:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:11:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 05:11:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 05:11:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 05:11:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-09 05:11:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-09 05:11:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 05:11:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 05:11:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:11:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-09 05:11:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-09 05:11:45,546 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:11:45,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:12:23,427 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-09 05:12:23,428 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:12:23,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:12:23,446 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 05:12:23,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:23 BoogieIcfgContainer [2024-11-09 05:12:23,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:12:23,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:12:23,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:12:23,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:12:23,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:11:40" (1/3) ... [2024-11-09 05:12:23,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63998419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:23, skipping insertion in model container [2024-11-09 05:12:23,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:44" (2/3) ... [2024-11-09 05:12:23,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63998419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:23, skipping insertion in model container [2024-11-09 05:12:23,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:23" (3/3) ... [2024-11-09 05:12:23,461 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_32_32_thresh_1_safe.c-amalgamation.i [2024-11-09 05:12:23,481 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:12:23,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:12:23,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:12:23,582 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;@264630fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:12:23,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:12:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:12:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:12:23,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:23,618 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:23,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:23,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:23,627 INFO L85 PathProgramCache]: Analyzing trace with hash 348754592, now seen corresponding path program 1 times [2024-11-09 05:12:23,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:12:23,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802509388] [2024-11-09 05:12:23,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:23,687 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 [2024-11-09 05:12:23,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:12:23,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:12:23,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:19:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:02,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 14644 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:19:02,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 05:19:02,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:19:02,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:02,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802509388] [2024-11-09 05:19:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802509388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:02,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:02,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:19:02,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909218457] [2024-11-09 05:19:02,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:02,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:19:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:19:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:19:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:19:02,286 INFO L87 Difference]: Start difference. First operand has 221 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:19:02,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:19:02,352 INFO L93 Difference]: Finished difference Result 439 states and 671 transitions. [2024-11-09 05:19:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:19:02,355 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2024-11-09 05:19:02,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:19:02,367 INFO L225 Difference]: With dead ends: 439 [2024-11-09 05:19:02,368 INFO L226 Difference]: Without dead ends: 217 [2024-11-09 05:19:02,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:19:02,378 INFO L432 NwaCegarLoop]: 330 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, 330 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 [2024-11-09 05:19:02,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:19:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-09 05:19:02,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-09 05:19:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:19:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 326 transitions. [2024-11-09 05:19:02,447 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 326 transitions. Word has length 83 [2024-11-09 05:19:02,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:19:02,447 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 326 transitions. [2024-11-09 05:19:02,448 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:19:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 326 transitions. [2024-11-09 05:19:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:19:02,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:02,453 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:19:02,654 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:19:02,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:19:02,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:19:02,798 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:02,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:02,799 INFO L85 PathProgramCache]: Analyzing trace with hash -709083486, now seen corresponding path program 1 times [2024-11-09 05:19:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:02,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965170802] [2024-11-09 05:19:02,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:02,830 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 [2024-11-09 05:19:02,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:02,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:19:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:25:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:25:29,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 14645 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:25:29,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:25:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 05:25:30,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:25:30,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:25:30,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965170802] [2024-11-09 05:25:30,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965170802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:25:30,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:25:30,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:25:30,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565952710] [2024-11-09 05:25:30,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:25:30,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:25:30,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:25:30,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:25:30,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:25:30,805 INFO L87 Difference]: Start difference. First operand 217 states and 326 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, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 05:25:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:25:31,867 INFO L93 Difference]: Finished difference Result 435 states and 655 transitions. [2024-11-09 05:25:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:25:31,868 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, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 83 [2024-11-09 05:25:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:25:31,872 INFO L225 Difference]: With dead ends: 435 [2024-11-09 05:25:31,872 INFO L226 Difference]: Without dead ends: 223 [2024-11-09 05:25:31,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:25:31,876 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 290 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:25:31,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1013 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:25:31,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-09 05:25:31,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-09 05:25:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 204 states have (on average 1.5098039215686274) internal successors, (308), 204 states have internal predecessors, (308), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (14), 13 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-09 05:25:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 333 transitions. [2024-11-09 05:25:31,903 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 333 transitions. Word has length 83 [2024-11-09 05:25:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:25:31,903 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 333 transitions. [2024-11-09 05:25:31,904 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, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 05:25:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 333 transitions. [2024-11-09 05:25:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 05:25:31,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:25:31,908 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:25:32,108 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:25:32,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:25:32,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:25:32,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:25:32,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:25:32,172 INFO L85 PathProgramCache]: Analyzing trace with hash 883327229, now seen corresponding path program 1 times [2024-11-09 05:25:32,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:25:32,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158459143] [2024-11-09 05:25:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:25:32,185 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 [2024-11-09 05:25:32,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:25:32,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:25:32,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4911a294-877c-4518-a441-6963ed7b5ed1/bin/utaipan-verify-YMUCfTKeje/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