./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2 --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 2d590166abdf2a2a4def3fd897595fa710f6928d3cc261d8519c0ff07ccec11b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:41,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:41,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:31:41,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:41,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:41,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:41,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:41,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:41,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:41,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:41,779 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:41,780 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:41,780 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:41,781 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:31:41,781 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:41,781 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:41,782 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:31:41,782 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:31:41,783 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:41,783 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:31:41,783 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:31:41,784 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:31:41,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:41,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:41,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:41,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:31:41,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:41,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:41,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:41,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:41,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:41,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:41,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:41,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:41,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:41,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:41,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:41,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:41,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:41,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:41,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:41,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:41,791 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:31:41,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:31:41,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:41,792 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:41,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:41,792 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_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d590166abdf2a2a4def3fd897595fa710f6928d3cc261d8519c0ff07ccec11b [2024-11-02 12:31:42,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:42,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:42,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:42,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:42,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:42,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-02 12:31:44,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:44,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:44,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i [2024-11-02 12:31:44,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/8087e1100/1f40ce51810c48a6b6c2fe1fb5d41572/FLAG902b9146d [2024-11-02 12:31:44,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/8087e1100/1f40ce51810c48a6b6c2fe1fb5d41572 [2024-11-02 12:31:44,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:44,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:44,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:44,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:44,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:44,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:44" (1/1) ... [2024-11-02 12:31:44,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7dab0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:44, skipping insertion in model container [2024-11-02 12:31:44,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:44" (1/1) ... [2024-11-02 12:31:44,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:45,231 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: isnan 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:3126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:622) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) 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:2538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1734) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1131) 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:387) 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:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2482) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) 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) [2024-11-02 12:31:45,236 INFO L158 Benchmark]: Toolchain (without parser) took 748.96ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 101.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:31:45,237 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 124.6MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:45,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.66ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 101.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:31:45,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 124.6MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.66ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 101.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2 --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 2d590166abdf2a2a4def3fd897595fa710f6928d3cc261d8519c0ff07ccec11b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:47,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:47,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:31:47,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:47,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:47,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:47,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:47,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:47,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:47,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:47,641 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:47,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:47,641 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:47,642 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:47,642 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:47,642 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:47,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:47,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:47,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:47,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:47,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:47,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:47,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:47,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:47,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:31:47,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:31:47,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:47,649 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:31:47,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:47,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:47,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:47,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:47,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:31:47,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:47,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:47,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:47,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:47,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:47,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:47,655 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:31:47,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:31:47,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:47,656 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:47,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:47,668 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d590166abdf2a2a4def3fd897595fa710f6928d3cc261d8519c0ff07ccec11b [2024-11-02 12:31:48,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:48,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:48,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:48,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:48,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:48,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-02 12:31:50,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:50,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:50,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i [2024-11-02 12:31:50,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/ce95fb928/9d51a124a9bb49d7a909325684fce1da/FLAG0d2be77ce [2024-11-02 12:31:50,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/data/ce95fb928/9d51a124a9bb49d7a909325684fce1da [2024-11-02 12:31:50,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:50,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:50,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:50,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:50,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:50,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:50" (1/1) ... [2024-11-02 12:31:50,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13509ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:50, skipping insertion in model container [2024-11-02 12:31:50,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:50" (1/1) ... [2024-11-02 12:31:50,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:51,469 WARN L1657 CHandler]: Possible shadowing of function y1 [2024-11-02 12:31:51,470 WARN L251 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_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i[63095,63108] [2024-11-02 12:31:51,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:51,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:51,549 WARN L1657 CHandler]: Possible shadowing of function y1 [2024-11-02 12:31:51,550 WARN L251 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_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/sv-benchmarks/c/neural-networks/tanh_3_safe.c-amalgamation.i[63095,63108] [2024-11-02 12:31:51,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:51,702 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:51,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51 WrapperNode [2024-11-02 12:31:51,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:51,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:51,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:51,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:51,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,767 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-02 12:31:51,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:51,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:51,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:51,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:51,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:51,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:51,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:51,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:51,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (1/1) ... [2024-11-02 12:31:51,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:51,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:51,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:52,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:52,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:53,457 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:53,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:53,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:53,469 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:31:53,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:53 BoogieIcfgContainer [2024-11-02 12:31:53,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:53,472 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:53,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:53,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:53,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:50" (1/3) ... [2024-11-02 12:31:53,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b60e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:53, skipping insertion in model container [2024-11-02 12:31:53,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:51" (2/3) ... [2024-11-02 12:31:53,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b60e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:53, skipping insertion in model container [2024-11-02 12:31:53,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:53" (3/3) ... [2024-11-02 12:31:53,479 INFO L112 eAbstractionObserver]: Analyzing ICFG tanh_3_safe.c-amalgamation.i [2024-11-02 12:31:53,497 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:53,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:53,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:53,567 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;@6c72dd7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:53,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:31:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:31:53,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:53,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:31:53,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:53,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-02 12:31:53,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:31:53,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174754802] [2024-11-02 12:31:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:53,594 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 [2024-11-02 12:31:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:31:53,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:31:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:31:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:31:53,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:31:53,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:31:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:31:53,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:31:53,895 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:31:53,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174754802] [2024-11-02 12:31:53,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174754802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:31:53,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:31:53,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:31:53,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120780306] [2024-11-02 12:31:53,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:31:53,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:31:53,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:31:53,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:31:53,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:31:53,926 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:31:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:31:53,938 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-02 12:31:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:31:53,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-02 12:31:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:31:53,949 INFO L225 Difference]: With dead ends: 19 [2024-11-02 12:31:53,949 INFO L226 Difference]: Without dead ends: 7 [2024-11-02 12:31:53,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:31:53,957 INFO L432 NwaCegarLoop]: 10 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, 10 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 [2024-11-02 12:31:53,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:31:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-02 12:31:53,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-02 12:31:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:31:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-02 12:31:53,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-02 12:31:53,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:31:53,985 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-02 12:31:53,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:31:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-02 12:31:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-02 12:31:53,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:53,986 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-02 12:31:53,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:31:54,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:31:54,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:54,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-02 12:31:54,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:31:54,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728145764] [2024-11-02 12:31:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:54,189 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 [2024-11-02 12:31:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:31:54,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:31:54,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:31:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:54,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:31:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:54,721 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 12:31:54,722 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:31:54,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:31:54,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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 0 [2024-11-02 12:31:54,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:31:54,928 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 12:31:54,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:31:54,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:31:54 BoogieIcfgContainer [2024-11-02 12:31:54,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:31:54,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:31:54,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:31:54,952 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:31:54,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:53" (3/4) ... [2024-11-02 12:31:54,956 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:31:54,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:31:54,959 INFO L158 Benchmark]: Toolchain (without parser) took 4407.04ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.6MB in the beginning and 35.5MB in the end (delta: 14.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,960 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:54,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1149.33ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.4MB in the beginning and 44.8MB in the end (delta: 4.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.55ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,963 INFO L158 Benchmark]: Boogie Preprocessor took 44.09ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,964 INFO L158 Benchmark]: RCFGBuilder took 1654.75ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 59.1MB in the end (delta: -19.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,966 INFO L158 Benchmark]: TraceAbstraction took 1479.51ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 36.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:54,969 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 92.3MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:54,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1149.33ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.4MB in the beginning and 44.8MB in the end (delta: 4.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.55ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.09ms. Allocated memory is still 92.3MB. Free memory was 41.8MB in the beginning and 40.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1654.75ms. Allocated memory is still 92.3MB. Free memory was 40.1MB in the beginning and 59.1MB in the end (delta: -19.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1479.51ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 36.1MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 92.3MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 853]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of tanhf at line 850. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-2f; VAL [x1=-536871040] [L849] COND FALSE !(!(!__builtin_isnan (x1))) [L850] float y1 = tanhf(x1); [L851] float y2 = tanhf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; VAL [derivative=200.0] [L853] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) [L853] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:31:55,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5894d31-4d25-4d10-bc52-ced3ff2b8fc1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample