./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62dca799781176dd9d0dc3e5e7745b4e1a32e2363184524006db8afe921bcadd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:11:23,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:11:23,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:11:23,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:11:23,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:11:23,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:11:23,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:11:23,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:11:23,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:11:23,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:11:23,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:11:23,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:11:23,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:11:23,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:11:23,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:11:23,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:11:23,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:11:23,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:11:23,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:11:23,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:11:23,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:11:23,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:11:23,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:11:23,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:11:23,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:11:23,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:11:23,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 62dca799781176dd9d0dc3e5e7745b4e1a32e2363184524006db8afe921bcadd [2024-11-25 05:11:23,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:11:23,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:11:23,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:11:23,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:11:23,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:11:23,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i [2024-11-25 05:11:26,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/0c86a78bd/a0d0abab3e1e42b99225b112cb021fce/FLAG09f693c5a [2024-11-25 05:11:27,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:11:27,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i [2024-11-25 05:11:27,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/0c86a78bd/a0d0abab3e1e42b99225b112cb021fce/FLAG09f693c5a [2024-11-25 05:11:27,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/0c86a78bd/a0d0abab3e1e42b99225b112cb021fce [2024-11-25 05:11:27,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:11:27,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:11:27,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:11:27,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:11:27,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:11:27,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:27" (1/1) ... [2024-11-25 05:11:27,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9e62d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:27, skipping insertion in model container [2024-11-25 05:11:27,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:27" (1/1) ... [2024-11-25 05:11:27,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:11:28,071 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:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621) 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:1602) 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:2556) 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:782) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) 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:2556) 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:1752) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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) [2024-11-25 05:11:28,085 INFO L158 Benchmark]: Toolchain (without parser) took 945.85ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:11:28,085 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:11:28,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 942.85ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:11:28,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 942.85ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62dca799781176dd9d0dc3e5e7745b4e1a32e2363184524006db8afe921bcadd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:11:30,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:11:30,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:11:30,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:11:30,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:11:30,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:11:30,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:11:30,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:11:30,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:11:30,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:11:30,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:11:30,851 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:11:30,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:11:30,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:11:30,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:11:30,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:11:30,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:11:30,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:11:30,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:11:30,853 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:30,854 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:11:30,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:11:30,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:11:30,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:11:30,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:11:30,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:11:30,855 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:11:30,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:30,855 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:11:30,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 -> 62dca799781176dd9d0dc3e5e7745b4e1a32e2363184524006db8afe921bcadd [2024-11-25 05:11:31,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:11:31,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:11:31,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:11:31,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:11:31,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:11:31,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i [2024-11-25 05:11:34,291 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/c48fe6b0a/a878ac90e1a34f0e81125f05ebdd9d4f/FLAG19a7017ad [2024-11-25 05:11:34,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:11:34,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i [2024-11-25 05:11:34,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/c48fe6b0a/a878ac90e1a34f0e81125f05ebdd9d4f/FLAG19a7017ad [2024-11-25 05:11:34,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/data/c48fe6b0a/a878ac90e1a34f0e81125f05ebdd9d4f [2024-11-25 05:11:34,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:11:34,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:11:34,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:11:34,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:11:34,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:11:34,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:34" (1/1) ... [2024-11-25 05:11:34,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5970ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:34, skipping insertion in model container [2024-11-25 05:11:34,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:34" (1/1) ... [2024-11-25 05:11:34,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:11:35,511 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_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i[63433,63446] [2024-11-25 05:11:35,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:11:35,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:11:35,626 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_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/sv-benchmarks/c/neural-networks/softmax_0_safe.c-amalgamation.i[63433,63446] [2024-11-25 05:11:35,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:11:35,866 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:11:35,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35 WrapperNode [2024-11-25 05:11:35,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:11:35,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:11:35,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:11:35,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:11:35,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,968 INFO L138 Inliner]: procedures = 562, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-25 05:11:35,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:11:35,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:11:35,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:11:35,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:11:35,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:35,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:11:36,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:11:36,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:11:36,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:11:36,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:35" (1/1) ... [2024-11-25 05:11:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:11:36,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:11:36,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:11:36,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:11:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 05:11:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:11:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:11:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:11:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:11:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:11:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 05:11:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:11:36,239 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:11:36,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:11:37,262 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 05:11:37,263 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:11:37,430 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:11:37,430 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 05:11:37,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:37 BoogieIcfgContainer [2024-11-25 05:11:37,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:11:37,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:11:37,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:11:37,442 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:11:37,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:37" (1/1) ... [2024-11-25 05:11:37,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:11:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-25 05:11:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-25 05:11:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:11:37,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:37,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:37,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:11:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:37,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:37,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:11:37,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:11:37,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:11:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-25 05:11:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-25 05:11:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:11:38,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:38,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:38,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:38,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:11:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:39,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:39,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:11:39,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 05:11:39,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:11:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-25 05:11:41,335 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-25 05:11:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:11:41,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:41,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:41,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:41,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:41,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:11:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:41,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:41,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:11:41,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:11:41,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:11:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-25 05:11:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-25 05:11:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:11:42,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:42,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:42,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:42,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:42,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:11:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:42,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:42,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:11:42,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:11:43,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:11:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 05:11:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 05:11:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:11:43,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:43,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:43,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:11:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:44,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:44,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:11:44,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:11:44,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:11:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-25 05:11:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-25 05:11:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:11:48,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:48,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:48,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:48,328 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:48,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6b8aba5-feba-452d-adcd-d41dc9abfb5b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:11:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:11:49,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:11:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat