./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm --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 40e574a11ca12b49ca5e943c34828a2bb84417bee7d51d8768967fd824c71eac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:50,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:51,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:44:51,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:44:51,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:44:51,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:51,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:51,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:51,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:51,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:44:51,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:51,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:51,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:51,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:51,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:51,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:51,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:51,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:51,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:44:51,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:44:51,068 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_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm 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 -> 40e574a11ca12b49ca5e943c34828a2bb84417bee7d51d8768967fd824c71eac [2024-11-13 21:44:51,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:51,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:51,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:51,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:51,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:51,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:44:53,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:53,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:53,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i [2024-11-13 21:44:53,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/3b1dbc4bb/9a41193b019c4108a5f8103509dfdc86/FLAGa67c6fc30 [2024-11-13 21:44:53,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/3b1dbc4bb/9a41193b019c4108a5f8103509dfdc86 [2024-11-13 21:44:53,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:53,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:53,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:53,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:53,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:53,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:53" (1/1) ... [2024-11-13 21:44:53,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1931bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:53, skipping insertion in model container [2024-11-13 21:44:53,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:53" (1/1) ... [2024-11-13 21:44:53,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:54,670 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:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) 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:791) 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:2564) 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:2564) 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:1761) 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:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:44:54,677 INFO L158 Benchmark]: Toolchain (without parser) took 884.19ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 75.4MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:54,677 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:54,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 881.67ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 75.4MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:54,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 881.67ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 75.4MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. 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_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm --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 40e574a11ca12b49ca5e943c34828a2bb84417bee7d51d8768967fd824c71eac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:57,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:57,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:44:57,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:57,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:57,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:57,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:57,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:57,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:57,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:57,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:44:57,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:44:57,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:57,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:57,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:57,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:57,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:57,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:57,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:57,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:57,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:57,470 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:57,470 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:44:57,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:57,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:57,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:57,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:57,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:57,471 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:44:57,472 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:57,472 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:44:57,472 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_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm 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 -> 40e574a11ca12b49ca5e943c34828a2bb84417bee7d51d8768967fd824c71eac [2024-11-13 21:44:57,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:57,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:57,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:57,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:57,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:57,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:44:59,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:45:00,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:45:00,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i [2024-11-13 21:45:00,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/d04347f8e/f8d1f0c7d0344e4f82e4729327b6ce77/FLAGd43ee5555 [2024-11-13 21:45:00,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/data/d04347f8e/f8d1f0c7d0344e4f82e4729327b6ce77 [2024-11-13 21:45:00,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:45:00,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:45:00,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:00,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:45:00,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:45:00,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:00" (1/1) ... [2024-11-13 21:45:00,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9f2580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:00, skipping insertion in model container [2024-11-13 21:45:00,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:00" (1/1) ... [2024-11-13 21:45:00,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:45:01,052 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_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i[63646,63659] [2024-11-13 21:45:01,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:01,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:45:01,140 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_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/sv-benchmarks/c/neural-networks/softmax_4_safe.c-amalgamation.i[63646,63659] [2024-11-13 21:45:01,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:01,343 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:45:01,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01 WrapperNode [2024-11-13 21:45:01,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:01,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:01,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:45:01,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:45:01,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,418 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-13 21:45:01,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:01,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:45:01,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:45:01,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:45:01,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:45:01,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:45:01,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:45:01,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:45:01,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:01" (1/1) ... [2024-11-13 21:45:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:01,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:45:01,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:45:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:45:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:45:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:45:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:45:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:45:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:45:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:45:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:45:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:45:01,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:45:01,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:02,901 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:02,901 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:03,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:03,068 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:45:03,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:03 BoogieIcfgContainer [2024-11-13 21:45:03,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:03,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:03,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:03,079 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:03,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:03" (1/1) ... [2024-11-13 21:45:03,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 21:45:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 21:45:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:45:03,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:03,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:03,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:03,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:03,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:45:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:03,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:03,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:45:03,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:45:03,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:45:03,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:03,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 21:45:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 21:45:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:45:03,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:03,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:03,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:03,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:03,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:45:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:04,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:04,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:45:04,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:45:04,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:45:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 21:45:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 21:45:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:45:04,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:04,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:04,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:04,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:45:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:04,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:05,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:45:05,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:45:05,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:45:07,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-13 21:45:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-13 21:45:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:45:07,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:07,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:07,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:45:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:08,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:08,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:08,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:45:08,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:45:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 21:45:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 21:45:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:45:08,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:08,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:08,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:08,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:08,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:45:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:09,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:09,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:09,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:45:09,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:45:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-13 21:45:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-13 21:45:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:45:10,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:10,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:10,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:10,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:45:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:10,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:10,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:10,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:45:10,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:45:12,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:14,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:45:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:45:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:45:14,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:14,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:14,445 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:14,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:45:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:15,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:15,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:45:15,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:45:15,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:45:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-13 21:45:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-13 21:45:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:45:16,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:16,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:16,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:16,143 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:16,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:45:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:17,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:17,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:45:17,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:45:17,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:45:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 21:45:18,141 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 21:45:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:45:18,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:18,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:18,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:18,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:18,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:45:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:19,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:19,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:45:19,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:19,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:45:21,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:45:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:45:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:45:23,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:23,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:23,659 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:45:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:24,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:25,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:45:25,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:25,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:45:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:45:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:45:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:45:26,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:26,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:26,183 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:45:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:27,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:27,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:45:27,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 21:45:27,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:45:32,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 21:45:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 21:45:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:45:32,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:32,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:32,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:32,370 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:32,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d0cfb6-b8ed-496c-948b-110923b9f0a5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:45:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:45:35,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:45:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat