./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.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_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/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_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/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_1a095019-cce8-4009-82ef-fd99669420df/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 c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:28:22,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:28:23,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:28:23,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:28:23,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:28:23,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:28:23,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:28:23,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:28:23,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:28:23,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:28:23,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:28:23,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:28:23,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:28:23,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:28:23,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:28:23,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:28:23,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:28:23,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:28:23,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:28:23,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:28:23,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:28:23,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:28:23,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:28:23,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:28:23,126 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:28:23,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:28:23,126 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_1a095019-cce8-4009-82ef-fd99669420df/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 -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2024-11-25 05:28:23,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:28:23,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:28:23,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:28:23,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:28:23,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:28:23,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2024-11-25 05:28:26,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/db83ac9a0/771cd68b16644db4b364bbb32d9b91ec/FLAG4105b9de6 [2024-11-25 05:28:27,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:28:27,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2024-11-25 05:28:27,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/db83ac9a0/771cd68b16644db4b364bbb32d9b91ec/FLAG4105b9de6 [2024-11-25 05:28:27,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/db83ac9a0/771cd68b16644db4b364bbb32d9b91ec [2024-11-25 05:28:27,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:28:27,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:28:27,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:28:27,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:28:27,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:28:27,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:27" (1/1) ... [2024-11-25 05:28:27,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1470fa6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:27, skipping insertion in model container [2024-11-25 05:28:27,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:27" (1/1) ... [2024-11-25 05:28:27,200 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:28:28,015 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 05:28:28,022 INFO L158 Benchmark]: Toolchain (without parser) took 882.95ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 74.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:28:28,023 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:28,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.60ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 74.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:28:28,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.60ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 74.7MB in the end (delta: 15.5MB). 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_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/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_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/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_1a095019-cce8-4009-82ef-fd99669420df/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 c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:28:30,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:28:30,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:28:30,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:28:30,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:28:30,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:28:30,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:28:30,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:28:30,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:28:30,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:28:30,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:28:30,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:28:30,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:28:30,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:28:30,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:28:30,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:30,671 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:28:30,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:28:30,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:28:30,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:28:30,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:28:30,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:28:30,672 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:28:30,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:30,673 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:28:30,673 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_1a095019-cce8-4009-82ef-fd99669420df/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 -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2024-11-25 05:28:30,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:28:30,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:28:30,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:28:30,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:28:30,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:28:30,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2024-11-25 05:28:33,993 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/2c63844f5/d39b9714f14c472ab1420c0856b6d7ac/FLAG25856dff0 [2024-11-25 05:28:34,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:28:34,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2024-11-25 05:28:34,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/2c63844f5/d39b9714f14c472ab1420c0856b6d7ac/FLAG25856dff0 [2024-11-25 05:28:34,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/data/2c63844f5/d39b9714f14c472ab1420c0856b6d7ac [2024-11-25 05:28:34,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:28:34,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:28:34,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:28:34,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:28:34,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:28:34,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:34" (1/1) ... [2024-11-25 05:28:34,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1f2e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:34, skipping insertion in model container [2024-11-25 05:28:34,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:34" (1/1) ... [2024-11-25 05:28:34,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:28:35,000 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_1a095019-cce8-4009-82ef-fd99669420df/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2024-11-25 05:28:35,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:28:35,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:28:35,098 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_1a095019-cce8-4009-82ef-fd99669420df/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2024-11-25 05:28:35,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:28:35,258 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:28:35,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35 WrapperNode [2024-11-25 05:28:35,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:28:35,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:28:35,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:28:35,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:28:35,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,349 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-25 05:28:35,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:28:35,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:28:35,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:28:35,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:28:35,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:28:35,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:28:35,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:28:35,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:28:35,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:35" (1/1) ... [2024-11-25 05:28:35,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:28:35,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:28:35,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:28:35,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:28:35,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 05:28:35,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:28:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:28:35,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:28:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:28:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:28:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 05:28:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:28:35,647 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:28:35,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:28:37,567 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 05:28:37,567 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:28:37,780 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:28:37,780 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 05:28:37,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:28:37 BoogieIcfgContainer [2024-11-25 05:28:37,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:28:37,781 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:28:37,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:28:37,791 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:28:37,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:28:37" (1/1) ... [2024-11-25 05:28:37,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:28:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:37,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-25 05:28:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-25 05:28:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:28:37,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:37,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:37,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:37,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:37,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:28:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:38,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:38,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:28:38,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:38,311 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 05:28:38,314 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:28:38,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:28:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-25 05:28:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-25 05:28:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:28:40,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:40,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:40,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:40,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:28:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:40,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:40,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:28:40,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:40,726 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 05:28:40,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:28:42,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:28:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-25 05:28:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-25 05:28:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:28:43,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:43,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:43,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:43,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:28:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:44,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:44,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:28:44,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:44,662 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 05:28:44,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 05:28:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-25 05:28:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-25 05:28:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:28:45,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:45,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:45,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:28:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:45,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:45,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:28:45,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:46,076 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 05:28:46,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:28:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 05:28:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 05:28:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:28:46,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:46,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:46,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:46,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:46,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:28:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:47,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:47,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:28:47,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:47,233 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 05:28:47,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:28:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-25 05:28:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-25 05:28:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:28:47,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:47,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:47,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:47,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:47,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:28:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:48,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:48,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:28:48,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:28:49,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 05:28:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 05:28:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 05:28:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:28:51,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:51,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:51,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:51,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:51,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:28:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:52,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:53,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:28:53,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 05:28:53,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:28:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-25 05:28:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-25 05:28:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:28:53,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:53,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:53,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:53,916 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:53,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:28:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:54,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:55,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:28:55,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 05:28:55,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 05:28:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 05:28:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 05:28:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:28:56,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:56,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:56,183 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:28:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:57,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:57,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:28:57,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:28:57,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 05:29:00,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:29:01,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:29:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 05:29:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 05:29:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:29:01,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:01,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:01,875 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:29:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:03,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:03,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:29:03,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:29:03,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 05:29:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 05:29:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 05:29:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:29:04,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:04,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:04,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:04,542 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:04,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:29:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:05,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:06,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:29:06,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 05:29:06,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:10,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:29:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 05:29:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 05:29:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:29:10,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:10,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:10,778 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:10,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a095019-cce8-4009-82ef-fd99669420df/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:29:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:29:14,889 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:29:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat