./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_12_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_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/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_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/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_b32c6866-599c-4639-9f06-ff0f91993776/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 c96e017e065c3eaf6ce9c6c3334a9a712b6df154d63fa945aee2741122a0f635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:19,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:20,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:02:20,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:02:20,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:02:20,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:20,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:20,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:20,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:20,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:20,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:20,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:20,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:20,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:20,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:20,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:20,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:20,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:20,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:20,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:20,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:02:20,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:02:20,066 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_b32c6866-599c-4639-9f06-ff0f91993776/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 -> c96e017e065c3eaf6ce9c6c3334a9a712b6df154d63fa945aee2741122a0f635 [2024-11-24 18:02:20,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:20,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:20,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:20,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:20,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:20,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i [2024-11-24 18:02:23,737 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/b0bc63983/86d6cc7f64d743c7abb0ceb1ccdea0d1/FLAGd68a7d6a8 [2024-11-24 18:02:24,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:24,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i [2024-11-24 18:02:24,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/b0bc63983/86d6cc7f64d743c7abb0ceb1ccdea0d1/FLAGd68a7d6a8 [2024-11-24 18:02:24,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/b0bc63983/86d6cc7f64d743c7abb0ceb1ccdea0d1 [2024-11-24 18:02:24,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:24,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:24,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:24,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:24,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:24,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:24" (1/1) ... [2024-11-24 18:02:24,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6debe49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:24, skipping insertion in model container [2024-11-24 18:02:24,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:24" (1/1) ... [2024-11-24 18:02:24,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:25,491 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) [2024-11-24 18:02:25,501 INFO L158 Benchmark]: Toolchain (without parser) took 1080.39ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:02:25,502 INFO L158 Benchmark]: CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:25,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.34ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:02:25,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.74ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.34ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). 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_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/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_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/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_b32c6866-599c-4639-9f06-ff0f91993776/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 c96e017e065c3eaf6ce9c6c3334a9a712b6df154d63fa945aee2741122a0f635 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:28,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:28,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:02:28,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:28,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:28,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:28,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:28,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:28,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:28,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:28,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:02:28,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:02:28,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:28,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:28,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:28,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:28,929 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:28,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:28,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:28,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:28,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:28,932 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:28,932 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:02:28,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:28,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:28,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:28,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:28,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:28,934 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:02:28,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:28,934 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:02:28,935 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_b32c6866-599c-4639-9f06-ff0f91993776/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 -> c96e017e065c3eaf6ce9c6c3334a9a712b6df154d63fa945aee2741122a0f635 [2024-11-24 18:02:29,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:29,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:29,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:29,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:29,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:29,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i [2024-11-24 18:02:33,006 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/35c8ef76c/1b6038433c794cd8b335a7ba50286cec/FLAG987c7785d [2024-11-24 18:02:33,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:33,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i [2024-11-24 18:02:33,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/35c8ef76c/1b6038433c794cd8b335a7ba50286cec/FLAG987c7785d [2024-11-24 18:02:33,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/data/35c8ef76c/1b6038433c794cd8b335a7ba50286cec [2024-11-24 18:02:33,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:33,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:33,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:33,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:33,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:33,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:33" (1/1) ... [2024-11-24 18:02:33,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f415c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:33, skipping insertion in model container [2024-11-24 18:02:33,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:33" (1/1) ... [2024-11-24 18:02:33,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:34,591 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_b32c6866-599c-4639-9f06-ff0f91993776/sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i[63382,63395] [2024-11-24 18:02:34,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:34,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:02:34,714 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_b32c6866-599c-4639-9f06-ff0f91993776/sv-benchmarks/c/neural-networks/softmax_12_unsafe.c-amalgamation.i[63382,63395] [2024-11-24 18:02:34,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:34,909 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:02:34,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34 WrapperNode [2024-11-24 18:02:34,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:34,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:34,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:02:34,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:02:34,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:34,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,000 INFO L138 Inliner]: procedures = 562, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-24 18:02:35,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:35,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:02:35,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:02:35,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:02:35,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,044 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:02:35,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:02:35,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:02:35,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:02:35,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:34" (1/1) ... [2024-11-24 18:02:35,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:02:35,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:02:35,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:02:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-24 18:02:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:02:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:02:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:02:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:02:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:02:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-24 18:02:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:02:35,328 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:02:35,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:02:36,014 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-24 18:02:36,014 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:02:36,195 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:02:36,199 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 18:02:36,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:36 BoogieIcfgContainer [2024-11-24 18:02:36,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:02:36,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:02:36,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:02:36,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:02:36,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:36" (1/1) ... [2024-11-24 18:02:36,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:02:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-24 18:02:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-24 18:02:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:02:36,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:36,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:36,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:36,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:36,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:02:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:36,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:37,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:02:37,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:02:37,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:02:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-24 18:02:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-24 18:02:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:02:38,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:38,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:38,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:38,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:02:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:39,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:39,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:02:39,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:02:39,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:02:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-24 18:02:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-24 18:02:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:02:40,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:40,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:40,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:40,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:40,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:02:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:40,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:40,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:02:40,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:02:40,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 18:02:42,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:02:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-24 18:02:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-24 18:02:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:02:44,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:44,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:44,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:02:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:45,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:45,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:02:45,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:02:45,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-24 18:02:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-24 18:02:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-24 18:02:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:02:46,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:46,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:46,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:46,360 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:46,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:02:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:47,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:47,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:02:47,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:02:47,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:02:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-24 18:02:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-24 18:02:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:02:48,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:48,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:48,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:48,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:48,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:02:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:49,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:49,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:02:49,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:02:49,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 18:02:53,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:02:53,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-24 18:02:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-24 18:02:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:02:53,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:53,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:53,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:53,558 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:02:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:54,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:55,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:02:55,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:02:55,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 18:02:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-24 18:02:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-24 18:02:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:02:55,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:55,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:55,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:55,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:55,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:02:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:57,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:57,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:02:57,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 18:02:57,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 18:02:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-24 18:02:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-24 18:02:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:02:58,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:58,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:58,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:58,434 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:58,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:02:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:59,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:03:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:00,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:03:00,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:03:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:03:00,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 18:03:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-24 18:03:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-24 18:03:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 18:03:03,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:03:03,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:03:03,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:03:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:05,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:03:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:06,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:03:06,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:03:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:03:06,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-24 18:03:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-24 18:03:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-24 18:03:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:03:07,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:07,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:03:07,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:03:07,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:03:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:08,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:03:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:09,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:03:09,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:03:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-24 18:03:09,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:03:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-24 18:03:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-24 18:03:13,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:03:13,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:13,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:03:13,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:03:13,565 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:03:13,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32c6866-599c-4639-9f06-ff0f91993776/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:03:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:03:18,968 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:03:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat