./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:31,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:31,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:48:31,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:48:31,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:48:31,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:31,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:31,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:31,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:31,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:31,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:31,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:31,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:48:31,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:31,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:31,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:31,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:31,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:48:31,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:48:31,907 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_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983 [2024-11-13 21:48:32,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:32,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:32,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:32,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:32,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:32,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i [2024-11-13 21:48:32,989 INFO L533 CDTParser]: Created temporary CDT project at NULL Unable to find full path for "g++" Unable to find full path for "g++" [2024-11-13 21:48:35,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:35,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i [2024-11-13 21:48:35,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/ef49ed167/096cff8d7b044a57a9390a446d026b8c/FLAGc74a1c044 [2024-11-13 21:48:35,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/ef49ed167/096cff8d7b044a57a9390a446d026b8c [2024-11-13 21:48:35,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:35,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:35,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:35,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:35,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:35,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:35" (1/1) ... [2024-11-13 21:48:35,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cd958a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:35, skipping insertion in model container [2024-11-13 21:48:35,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:35" (1/1) ... [2024-11-13 21:48:35,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:36,727 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1761) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:48:36,734 INFO L158 Benchmark]: Toolchain (without parser) took 814.77ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:48:36,735 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:48:36,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:48:36,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.28ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.1MB 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_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:39,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:39,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:48:39,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:39,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:39,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:39,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:39,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:39,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:39,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:39,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:48:39,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:48:39,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:39,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:39,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:39,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:39,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:39,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:39,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:39,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:39,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:39,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:39,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:48:39,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:39,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:39,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:39,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:39,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:39,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:48:39,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:39,481 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:48:39,481 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_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983 [2024-11-13 21:48:39,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:39,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:39,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:39,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:39,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:39,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:48:41,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:48:42,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:42,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i [2024-11-13 21:48:42,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/64a265ae2/5105148ea3284066be507805c5ce6677/FLAG62463aca9 [2024-11-13 21:48:42,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/data/64a265ae2/5105148ea3284066be507805c5ce6677 [2024-11-13 21:48:42,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:42,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:42,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:42,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:42,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:42,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:42" (1/1) ... [2024-11-13 21:48:42,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2f2f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:42, skipping insertion in model container [2024-11-13 21:48:42,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:42" (1/1) ... [2024-11-13 21:48:42,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:43,278 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_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i[63382,63395] [2024-11-13 21:48:43,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:43,295 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:48:43,361 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_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i[63382,63395] [2024-11-13 21:48:43,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:43,532 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:48:43,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43 WrapperNode [2024-11-13 21:48:43,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:43,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:43,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:48:43,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:48:43,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,612 INFO L138 Inliner]: procedures = 562, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-13 21:48:43,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:43,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:48:43,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:48:43,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:48:43,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:48:43,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:48:43,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:48:43,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:48:43,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:43" (1/1) ... [2024-11-13 21:48:43,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:43,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:48:43,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:48:43,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:48:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:48:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:48:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:48:43,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:48:43,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:48:45,235 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 21:48:45,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:48:45,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:48:45,328 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:48:45,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:45 BoogieIcfgContainer [2024-11-13 21:48:45,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:48:45,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:48:45,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:48:45,341 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:48:45,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:45" (1/1) ... [2024-11-13 21:48:45,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:48:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 21:48:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 21:48:45,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:48:45,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:45,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:45,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:48:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:45,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:45,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:48:45,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:48:46,043 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:48:46,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:48:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 21:48:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 21:48:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:48:46,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:46,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:46,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:46,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:48:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:46,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:46,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:48:46,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:48:46,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:48:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 21:48:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 21:48:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:48:47,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:47,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:47,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:47,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:47,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:48:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:47,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:48,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:48:48,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:48:48,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:48:50,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:48:51,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:48:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-13 21:48:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-13 21:48:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:48:51,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:51,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:51,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:51,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:48:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:52,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:52,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:52,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:48:52,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:48:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 21:48:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 21:48:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:48:53,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:53,111 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:53,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:48:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:53,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:53,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:53,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:48:54,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:48:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-13 21:48:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-13 21:48:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:48:54,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:54,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:54,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:54,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:54,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:48:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:55,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:55,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:55,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:48:55,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:48:57,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:48:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:48:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:48:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:48:58,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:58,807 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:58,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:48:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:59,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:00,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:49:00,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:49:00,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:49:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-13 21:49:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-13 21:49:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:49:00,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:00,876 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:49:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:01,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:02,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:49:02,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:49:02,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:49:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 21:49:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 21:49:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:49:03,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:03,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:03,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:03,037 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:49:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:04,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:04,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:49:04,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:49:04,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:49:05,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:49:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 21:49:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 21:49:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:49:08,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:08,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:08,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:08,717 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:08,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:49:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:10,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:10,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:49:10,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:49:10,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:49:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:49:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:49:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:49:11,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:11,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:11,703 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:11,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:49:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:13,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:13,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:49:13,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 21:49:13,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:49:17,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:49:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 21:49:18,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 21:49:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:49:18,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:18,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:18,764 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:18,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f8d0b4-7c8c-42e3-aeb8-3007d43e7fa9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:49:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:22,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat