./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b --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 2ed83590535b938167dd27e180a37597ec687476af72da8b559de80c3fd01fc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:58:14,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:58:15,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:58:15,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:58:15,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:58:15,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:58:15,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:58:15,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:58:15,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:58:15,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:58:15,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:58:15,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:58:15,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:58:15,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:58:15,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:58:15,038 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:58:15,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:58:15,039 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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b 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 -> 2ed83590535b938167dd27e180a37597ec687476af72da8b559de80c3fd01fc6 [2024-12-05 22:58:15,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:58:15,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:58:15,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:58:15,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:58:15,279 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:58:15,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-05 22:58:17,916 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/e35662c98/36835f9dfe3e4485a08f8372a35ea68f/FLAGf2db7c583 [2024-12-05 22:58:18,205 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:58:18,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-05 22:58:18,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/e35662c98/36835f9dfe3e4485a08f8372a35ea68f/FLAGf2db7c583 [2024-12-05 22:58:18,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/e35662c98/36835f9dfe3e4485a08f8372a35ea68f [2024-12-05 22:58:18,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:58:18,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:58:18,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:58:18,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:58:18,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:58:18,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:18" (1/1) ... [2024-12-05 22:58:18,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb0e69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:18, skipping insertion in model container [2024-12-05 22:58:18,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:18" (1/1) ... [2024-12-05 22:58:18,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:58:19,023 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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i[71397,71410] [2024-12-05 22:58:19,217 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: fabs 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.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:783) 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:783) 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:783) 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:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) 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.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:58:19,222 INFO L158 Benchmark]: Toolchain (without parser) took 981.92ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 59.8MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:58:19,223 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:58:19,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 980.03ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 59.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:58:19,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 980.03ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 59.8MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b --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 2ed83590535b938167dd27e180a37597ec687476af72da8b559de80c3fd01fc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:58:20,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:58:21,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:58:21,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:58:21,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:58:21,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:58:21,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:58:21,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:58:21,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:58:21,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:58:21,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:58:21,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:58:21,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:21,067 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:58:21,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b 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 -> 2ed83590535b938167dd27e180a37597ec687476af72da8b559de80c3fd01fc6 [2024-12-05 22:58:21,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:58:21,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:58:21,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:58:21,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:58:21,301 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:58:21,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-05 22:58:23,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/cdc013d52/a24ab314c0bf4a07809742a364c2be81/FLAGe88c9ce87 [2024-12-05 22:58:24,284 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:58:24,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-05 22:58:24,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/cdc013d52/a24ab314c0bf4a07809742a364c2be81/FLAGe88c9ce87 [2024-12-05 22:58:24,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/data/cdc013d52/a24ab314c0bf4a07809742a364c2be81 [2024-12-05 22:58:24,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:58:24,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:58:24,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:58:24,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:58:24,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:58:24,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:24" (1/1) ... [2024-12-05 22:58:24,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5be5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:24, skipping insertion in model container [2024-12-05 22:58:24,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:24" (1/1) ... [2024-12-05 22:58:24,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:58:25,148 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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i[71397,71410] [2024-12-05 22:58:25,383 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:58:25,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:58:25,443 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:58:25,492 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_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_0_unsafe.c-amalgamation.i[71397,71410] [2024-12-05 22:58:25,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:58:25,791 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:58:25,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25 WrapperNode [2024-12-05 22:58:25,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:58:25,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:58:25,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:58:25,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:58:25,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,886 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 394 [2024-12-05 22:58:25,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:58:25,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:58:25,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:58:25,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:58:25,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,925 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:58:25,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:58:25,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:58:25,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:58:25,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:58:25,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:58:25,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:58:25,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:58:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 22:58:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-05 22:58:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-05 22:58:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:58:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-05 22:58:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-05 22:58:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:58:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:58:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-05 22:58:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 22:58:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:58:26,170 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:58:26,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:58:44,403 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-05 22:58:44,403 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:58:44,669 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:58:44,669 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-05 22:58:44,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:44 BoogieIcfgContainer [2024-12-05 22:58:44,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:58:44,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:58:44,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:58:44,680 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:58:44,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:44" (1/1) ... [2024-12-05 22:58:44,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:58:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-05 22:58:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-05 22:58:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:58:44,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:44,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:44,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:44,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:58:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:48,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:49,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 22:58:49,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:49,472 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 22:58:49,485 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 22:58:49,507 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-05 22:58:49,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:49,742 INFO L224 Elim1Store]: Index analysis took 118 ms [2024-12-05 22:58:49,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2024-12-05 22:58:49,878 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:58:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:50,236 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-05 22:58:50,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2024-12-05 22:58:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:50,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:50,663 INFO L224 Elim1Store]: Index analysis took 161 ms [2024-12-05 22:58:51,378 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-12-05 22:58:51,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2024-12-05 22:58:51,425 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:58:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:51,808 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-05 22:58:51,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2024-12-05 22:58:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:52,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2024-12-05 22:58:52,672 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:58:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:58:52,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-05 22:58:57,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:58:57,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-12-05 22:58:58,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-05 22:58:58,274 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:58:58,276 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-05 22:58:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:58:58,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:59:10,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:59:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-05 22:59:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-05 22:59:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:59:14,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:14,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:14,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:14,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:59:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:15,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:15,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:59:15,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:59:17,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:59:34,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:59:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-05 22:59:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-05 22:59:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:59:49,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:49,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:49,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:49,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:59:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:50,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:50,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:59:50,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:59:55,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:00:15,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:00:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-05 23:00:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-05 23:00:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:00:45,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:45,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:45,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:45,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:45,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:00:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:45,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:46,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:00:46,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:00:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 141 transitions. [2024-12-05 23:00:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2024-12-05 23:00:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:00:53,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:53,669 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:00:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:54,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:54,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:00:54,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:00:55,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:01:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-05 23:01:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-05 23:01:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:01:02,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:02,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:02,368 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:02,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:01:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:03,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:03,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:01:03,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:01:06,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:01:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-05 23:01:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-05 23:01:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:01:25,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:25,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:25,940 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:25,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:01:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:26,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:27,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:01:27,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:01:27,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:01:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-05 23:01:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-05 23:01:36,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:01:36,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:36,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:36,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:36,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:36,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:01:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:37,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:37,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:01:37,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:02:00,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:02:27,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:03:20,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:03:21,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:04:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 121 states and 235 transitions. [2024-12-05 23:04:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 235 transitions. [2024-12-05 23:04:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:04:20,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:20,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:04:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:21,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:21,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:04:21,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 23:04:22,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 23:04:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 126 states and 245 transitions. [2024-12-05 23:04:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2024-12-05 23:04:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:04:29,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:29,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:29,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:29,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:29,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:04:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:30,392 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:30,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:04:30,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 23:04:31,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:04:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 119 states and 224 transitions. [2024-12-05 23:04:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 224 transitions. [2024-12-05 23:04:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:04:37,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:37,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:37,581 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:37,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:04:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:38,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:39,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:04:39,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:04:43,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:05:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 123 states and 237 transitions. [2024-12-05 23:05:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 237 transitions. [2024-12-05 23:05:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:05:39,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:39,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:39,583 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:39,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:05:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:41,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:05:41,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:05:45,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 23:06:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 125 states and 242 transitions. [2024-12-05 23:06:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 242 transitions. [2024-12-05 23:06:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:06:14,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:14,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:14,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:14,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:14,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:06:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:15,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:16,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:06:16,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:06:36,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:08:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 140 states and 287 transitions. [2024-12-05 23:08:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 287 transitions. [2024-12-05 23:08:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:08:21,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:21,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:21,736 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:21,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:08:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:22,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:23,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:08:23,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:08:27,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-05 23:09:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 144 states and 300 transitions. [2024-12-05 23:09:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 300 transitions. [2024-12-05 23:09:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 23:09:31,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:31,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:09:31,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:09:31,680 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:09:31,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:09:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:32,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:09:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:33,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:09:33,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:09:37,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-05 23:10:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 146 states and 305 transitions. [2024-12-05 23:10:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 305 transitions. [2024-12-05 23:10:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 23:10:09,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:09,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:10:09,513 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:10:09,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:10:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:10,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:10:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:11,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:10:11,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:10:33,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:10:42,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:43,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 162 states and 356 transitions. [2024-12-05 23:12:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 356 transitions. [2024-12-05 23:12:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 23:12:42,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:42,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:42,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:42,407 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:42,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:12:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:43,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:44,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:12:44,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:12:48,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94cd4ee4-e17c-4ce8-acd2-f44d9ae09bdf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0