./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:54:21,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:54:21,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:54:21,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:54:21,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:54:21,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:54:21,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:54:21,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:54:21,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:54:21,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:54:21,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:54:21,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:54:21,406 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:54:21,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:54:21,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:54:21,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:54:21,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:54:21,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:54:21,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:54:21,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:54:21,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:54:21,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:54:21,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:54:21,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:54:21,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:54:21,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:54:21,409 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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 -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2024-12-06 04:54:21,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:54:21,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:54:21,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:54:21,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:54:21,750 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:54:21,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 04:54:24,428 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/821a6b799/6547879b54e04febbd3164262716a9d8/FLAG2fd35018d [2024-12-06 04:54:24,744 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:54:24,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 04:54:24,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/821a6b799/6547879b54e04febbd3164262716a9d8/FLAG2fd35018d [2024-12-06 04:54:24,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/821a6b799/6547879b54e04febbd3164262716a9d8 [2024-12-06 04:54:24,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:54:24,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:54:24,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:54:24,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:54:24,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:54:24,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:24" (1/1) ... [2024-12-06 04:54:24,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22696329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:24, skipping insertion in model container [2024-12-06 04:54:24,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:24" (1/1) ... [2024-12-06 04:54:24,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:54:26,354 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-12-06 04:54:26,745 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:54:26,753 INFO L158 Benchmark]: Toolchain (without parser) took 1961.81ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 83.7MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:54:26,753 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:54:26,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1959.24ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 83.7MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:54:26,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1959.24ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 83.7MB 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:54:29,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:54:29,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:54:29,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:54:29,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:54:29,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:54:29,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:54:29,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:54:29,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:54:29,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:54:29,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:54:29,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:54:29,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:54:29,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:54:29,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:54:29,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:29,260 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:54:29,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:54:29,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:54:29,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:54:29,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:54:29,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:54:29,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:54:29,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:29,261 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:54:29,261 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/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 -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2024-12-06 04:54:29,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:54:29,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:54:29,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:54:29,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:54:29,575 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:54:29,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 04:54:32,476 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/eb92419ec/0ef10eddb67845028f1a49c0aa8e75ba/FLAG748f3c588 [2024-12-06 04:54:32,756 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:54:32,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 04:54:32,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/eb92419ec/0ef10eddb67845028f1a49c0aa8e75ba/FLAG748f3c588 [2024-12-06 04:54:33,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/data/eb92419ec/0ef10eddb67845028f1a49c0aa8e75ba [2024-12-06 04:54:33,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:54:33,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:54:33,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:54:33,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:54:33,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:54:33,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:33" (1/1) ... [2024-12-06 04:54:33,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5950dfd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:33, skipping insertion in model container [2024-12-06 04:54:33,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:33" (1/1) ... [2024-12-06 04:54:33,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:54:33,964 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-12-06 04:54:34,193 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:54:34,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:54:34,249 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:54:34,299 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_bbfa841b-7c5b-4b39-b321-741cde62c7ba/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-12-06 04:54:34,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:54:34,564 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:54:34,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34 WrapperNode [2024-12-06 04:54:34,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:54:34,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:54:34,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:54:34,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:54:34,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,663 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-12-06 04:54:34,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:54:34,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:54:34,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:54:34,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:54:34,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:54:34,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:54:34,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:54:34,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:54:34,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:34" (1/1) ... [2024-12-06 04:54:34,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:54:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:54:34,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:54:34,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:54:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 04:54:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 04:54:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:54:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 04:54:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 04:54:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 04:54:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 04:54:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 04:54:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 04:54:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 04:54:34,968 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:54:34,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:54:56,728 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 04:54:56,729 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:54:57,070 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:54:57,071 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 04:54:57,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:54:57 BoogieIcfgContainer [2024-12-06 04:54:57,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:54:57,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:54:57,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:54:57,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:54:57,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:54:57" (1/1) ... [2024-12-06 04:54:57,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:54:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 04:54:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 04:54:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:54:57,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:57,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:57,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:57,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:57,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:55:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:07,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:55:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:55:07,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:55:07,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:55:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:55:08,208 INFO L224 Elim1Store]: Index analysis took 198 ms [2024-12-06 04:55:10,361 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 04:55:10,362 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 2 case distinctions, treesize of input 134 treesize of output 140 [2024-12-06 04:55:10,449 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:10,680 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 10 treesize of output 8 [2024-12-06 04:55:11,174 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:55:16,326 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 04:55:16,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 04:55:16,381 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:16,693 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 10 treesize of output 8 [2024-12-06 04:55:16,695 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:55:19,586 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 04:55:19,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 04:55:19,613 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:19,823 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 10 treesize of output 8 [2024-12-06 04:55:19,825 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:55:20,143 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:56:05,919 WARN L286 SmtUtils]: Spent 43.66s on a formula simplification. DAG size of input: 163 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:56:08,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:56:08,454 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 [2024-12-06 04:56:09,190 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 [2024-12-06 04:56:09,326 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:56:09,327 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 04:56:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:09,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:56:21,409 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] [2024-12-06 04:56:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 04:56:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 04:56:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:56:24,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:24,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:24,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:56:24,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:56:24,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:56:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:25,593 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:56:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:25,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:56:25,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:56:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:29,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:56:46,004 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] [2024-12-06 04:57:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:57:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 04:57:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 04:57:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:57:05,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:57:05,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:57:05,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:57:05,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:57:05,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:57:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:57:06,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:57:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:57:07,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:57:07,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:57:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:57:11,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:57:31,630 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] [2024-12-06 04:58:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:58:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 04:58:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 04:58:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:58:03,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:58:03,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:58:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:58:03,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:58:03,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:58:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:04,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:05,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:58:05,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:58:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:58:05,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:58:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:58:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 04:58:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 04:58:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:58:25,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:58:25,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:58:25,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:58:25,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:58:25,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:58:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:26,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:58:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:27,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:58:27,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:58:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:58:29,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:58:30,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:58:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:58:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 04:58:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 04:58:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:58:50,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:58:50,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:58:50,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:58:50,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:58:50,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:58:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:51,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:58:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:58:52,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:58:52,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:58:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:58:52,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:59:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 04:59:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 04:59:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:59:03,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:03,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:03,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:03,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:04,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:05,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:59:05,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 04:59:06,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 04:59:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 165 transitions. [2024-12-06 04:59:11,955 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2024-12-06 04:59:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:59:11,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:11,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:11,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:11,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:59:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:12,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:13,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:59:13,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 04:59:14,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:59:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 147 transitions. [2024-12-06 04:59:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2024-12-06 04:59:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:59:19,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:19,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:19,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:19,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:59:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:20,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:21,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:59:21,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:59:37,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:59:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 89 states and 152 transitions. [2024-12-06 04:59:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2024-12-06 04:59:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:59:53,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:53,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:59:53,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:59:53,998 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:59:53,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:59:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:55,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:59:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:55,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:59:55,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:59:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 04:59:56,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:00:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 166 transitions. [2024-12-06 05:00:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2024-12-06 05:00:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 05:00:24,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:24,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:24,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:24,474 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:00:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:25,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:26,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:00:26,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:00:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:00:26,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:00:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 95 states and 165 transitions. [2024-12-06 05:00:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2024-12-06 05:00:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:00:26,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:26,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:26,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:26,712 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:26,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:00:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:27,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:28,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:00:28,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:00:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:00:29,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:00:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 167 transitions. [2024-12-06 05:00:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2024-12-06 05:00:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:00:47,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:47,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:47,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:47,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:00:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:49,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:49,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:00:49,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:01:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:01:05,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:01:36,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:02:04,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:03:28,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:03:29,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:03:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 107 states and 198 transitions. [2024-12-06 05:03:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-12-06 05:03:32,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:03:32,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:32,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:32,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:32,360 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:32,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:03:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:33,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:33,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:03:33,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:03:34,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 05:04:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 199 transitions. [2024-12-06 05:04:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-06 05:04:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:04:14,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:14,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:14,336 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:14,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:04:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:16,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:16,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:04:16,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:04:50,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 05:06:05,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:32,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:38,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:09:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 247 transitions. [2024-12-06 05:09:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2024-12-06 05:09:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 05:09:21,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:21,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:21,047 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:21,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfa841b-7c5b-4b39-b321-741cde62c7ba/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:09:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:22,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:23,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:09:23,199 INFO L279 TraceCheckSpWp]: Computing forward predicates...