./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_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_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/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_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/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_f4c91b91-d65f-4201-a88b-ebc3485d9202/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 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:20:31,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:20:31,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:20:31,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:20:31,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:20:31,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:20:31,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:20:31,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:20:31,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:20:31,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:20:31,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:20:31,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:20:31,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:20:31,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:20:31,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:20:31,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:20:31,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:20:31,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:20:31,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:20:31,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:20:31,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:20:31,456 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:20:31,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:20:31,456 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/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 -> 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 [2024-12-06 05:20:31,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:20:31,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:20:31,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:20:31,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:20:31,699 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:20:31,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-12-06 05:20:34,343 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/824aa1a8d/de2452e16fff4a9dbe59273e51a3576f/FLAGac302528c [2024-12-06 05:20:34,629 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:20:34,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-12-06 05:20:34,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/824aa1a8d/de2452e16fff4a9dbe59273e51a3576f/FLAGac302528c [2024-12-06 05:20:34,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/824aa1a8d/de2452e16fff4a9dbe59273e51a3576f [2024-12-06 05:20:34,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:20:34,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:20:34,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:20:34,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:20:34,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:20:34,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:34" (1/1) ... [2024-12-06 05:20:34,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1defd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:34, skipping insertion in model container [2024-12-06 05:20:34,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:34" (1/1) ... [2024-12-06 05:20:34,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:20:35,557 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-12-06 05:20:35,766 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:20:35,773 INFO L158 Benchmark]: Toolchain (without parser) took 1102.29ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 59.7MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:20:35,773 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:20:35,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.25ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 59.7MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:20:35,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.25ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 59.7MB in the end (delta: 28.2MB). 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/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_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/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_f4c91b91-d65f-4201-a88b-ebc3485d9202/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 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:20:37,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:20:37,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:20:37,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:20:37,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:20:37,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:20:37,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:20:37,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:20:37,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:20:37,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:20:37,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:37,623 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:20:37,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:20:37,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:37,624 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:20:37,624 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/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 -> 628f0ae984c92840310b608a625c8e19fe55bdc1fda0914e92dfa2651b9e8927 [2024-12-06 05:20:37,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:20:37,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:20:37,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:20:37,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:20:37,871 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:20:37,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-12-06 05:20:40,562 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/f2dd04aa5/df1316f783ed44d3810bc60bf880c994/FLAG2beef07a6 [2024-12-06 05:20:40,871 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:20:40,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i [2024-12-06 05:20:40,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/f2dd04aa5/df1316f783ed44d3810bc60bf880c994/FLAG2beef07a6 [2024-12-06 05:20:41,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/data/f2dd04aa5/df1316f783ed44d3810bc60bf880c994 [2024-12-06 05:20:41,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:20:41,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:20:41,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:20:41,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:20:41,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:20:41,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:41" (1/1) ... [2024-12-06 05:20:41,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3bc14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:41, skipping insertion in model container [2024-12-06 05:20:41,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:41" (1/1) ... [2024-12-06 05:20:41,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:20:41,944 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-12-06 05:20:42,172 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 05:20:42,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:20:42,212 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:20:42,251 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_f4c91b91-d65f-4201-a88b-ebc3485d9202/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424] [2024-12-06 05:20:42,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:20:42,540 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:20:42,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42 WrapperNode [2024-12-06 05:20:42,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:20:42,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:20:42,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:20:42,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:20:42,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,649 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2024-12-06 05:20:42,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:20:42,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:20:42,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:20:42,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:20:42,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:20:42,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:20:42,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:20:42,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:20:42,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:42" (1/1) ... [2024-12-06 05:20:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:20:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:20:42,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:20:42,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 05:20:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:20:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 05:20:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:20:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 05:20:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:20:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 05:20:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 05:20:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:20:42,939 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:20:42,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:21:01,474 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 05:21:01,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:21:01,734 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:21:01,735 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 05:21:01,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:01 BoogieIcfgContainer [2024-12-06 05:21:01,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:21:01,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:21:01,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:21:01,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:21:01,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:01" (1/1) ... [2024-12-06 05:21:01,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:21:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 05:21:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 05:21:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:21:01,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:01,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:21:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:11,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:12,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 05:21:12,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:21:12,752 INFO L224 Elim1Store]: Index analysis took 162 ms [2024-12-06 05:21:14,479 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 05:21:14,480 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 05:21:14,552 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:14,751 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 05:21:15,084 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:21:17,204 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 05:21:17,204 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 05:21:17,237 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:17,448 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 05:21:17,449 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:17,712 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:21:19,851 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 05:21:19,852 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 05:21:19,873 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:20,067 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 05:21:20,068 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:21:20,294 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:22:15,176 WARN L286 SmtUtils]: Spent 52.75s on a formula simplification. DAG size of input: 164 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:22:16,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:22:16,990 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 05:22:17,415 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 05:22:17,540 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:22:17,541 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 05:22:18,157 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 05:22:18,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:22:29,540 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 05:22:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 05:22:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 05:22:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:22:33,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:33,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:33,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:33,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:33,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:22:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:33,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:34,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:22:34,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:36,187 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 05:22:36,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 05:22:52,395 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 05:23:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 05:23:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 05:23:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:23:06,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:06,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:06,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:06,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:06,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:23:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:06,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:07,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:23:07,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:11,169 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 05:23:11,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:23:30,072 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 05:23:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 05:23:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 05:23:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:23:55,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:55,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:55,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:23:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:56,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:56,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:23:56,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:56,900 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 05:23:56,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:24:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 141 transitions. [2024-12-06 05:24:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2024-12-06 05:24:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:24:02,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:02,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:02,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:02,867 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:02,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:24:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:03,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:03,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:24:03,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:04,321 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 05:24:04,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:24:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 05:24:10,308 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 05:24:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:24:10,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:10,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:10,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:24:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:11,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:11,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:24:11,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:13,686 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 05:24:13,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:24:15,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:24:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 05:24:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 05:24:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:24:31,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:31,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:31,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:31,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:31,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:24:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:32,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:32,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:24:32,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:32,631 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 05:24:32,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:24:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 05:24:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 05:24:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:24:40,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:40,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:40,186 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:40,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:24:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:41,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:41,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:24:41,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:51,877 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 05:24:51,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:25:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 162 transitions. [2024-12-06 05:25:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 162 transitions. [2024-12-06 05:25:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 05:25:03,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:03,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:03,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:03,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:03,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:25:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:04,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:04,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:25:04,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:05,518 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 05:25:05,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:25:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 97 states and 177 transitions. [2024-12-06 05:25:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2024-12-06 05:25:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 05:25:31,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:31,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:31,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:31,014 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:31,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:25:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:31,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:32,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:25:32,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:32,749 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 05:25:32,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:25:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 97 states and 176 transitions. [2024-12-06 05:25:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 176 transitions. [2024-12-06 05:25:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:25:32,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:32,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:32,955 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:32,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:25:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:34,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:34,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:25:34,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:35,032 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 05:25:35,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:25:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 99 states and 179 transitions. [2024-12-06 05:25:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2024-12-06 05:25:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:25:51,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:51,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:51,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:51,535 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:51,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:25:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:53,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:53,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:25:53,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:26:07,973 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 05:26:07,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:26:36,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:26:46,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s 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 05:27:04,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:28:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 211 transitions. [2024-12-06 05:28:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2024-12-06 05:28:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:28:26,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:26,469 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:28:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:27,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:28,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:28:28,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 05:28:28,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 05:28:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 114 states and 219 transitions. [2024-12-06 05:28:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2024-12-06 05:28:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:28:35,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:35,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:35,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:35,172 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:35,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:28:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:36,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:36,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:28:36,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 05:28:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:28:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 107 states and 198 transitions. [2024-12-06 05:28:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-12-06 05:28:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:28:43,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:43,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:43,500 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:43,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:28:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:44,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:28:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:45,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:28:45,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:28:45,407 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 05:28:45,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:29:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 199 transitions. [2024-12-06 05:29:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-06 05:29:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 05:29:24,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:29:24,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:29:24,193 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:29:24,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:29:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:26,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:29:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:26,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:29:26,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:29:58,824 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 05:29:58,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 05:31:07,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:33:19,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:33:25,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:34:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 247 transitions. [2024-12-06 05:34:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2024-12-06 05:34:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 05:34:02,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:02,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:34:02,457 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:34:02,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:34:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:03,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:34:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:04,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:34:04,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:35:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:35:10,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4c91b91-d65f-4201-a88b-ebc3485d9202/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0