./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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 a74415bdda5cc686d9b99dfa65102de8cd2888225594cf90c2234422221644b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:26,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:26,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:12:26,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:12:26,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:12:26,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:26,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:26,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:26,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:26,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:26,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:26,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:26,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:26,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:26,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:26,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:12:26,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:12:26,971 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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 -> a74415bdda5cc686d9b99dfa65102de8cd2888225594cf90c2234422221644b1 [2024-12-06 05:12:27,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:27,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:27,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:27,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:27,223 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:27,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 05:12:29,855 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/76d580bae/f4b0e9af3f6d44cca4438ad8de6448e6/FLAGc3e51b084 [2024-12-06 05:12:30,161 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:30,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 05:12:30,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/76d580bae/f4b0e9af3f6d44cca4438ad8de6448e6/FLAGc3e51b084 [2024-12-06 05:12:30,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/76d580bae/f4b0e9af3f6d44cca4438ad8de6448e6 [2024-12-06 05:12:30,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:30,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:30,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:30,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:30,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:30,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:30" (1/1) ... [2024-12-06 05:12:30,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42925d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:30, skipping insertion in model container [2024-12-06 05:12:30,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:30" (1/1) ... [2024-12-06 05:12:30,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:31,260 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i[71400,71413] [2024-12-06 05:12:31,459 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:12:31,465 INFO L158 Benchmark]: Toolchain (without parser) took 1060.42ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 83.2MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:12:31,465 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:31,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.82ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 83.2MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:12:31,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.82ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 83.2MB in the end (delta: 28.1MB). 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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 a74415bdda5cc686d9b99dfa65102de8cd2888225594cf90c2234422221644b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:33,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:33,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:12:33,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:33,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:33,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:33,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:33,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:33,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:12:33,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:33,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:33,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:12:33,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:33,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:33,294 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:12:33,295 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/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 -> a74415bdda5cc686d9b99dfa65102de8cd2888225594cf90c2234422221644b1 [2024-12-06 05:12:33,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:33,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:33,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:33,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:33,552 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:33,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 05:12:36,260 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/cfc2ace12/9b03d09b2da94843808f7252a6239a4e/FLAGfdc4e3924 [2024-12-06 05:12:36,571 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:36,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i [2024-12-06 05:12:36,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/cfc2ace12/9b03d09b2da94843808f7252a6239a4e/FLAGfdc4e3924 [2024-12-06 05:12:36,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/data/cfc2ace12/9b03d09b2da94843808f7252a6239a4e [2024-12-06 05:12:36,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:36,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:36,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:36,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:36,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:36,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:36" (1/1) ... [2024-12-06 05:12:36,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e9453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:36, skipping insertion in model container [2024-12-06 05:12:36,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:36" (1/1) ... [2024-12-06 05:12:36,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:37,444 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i[71400,71413] [2024-12-06 05:12:37,686 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 05:12:37,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:37,744 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:37,796 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_9b4ae813-e407-4c41-b1d4-a4bd904f8063/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_0_safe.c-amalgamation.i[71400,71413] [2024-12-06 05:12:37,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:38,073 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:38,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38 WrapperNode [2024-12-06 05:12:38,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:38,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:38,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:38,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:38,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,168 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-12-06 05:12:38,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:38,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:38,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:38,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:38,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,209 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:38,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:38,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:38,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:38,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:38" (1/1) ... [2024-12-06 05:12:38,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:38,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:38,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:38,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 05:12:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 05:12:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 05:12:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 05:12:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 05:12:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 05:12:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:12:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 05:12:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 05:12:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 05:12:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:12:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 05:12:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:12:38,469 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:38,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:57,095 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 05:12:57,095 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:57,313 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:12:57,313 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 05:12:57,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:57 BoogieIcfgContainer [2024-12-06 05:12:57,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:12:57,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:12:57,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:12:57,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:12:57,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:12:57" (1/1) ... [2024-12-06 05:12:57,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:12:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:12:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 05:12:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 05:12:57,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:12:57,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:12:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:12:57,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:12:57,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:13:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:02,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:03,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 05:13:03,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:13:04,545 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 05:13:04,546 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 05:13:04,610 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:04,804 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 05:13:04,806 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:05,086 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:13:06,471 INFO L224 Elim1Store]: Index analysis took 126 ms [2024-12-06 05:13:07,901 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 05:13:07,901 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 05:13:07,948 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:08,157 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 05:13:08,441 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:13:10,944 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 05:13:10,944 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 05:13:10,978 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:11,155 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 05:13:11,156 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:13:11,342 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:14:04,015 WARN L286 SmtUtils]: Spent 52.24s on a formula simplification. DAG size of input: 162 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:14:05,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:14:05,180 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 05:14:05,468 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 05:14:05,557 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:14:05,558 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 05:14:06,007 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 05:14:06,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:14:17,153 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 05:14:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 05:14:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 05:14:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:14:20,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:20,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:20,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:20,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:20,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:14:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:21,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:21,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:14:21,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:23,004 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 05:14:23,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:14:38,055 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 05:14:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 05:14:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 05:14:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:14:49,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:49,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:49,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:49,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:49,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:14:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:50,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:50,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:14:50,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:54,185 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 05:14:54,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:15:11,838 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 05:15:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 05:15:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 05:15:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:15:33,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:33,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:33,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:33,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:15:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:34,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:34,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:15:34,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:34,635 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 05:15:34,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:15:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 05:15:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 05:15:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:15:44,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:44,672 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:44,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:15:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:45,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:45,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:15:45,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:47,768 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 05:15:47,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:15:49,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:16:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 05:16:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 05:16:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:16:01,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:01,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:01,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:01,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:16:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:02,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:03,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:16:03,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:03,324 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 05:16:03,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:16:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 05:16:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 05:16:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:16:09,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:09,223 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:09,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:16:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:10,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:10,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:16:10,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:11,024 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 05:16:11,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:16:14,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 165 transitions. [2024-12-06 05:16:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2024-12-06 05:16:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:16:14,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:14,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:14,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:14,218 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:14,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:16:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:15,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:15,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:16:15,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:16,059 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 05:16:16,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:16:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 147 transitions. [2024-12-06 05:16:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2024-12-06 05:16:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:16:18,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:18,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:18,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:18,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:16:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:20,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:20,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:16:20,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:16:35,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:16:58,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:17:37,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:18:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 119 states and 224 transitions. [2024-12-06 05:18:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 224 transitions. [2024-12-06 05:18:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:18:17,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:17,942 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:17,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:18:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:19,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:19,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:18:19,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:18:22,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 05:18:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 123 states and 237 transitions. [2024-12-06 05:18:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 237 transitions. [2024-12-06 05:18:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:18:57,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:57,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:57,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:57,946 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:18:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:59,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:59,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:18:59,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:19:02,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:19:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 125 states and 242 transitions. [2024-12-06 05:19:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 242 transitions. [2024-12-06 05:19:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:19:19,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:19,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:19,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:19,323 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:19:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:20,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:20,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:19:20,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:19:33,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:20:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:20:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 140 states and 287 transitions. [2024-12-06 05:20:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 287 transitions. [2024-12-06 05:20:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:20:45,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:20:45,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:20:45,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:20:45,974 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:20:45,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:20:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:47,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:20:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:20:47,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:20:47,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:20:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:20:50,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 05:21:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 144 states and 300 transitions. [2024-12-06 05:21:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 300 transitions. [2024-12-06 05:21:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:21:33,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:33,993 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:33,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:21:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:35,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:35,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:21:35,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:21:38,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:22:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 146 states and 305 transitions. [2024-12-06 05:22:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 305 transitions. [2024-12-06 05:22:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:22:00,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:00,672 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:22:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:02,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:02,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:22:02,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:22:17,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:22:23,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:22:25,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:23:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 162 states and 356 transitions. [2024-12-06 05:23:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 356 transitions. [2024-12-06 05:23:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:23:47,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:47,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:47,137 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:47,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:23:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:48,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:48,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:23:48,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:23:51,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 05:24:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:24:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 166 states and 369 transitions. [2024-12-06 05:24:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 369 transitions. [2024-12-06 05:24:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:24:43,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:24:43,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:24:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:24:43,371 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:24:43,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:24:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:44,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:24:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:24:45,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:24:45,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:24:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:24:47,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:25:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 168 states and 374 transitions. [2024-12-06 05:25:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 374 transitions. [2024-12-06 05:25:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:25:13,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:13,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:13,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:13,742 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:25:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:15,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:15,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:25:15,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:36,342 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 05:25:36,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 05:27:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 170 states and 381 transitions. [2024-12-06 05:27:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 381 transitions. [2024-12-06 05:27:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 05:27:08,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:08,217 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:08,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:27:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:09,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:10,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:27:10,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:10,548 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 05:27:10,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b4ae813-e407-4c41-b1d4-a4bd904f8063/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0