./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:00:51,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:00:51,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:00:51,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:00:51,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:00:51,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:00:51,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:00:51,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:00:51,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:00:51,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:00:51,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:00:51,621 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:00:51,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:00:51,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:51,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:00:51,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:00:51,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:00:51,622 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:00:51,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:00:51,622 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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 -> 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 [2024-12-06 05:00:51,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:00:51,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:00:51,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:00:51,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:00:51,848 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:00:51,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-06 05:00:54,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/249cac869/c2ee9a6c0f2c46c4b199e5779beb7084/FLAGc4e8902d1 [2024-12-06 05:00:54,778 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:00:54,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-06 05:00:54,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/249cac869/c2ee9a6c0f2c46c4b199e5779beb7084/FLAGc4e8902d1 [2024-12-06 05:00:55,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/249cac869/c2ee9a6c0f2c46c4b199e5779beb7084 [2024-12-06 05:00:55,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:00:55,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:00:55,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:00:55,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:00:55,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:00:55,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:55" (1/1) ... [2024-12-06 05:00:55,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e01137e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:55, skipping insertion in model container [2024-12-06 05:00:55,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:55" (1/1) ... [2024-12-06 05:00:55,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:00:55,990 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 05:00:56,229 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:00:56,235 INFO L158 Benchmark]: Toolchain (without parser) took 1216.72ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 83.7MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:00:56,236 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:00:56,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1214.79ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 83.7MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:00:56,237 INFO L338 ainManager$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 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1214.79ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 83.7MB in the end (delta: 27.6MB). 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:00:57,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:00:58,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:00:58,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:00:58,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:00:58,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:00:58,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:00:58,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:00:58,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:00:58,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:00:58,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:58,100 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:00:58,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:58,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:58,101 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:00:58,101 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/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 -> 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 [2024-12-06 05:00:58,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:00:58,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:00:58,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:00:58,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:00:58,352 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:00:58,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-06 05:01:01,056 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/093e61429/043a667168ac4d148b230f8fb0c9e76f/FLAGa8fe5815a [2024-12-06 05:01:01,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:01:01,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-06 05:01:01,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/093e61429/043a667168ac4d148b230f8fb0c9e76f/FLAGa8fe5815a [2024-12-06 05:01:01,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/data/093e61429/043a667168ac4d148b230f8fb0c9e76f [2024-12-06 05:01:01,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:01:01,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:01:01,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:01:01,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:01:01,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:01:01,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:01:01" (1/1) ... [2024-12-06 05:01:01,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73aec66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:01, skipping insertion in model container [2024-12-06 05:01:01,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:01:01" (1/1) ... [2024-12-06 05:01:01,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:01:02,504 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 05:01:02,754 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 05:01:02,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:01:02,815 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:01:02,871 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_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-12-06 05:01:02,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:01:03,170 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:01:03,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03 WrapperNode [2024-12-06 05:01:03,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:01:03,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:01:03,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:01:03,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:01:03,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,254 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-12-06 05:01:03,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:01:03,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:01:03,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:01:03,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:01:03,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:01:03,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:01:03,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:01:03,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:01:03,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:01:03" (1/1) ... [2024-12-06 05:01:03,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:01:03,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:01:03,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:01:03,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 05:01:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:01:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 05:01:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 05:01:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 05:01:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:01:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 05:01:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 05:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:01:03,557 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:01:03,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:01:21,925 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 05:01:21,925 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:01:22,150 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:01:22,151 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 05:01:22,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:01:22 BoogieIcfgContainer [2024-12-06 05:01:22,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:01:22,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:01:22,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:01:22,161 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:01:22,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:01:22" (1/1) ... [2024-12-06 05:01:22,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:01:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:01:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 05:01:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 05:01:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:01:22,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:01:22,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:01:22,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:01:22,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:01:22,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:01:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:01:29,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:01:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:01:30,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 05:01:30,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:01:30,792 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 05:01:30,830 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 05:01:30,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:31,512 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-12-06 05:01:31,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 69 [2024-12-06 05:01:31,572 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:01:31,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:32,229 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2024-12-06 05:01:32,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 98 [2024-12-06 05:01:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:34,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-12-06 05:01:34,508 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:01:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:35,116 INFO L349 Elim1Store]: treesize reduction 10, result has 52.4 percent of original size [2024-12-06 05:01:35,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 90 [2024-12-06 05:01:35,650 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 05:01:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:35,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-12-06 05:01:35,841 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 05:01:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:01:36,463 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2024-12-06 05:01:36,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 82 [2024-12-06 05:01:40,328 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 05:01:40,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:01:51,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:02:00,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.90s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:02:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-12-06 05:02:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-12-06 05:02:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:02:02,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:02,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:02:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:02:02,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:02:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:02:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:03,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:02:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:03,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:02:03,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:02:05,136 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 05:02:05,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:02:20,635 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 05:02:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:02:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-12-06 05:02:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-06 05:02:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:02:32,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:02:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:02:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:02:32,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:02:32,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:02:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:33,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:02:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:02:33,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:02:33,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:02:37,109 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 05:02:37,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:02:55,964 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 05:03:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-12-06 05:03:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-12-06 05:03:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:03:26,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:26,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:26,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:03:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:27,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:27,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:03:27,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:27,993 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 05:03:27,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:03:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-12-06 05:03:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-12-06 05:03:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:03:40,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:40,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:03:40,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:03:40,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:03:40,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:03:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:41,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:03:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:41,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:03:41,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:43,573 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 05:03:43,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:03:45,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:04:01,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 152 transitions. [2024-12-06 05:04:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2024-12-06 05:04:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:04:01,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:01,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:01,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:01,814 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:01,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:04:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:02,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:03,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:04:03,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:03,241 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 05:04:03,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:04:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-12-06 05:04:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-12-06 05:04:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:04:09,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:09,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:09,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:09,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:04:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:10,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:11,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:04:11,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:11,719 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 05:04:11,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:04:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:15,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 166 transitions. [2024-12-06 05:04:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2024-12-06 05:04:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:04:15,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:15,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:15,216 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:15,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:04:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:16,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:16,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:04:16,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:17,152 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 05:04:17,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:04:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 148 transitions. [2024-12-06 05:04:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 148 transitions. [2024-12-06 05:04:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:04:20,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:20,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:04:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:21,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:21,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:04:21,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:39,213 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 05:04:39,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:05:04,985 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 05:05:50,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:05:52,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:06:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:06:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 228 transitions. [2024-12-06 05:06:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 228 transitions. [2024-12-06 05:06:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:06:41,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:06:41,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:06:41,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:06:41,398 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:06:41,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:06:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:42,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:06:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:06:42,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:06:42,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:06:45,648 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 05:06:45,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 05:07:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 121 states and 242 transitions. [2024-12-06 05:07:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 242 transitions. [2024-12-06 05:07:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:07:28,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:28,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:28,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:28,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:07:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:29,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:29,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:07:29,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:32,506 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 05:07:32,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:07:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 122 states and 248 transitions. [2024-12-06 05:07:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 248 transitions. [2024-12-06 05:07:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:07:43,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:43,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:43,692 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:07:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:44,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:07:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:45,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:07:45,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:07:48,002 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 05:07:48,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:07:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 123 states and 249 transitions. [2024-12-06 05:07:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 249 transitions. [2024-12-06 05:07:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:07:58,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:58,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:07:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:07:58,986 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:07:58,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:08:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:00,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:08:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:08:00,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:08:00,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:08:14,722 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 05:08:14,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:09:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:09:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 138 states and 297 transitions. [2024-12-06 05:09:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 297 transitions. [2024-12-06 05:09:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:09:37,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:09:37,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:09:37,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:09:37,159 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:09:37,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:09:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:38,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:09:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:09:38,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:09:38,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:09:41,623 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 05:09:41,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 05:10:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:10:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 142 states and 311 transitions. [2024-12-06 05:10:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 311 transitions. [2024-12-06 05:10:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:10:34,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:10:34,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:10:34,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:10:34,124 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:10:34,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:10:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:35,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:10:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:10:35,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:10:35,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:10:38,482 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 05:10:38,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:11:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 144 states and 318 transitions. [2024-12-06 05:11:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 318 transitions. [2024-12-06 05:11:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:11:04,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:04,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:04,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:04,657 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:04,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:11:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:06,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:06,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:11:06,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:22,858 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 05:11:22,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:11:29,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:11:30,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:13:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 160 states and 372 transitions. [2024-12-06 05:13:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 372 transitions. [2024-12-06 05:13:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:13:01,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:01,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:01,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:01,886 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:01,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:13:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:03,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:03,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:13:03,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:06,366 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 05:13:06,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-06 05:14:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 164 states and 386 transitions. [2024-12-06 05:14:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 386 transitions. [2024-12-06 05:14:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:14:06,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:06,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:06,462 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:06,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:14:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:07,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:08,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:14:08,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:10,970 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 05:14:10,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-06 05:14:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 165 states and 392 transitions. [2024-12-06 05:14:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 392 transitions. [2024-12-06 05:14:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 05:14:26,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:26,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:26,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:26,252 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:26,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:14:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:27,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:28,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:14:28,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:30,944 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 05:14:30,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 05:14:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 166 states and 393 transitions. [2024-12-06 05:14:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 393 transitions. [2024-12-06 05:14:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 05:14:45,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:45,859 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:45,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 05:14:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:47,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:47,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:14:47,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:10,021 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 05:15:10,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e32d8c4-cdeb-474d-b55b-2e4fe91d974f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0