./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:15,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:15,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:52:15,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:52:15,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:52:15,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:15,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:15,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:15,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:15,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:15,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:15,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:15,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:15,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:15,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:15,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:15,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:15,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:15,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:52:15,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:52:15,396 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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 -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2024-12-06 03:52:15,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:15,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:15,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:15,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:15,664 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:15,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-06 03:52:18,334 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/5fb269c85/da426e83678e47b4b0d6b48c1a273e7b/FLAG6bff2d0db [2024-12-06 03:52:18,677 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:18,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-06 03:52:18,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/5fb269c85/da426e83678e47b4b0d6b48c1a273e7b/FLAG6bff2d0db [2024-12-06 03:52:18,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/5fb269c85/da426e83678e47b4b0d6b48c1a273e7b [2024-12-06 03:52:18,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:18,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:18,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:18,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:18,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:18,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:18" (1/1) ... [2024-12-06 03:52:18,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb0e69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:18, skipping insertion in model container [2024-12-06 03:52:18,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:18" (1/1) ... [2024-12-06 03:52:18,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:19,569 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-12-06 03:52:19,767 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:52:19,773 INFO L158 Benchmark]: Toolchain (without parser) took 1056.25ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 84.7MB in the end (delta: 27.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:52:19,773 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:52:19,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1054.02ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 84.7MB in the end (delta: 27.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:52:19,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1054.02ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 84.7MB in the end (delta: 27.5MB). Peak memory consumption was 33.6MB. 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:52:21,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:52:21,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:52:21,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:52:21,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:52:21,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:52:21,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:52:21,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:52:21,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:52:21,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:52:21,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:52:21,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:52:21,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:21,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:52:21,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:52:21,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:52:21,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:21,629 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:52:21,629 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/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 -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2024-12-06 03:52:21,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:52:21,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:52:21,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:52:21,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:52:21,877 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:52:21,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-06 03:52:24,564 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/ba010918a/61b0710b81864d0da45a8cadc0df225c/FLAG3ebbf7320 [2024-12-06 03:52:24,871 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:52:24,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2024-12-06 03:52:24,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/ba010918a/61b0710b81864d0da45a8cadc0df225c/FLAG3ebbf7320 [2024-12-06 03:52:24,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/data/ba010918a/61b0710b81864d0da45a8cadc0df225c [2024-12-06 03:52:24,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:52:24,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:52:24,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:24,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:52:24,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:52:24,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:24" (1/1) ... [2024-12-06 03:52:24,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e99b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:24, skipping insertion in model container [2024-12-06 03:52:24,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:52:24" (1/1) ... [2024-12-06 03:52:24,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:52:25,803 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-12-06 03:52:26,028 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 03:52:26,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:26,092 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:52:26,145 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_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2024-12-06 03:52:26,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:52:26,451 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:52:26,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26 WrapperNode [2024-12-06 03:52:26,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:52:26,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:26,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:52:26,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:52:26,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,539 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 394 [2024-12-06 03:52:26,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:52:26,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:52:26,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:52:26,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:52:26,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:52:26,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:52:26,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:52:26,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:52:26,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:52:26" (1/1) ... [2024-12-06 03:52:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:52:26,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:52:26,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:52:26,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 03:52:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 03:52:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:52:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 03:52:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 03:52:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 03:52:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:52:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 03:52:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 03:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 03:52:26,823 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:52:26,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:52:46,399 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 03:52:46,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:52:46,617 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:52:46,617 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 03:52:46,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:46 BoogieIcfgContainer [2024-12-06 03:52:46,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:52:46,618 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:52:46,618 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:52:46,626 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:52:46,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:52:46" (1/1) ... [2024-12-06 03:52:46,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:52:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 03:52:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 03:52:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:52:46,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:46,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:46,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:46,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:46,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:52:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:50,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:51,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 03:52:51,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:51,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:51,940 INFO L224 Elim1Store]: Index analysis took 143 ms [2024-12-06 03:52:53,671 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 03:52:53,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 140 [2024-12-06 03:52:53,756 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:53,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:52:54,355 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:52:58,367 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 03:52:58,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 03:52:58,397 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:58,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:52:58,575 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:52:58,765 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:53:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 03:53:03,330 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 03:53:03,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 03:53:03,350 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:53:03,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 03:53:03,515 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:53:03,695 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 03:53:11,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:53:11,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 480 treesize of output 372 [2024-12-06 03:53:11,507 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:53:11,508 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-12-06 03:53:12,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-06 03:53:12,382 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:53:12,383 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 03:53:12,965 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 03:53:12,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:53:24,341 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 03:53:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 03:53:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 03:53:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:53:27,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:27,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:27,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:53:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:28,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:28,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:53:28,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:30,766 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 03:53:30,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:53:47,062 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 03:54:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 03:54:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 03:54:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:54:01,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:01,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:01,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:01,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:54:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:02,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:02,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:54:02,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:06,650 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 03:54:06,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:54:26,721 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 03:54:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 03:54:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 03:54:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:54:52,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:52,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:52,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:54:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:53,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:54:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:54:53,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:54:53,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:54:54,014 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 03:54:54,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:54:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 141 transitions. [2024-12-06 03:54:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2024-12-06 03:54:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:54:59,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:59,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:59,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:59,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:55:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:00,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:00,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:55:00,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:01,010 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 03:55:01,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 03:55:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 03:55:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 03:55:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:55:06,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:06,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:06,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:55:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:07,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:07,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:55:07,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:10,101 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 03:55:10,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:55:12,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 03:55:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 03:55:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:55:27,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:27,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:27,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:27,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:55:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:28,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:28,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:55:28,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:28,886 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 03:55:28,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:55:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 03:55:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 03:55:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:35,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:35,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:35,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:35,361 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:35,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:55:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:36,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:36,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:55:36,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:37,166 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 03:55:37,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:55:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 165 transitions. [2024-12-06 03:55:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2024-12-06 03:55:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:40,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:40,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:40,610 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:40,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:55:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:41,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:41,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:55:41,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:42,484 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 03:55:42,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:55:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 147 transitions. [2024-12-06 03:55:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2024-12-06 03:55:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:55:45,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:45,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:45,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:45,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:45,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:55:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:46,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:47,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:55:47,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:57,240 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 03:55:57,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:56:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 89 states and 152 transitions. [2024-12-06 03:56:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2024-12-06 03:56:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:56:08,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:08,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:08,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:08,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:56:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:09,598 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:09,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:56:09,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 03:56:10,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:56:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 166 transitions. [2024-12-06 03:56:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2024-12-06 03:56:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:56:34,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:34,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:34,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:34,509 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:34,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:56:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:35,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:35,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:56:35,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 03:56:36,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:56:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 95 states and 165 transitions. [2024-12-06 03:56:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2024-12-06 03:56:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:56:36,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:36,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:36,481 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:36,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:56:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:37,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:38,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:56:38,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:56:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:56:38,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:56:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:56:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 167 transitions. [2024-12-06 03:56:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2024-12-06 03:56:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:56:54,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:56:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:56:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:56:54,152 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:56:54,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:56:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:56,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:56:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:56:56,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 03:56:56,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:57:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:57:10,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 03:57:39,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:58:02,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 107 states and 198 transitions. [2024-12-06 03:59:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-12-06 03:59:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:59:13,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:13,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:13,853 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:13,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:59:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:15,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:15,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:59:15,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 03:59:15,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 03:59:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 199 transitions. [2024-12-06 03:59:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-06 03:59:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:59:49,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:49,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:49,643 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:49,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:59:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:51,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:52,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:59:52,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:00:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:00:19,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 04:01:17,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:03:15,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:03:21,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:03:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 247 transitions. [2024-12-06 04:03:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2024-12-06 04:03:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 04:03:53,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:53,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:53,806 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:53,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:03:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:55,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:03:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:55,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 04:03:55,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:04:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:04:54,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcc69e5-5303-44b4-8ec7-849d3ec21c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-06 04:06:58,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:07:01,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []