./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:42:33,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:42:33,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:42:33,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:42:33,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:42:33,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:42:33,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:42:33,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:42:33,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:42:33,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:42:33,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:42:33,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:42:33,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:42:33,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:42:33,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:42:33,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:42:33,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:42:33,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:42:33,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:42:33,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:42:33,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:42:33,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:42:33,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:42:33,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:42:33,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:42:33,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:42:33,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:42:33,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:42:33,959 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2024-11-25 03:42:34,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:42:34,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:42:34,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:42:34,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:42:34,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:42:34,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-11-25 03:42:37,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/4223fa161/b5f0d0ab842947b8a9035e73020994d4/FLAG19f4b69bd [2024-11-25 03:42:38,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:42:38,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-11-25 03:42:38,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/4223fa161/b5f0d0ab842947b8a9035e73020994d4/FLAG19f4b69bd [2024-11-25 03:42:38,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/4223fa161/b5f0d0ab842947b8a9035e73020994d4 [2024-11-25 03:42:38,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:42:38,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:42:38,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:42:38,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:42:38,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:42:38,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:38" (1/1) ... [2024-11-25 03:42:38,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e9c23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:38, skipping insertion in model container [2024-11-25 03:42:38,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:38" (1/1) ... [2024-11-25 03:42:38,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:42:39,606 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-11-25 03:42:39,944 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:42:39,954 INFO L158 Benchmark]: Toolchain (without parser) took 1817.23ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 85.4MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:42:39,955 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:42:39,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1812.81ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 85.4MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:42:39,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1812.81ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 85.4MB in the end (delta: 28.0MB). 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:42:42,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:42:42,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:42:42,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:42:42,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:42:42,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:42:42,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:42:42,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:42:42,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:42:42,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:42:42,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:42:42,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:42:42,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:42:42,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:42:42,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:42:42,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:42:42,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:42:42,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:42:42,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:42:42,899 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:42,899 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:42:42,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:42:42,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:42:42,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:42:42,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:42:42,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:42:42,901 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:42:42,901 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:42,901 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:42:42,901 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2024-11-25 03:42:43,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:42:43,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:42:43,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:42:43,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:42:43,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:42:43,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-11-25 03:42:46,578 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/bbfc73f8a/1844739fbb6743dca79883741129787e/FLAG9a187ddb7 [2024-11-25 03:42:47,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:42:47,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2024-11-25 03:42:47,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/bbfc73f8a/1844739fbb6743dca79883741129787e/FLAG9a187ddb7 [2024-11-25 03:42:47,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/data/bbfc73f8a/1844739fbb6743dca79883741129787e [2024-11-25 03:42:47,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:42:47,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:42:47,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:42:47,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:42:47,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:42:47,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:47" (1/1) ... [2024-11-25 03:42:47,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cec0112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:47, skipping insertion in model container [2024-11-25 03:42:47,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:47" (1/1) ... [2024-11-25 03:42:47,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:42:48,807 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-11-25 03:42:49,276 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:42:49,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:42:49,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:42:49,546 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_838bd8c6-4be4-4475-92b9-ad7654b9af2f/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2024-11-25 03:42:49,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:42:50,044 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:42:50,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50 WrapperNode [2024-11-25 03:42:50,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:42:50,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:42:50,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:42:50,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:42:50,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,217 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-11-25 03:42:50,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:42:50,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:42:50,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:42:50,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:42:50,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:42:50,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:42:50,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:42:50,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:42:50,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:50" (1/1) ... [2024-11-25 03:42:50,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:42:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:42:50,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:42:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:42:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 03:42:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-25 03:42:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:42:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-25 03:42:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:42:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-25 03:42:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 03:42:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-25 03:42:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 03:42:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 03:42:50,764 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:42:50,767 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:43:12,386 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-25 03:43:12,387 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:43:12,839 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:43:12,841 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-25 03:43:12,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:12 BoogieIcfgContainer [2024-11-25 03:43:12,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:43:12,844 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:43:12,844 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:43:12,857 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:43:12,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:43:12" (1/1) ... [2024-11-25 03:43:12,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:43:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-25 03:43:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-25 03:43:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:43:12,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:12,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:12,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:43:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:25,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:43:25,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:25,638 INFO L224 Elim1Store]: Index analysis took 143 ms [2024-11-25 03:43:26,593 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-11-25 03:43:26,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 89 [2024-11-25 03:43:26,767 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:27,104 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 853 treesize of output 845 [2024-11-25 03:43:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:30,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-11-25 03:43:31,133 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:31,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:31,342 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 325 treesize of output 317 [2024-11-25 03:43:33,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:33,279 INFO L224 Elim1Store]: Index analysis took 104 ms [2024-11-25 03:43:33,774 INFO L349 Elim1Store]: treesize reduction 72, result has 6.5 percent of original size [2024-11-25 03:43:33,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 85 [2024-11-25 03:43:33,971 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:34,450 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:43:34,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7817 treesize of output 7707 [2024-11-25 03:43:37,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:37,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-11-25 03:43:37,340 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:37,502 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 557 treesize of output 555 [2024-11-25 03:43:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:40,036 INFO L224 Elim1Store]: Index analysis took 174 ms [2024-11-25 03:43:41,259 INFO L349 Elim1Store]: treesize reduction 81, result has 14.7 percent of original size [2024-11-25 03:43:41,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 93 [2024-11-25 03:43:41,313 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:41,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:41,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:43:41,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7817 treesize of output 7707 [2024-11-25 03:43:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:45,956 INFO L224 Elim1Store]: Index analysis took 149 ms [2024-11-25 03:43:46,917 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-25 03:43:46,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 89 [2024-11-25 03:43:47,091 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:43:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:43:47,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:43:47,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 547 treesize of output 541 [2024-11-25 03:43:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:43:56,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:08,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:44:12,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:44:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:15,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-11-25 03:44:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-25 03:44:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:44:15,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:15,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:15,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:15,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:15,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:44:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:16,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:16,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:44:16,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:44:19,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:44:36,941 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] [2024-11-25 03:44:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-11-25 03:44:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-25 03:44:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:44:53,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:53,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:53,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:53,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:53,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:44:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:54,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:55,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:44:55,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:45:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:45:00,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 03:45:22,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:46:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-11-25 03:46:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-11-25 03:46:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:46:07,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:46:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:46:07,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:46:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:46:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:08,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:46:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:09,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:46:09,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:46:09,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 03:46:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 138 transitions. [2024-11-25 03:46:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2024-11-25 03:46:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:46:18,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:18,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:46:18,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:46:18,510 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:46:18,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:46:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:19,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:46:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:20,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:46:20,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:46:20,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:46:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-11-25 03:46:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-11-25 03:46:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:46:31,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:31,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:46:31,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:46:31,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:46:31,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:46:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:33,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:46:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:33,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:46:33,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:36,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:46:36,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 03:46:38,441 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 [] [2024-11-25 03:47:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 152 transitions. [2024-11-25 03:47:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2024-11-25 03:47:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:47:04,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:04,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:04,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:47:04,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:47:04,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:47:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:05,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:47:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:06,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:47:06,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:47:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:47:06,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 03:47:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-11-25 03:47:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-11-25 03:47:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:47:18,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:18,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:47:18,299 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:47:18,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:47:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:19,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:47:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:20,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:47:20,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:47:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:47:36,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:47:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:47:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 163 transitions. [2024-11-25 03:47:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 163 transitions. [2024-11-25 03:47:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:47:53,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:47:53,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:47:53,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:47:53,152 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:47:53,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:47:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:54,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:47:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:47:54,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:47:54,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:47:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:47:55,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 03:48:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2024-11-25 03:48:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2024-11-25 03:48:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:48:38,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:38,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:38,324 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:38,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:48:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:40,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:40,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:48:40,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:48:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:48:41,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:48:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:48:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 95 states and 178 transitions. [2024-11-25 03:48:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 178 transitions. [2024-11-25 03:48:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:48:41,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:48:41,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:48:41,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:48:41,506 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:48:41,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:48:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:43,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:48:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:48:43,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:48:43,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:48:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:48:44,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:49:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 97 states and 181 transitions. [2024-11-25 03:49:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 181 transitions. [2024-11-25 03:49:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:49:14,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:14,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:49:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:49:14,413 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:49:14,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:49:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:17,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:49:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:18,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:49:18,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:49:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:49:41,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:50:18,412 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] [2024-11-25 03:50:55,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:52:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 107 states and 217 transitions. [2024-11-25 03:52:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 217 transitions. [2024-11-25 03:52:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:52:54,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:54,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:54,390 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:54,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:52:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:52:56,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:52:57,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:53:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 112 states and 225 transitions. [2024-11-25 03:53:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 225 transitions. [2024-11-25 03:53:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:53:07,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:07,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:07,378 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:07,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:53:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:53:09,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:53:10,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:53:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 105 states and 204 transitions. [2024-11-25 03:53:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2024-11-25 03:53:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:53:19,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:19,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:19,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:19,916 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:19,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:53:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:21,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:22,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:53:22,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:22,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 205 transitions. [2024-11-25 03:54:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 205 transitions. [2024-11-25 03:54:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:54:22,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:22,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:22,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:22,596 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:22,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:54:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:25,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:26,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:54:26,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:55:17,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838bd8c6-4be4-4475-92b9-ad7654b9af2f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:27,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []