./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:04,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:04,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:44:04,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:44:04,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:44:04,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:04,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:04,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:04,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:04,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:04,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:04,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:04,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:44:04,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:04,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:04,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:04,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:04,754 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:04,754 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:04,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:04,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:04,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:04,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:04,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:04,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:04,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:04,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:04,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:04,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:04,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:44:04,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:44:04,766 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:04,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b [2023-11-21 18:44:05,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:05,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:05,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:05,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:05,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:05,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2023-11-21 18:44:08,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:09,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:09,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2023-11-21 18:44:09,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/07669b55c/6918fa6270d94f18a24f63e0d7d75561/FLAG382ea9861 [2023-11-21 18:44:09,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/07669b55c/6918fa6270d94f18a24f63e0d7d75561 [2023-11-21 18:44:09,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:09,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:09,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:09,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:09,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:09,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:09" (1/1) ... [2023-11-21 18:44:09,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cddffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:09, skipping insertion in model container [2023-11-21 18:44:09,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:09" (1/1) ... [2023-11-21 18:44:09,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:09,865 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:11,446 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-11-21 18:44:11,460 INFO L158 Benchmark]: Toolchain (without parser) took 2341.75ms. Allocated memory is still 182.5MB. Free memory was 150.5MB in the beginning and 125.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:44:11,461 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:11,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2334.11ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 125.7MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:11,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2334.11ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 125.7MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:14,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:14,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:44:14,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:14,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:14,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:14,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:14,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:14,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:14,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:14,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:14,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:14,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:14,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:14,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:44:14,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:44:14,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:14,291 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:44:14,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:14,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:14,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:14,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:14,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:14,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:14,297 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:14,297 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:14,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:14,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:14,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:14,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:14,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:14,301 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:44:14,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:14,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:14,302 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:44:14,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:14,303 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161aec8d7d6770080ddaf117823b385cc2ed77ffabe37a9a1ab0d3e2c409601b [2023-11-21 18:44:14,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:14,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:14,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:14,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:14,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:14,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2023-11-21 18:44:18,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:18,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:18,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_good.i [2023-11-21 18:44:18,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/560ec65da/04b88b798bdb4e0ba3f3a60e0ea4dc31/FLAGa64568a52 [2023-11-21 18:44:18,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/data/560ec65da/04b88b798bdb4e0ba3f3a60e0ea4dc31 [2023-11-21 18:44:18,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:18,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:18,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:18,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:18,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:18,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:18" (1/1) ... [2023-11-21 18:44:18,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2487e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:18, skipping insertion in model container [2023-11-21 18:44:18,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:18" (1/1) ... [2023-11-21 18:44:18,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:19,473 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:21,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:21,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:21,151 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:21,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:21,740 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:21,740 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:21,740 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:21,740 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:21,741 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:21,749 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:21,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21 WrapperNode [2023-11-21 18:44:21,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:21,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:21,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:21,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:21,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,839 INFO L138 Inliner]: procedures = 948, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 87 [2023-11-21 18:44:21,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:21,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:21,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:21,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:21,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:21,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:21,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:21,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:21,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:21" (1/1) ... [2023-11-21 18:44:21,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:21,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:21,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:44:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:44:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:44:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:44:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:44:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:44:22,154 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:22,156 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:32,576 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:32,640 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:32,640 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:44:32,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:32 BoogieIcfgContainer [2023-11-21 18:44:32,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:32,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:32,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:32,653 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:32,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:32" (1/1) ... [2023-11-21 18:44:32,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2023-11-21 18:44:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-21 18:44:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:32,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:32,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:32,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:32,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:32,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:44:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:32,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:33,036 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:44:33,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:44:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2023-11-21 18:44:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-21 18:44:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:44:33,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:33,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:33,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:33,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:44:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:33,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:33,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2023-11-21 18:44:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-21 18:44:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:44:33,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:33,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:33,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:33,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:33,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:44:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:33,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:33,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:37,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:44:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 47 transitions. [2023-11-21 18:44:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-21 18:44:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:37,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:37,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:37,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:37,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:37,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:44:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:37,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:37,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 44 transitions. [2023-11-21 18:44:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-21 18:44:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:37,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:37,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:37,655 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:37,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:44:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:37,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:38,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 43 transitions. [2023-11-21 18:44:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-21 18:44:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:38,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:38,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:38,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:38,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:38,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:44:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:38,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:38,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-21 18:44:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-11-21 18:44:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-21 18:44:38,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:38,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:38,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:38,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:38,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:38,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:44:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:38,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:38,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-21 18:44:38,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 43 transitions. [2023-11-21 18:44:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-21 18:44:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:44:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:38,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:38,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-21 18:44:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:39,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:39,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:39,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:39,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:41,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:44:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 33 transitions. [2023-11-21 18:44:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 18:44:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:41,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:41,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:41,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-21 18:44:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:41,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:42,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:42,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:42,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-21 18:44:46,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:44:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 32 transitions. [2023-11-21 18:44:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-21 18:44:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:44:46,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:46,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:46,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:46,496 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:46,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-21 18:44:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:46,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:44:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:46,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:46,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:46,909 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:44:46,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-21 18:44:48,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:44:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 31 transitions. [2023-11-21 18:44:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-21 18:44:48,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:44:48,774 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-21 18:44:48,789 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:44:48,855 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:44:48,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:44:48 ImpRootNode [2023-11-21 18:44:48,858 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:44:48,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:44:48,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:44:48,860 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:44:48,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:32" (3/4) ... [2023-11-21 18:44:48,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:44:48,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:44:48,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:44:48,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-21 18:44:48,874 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 18:44:48,875 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:44:48,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:44:49,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:44:49,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:44:49,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:44:49,003 INFO L158 Benchmark]: Toolchain (without parser) took 30305.65ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.5MB in the beginning and 53.9MB in the end (delta: 9.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,003 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:49,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3047.65ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.3MB in the beginning and 76.1MB in the end (delta: -12.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.17ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 71.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,005 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,005 INFO L158 Benchmark]: RCFGBuilder took 10746.64ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 48.8MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,006 INFO L158 Benchmark]: CodeCheck took 16215.20ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 58.9MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:49,006 INFO L158 Benchmark]: Witness Printer took 142.80ms. Allocated memory is still 111.1MB. Free memory was 58.9MB in the beginning and 53.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:44:49,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 535 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 38.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 545 IncrementalHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 254 mSDtfsCounter, 545 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1200 GetRequests, 1154 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 10 NumberOfNonLiveVariables, 665 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 22/22 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1914]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3047.65ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 63.3MB in the beginning and 76.1MB in the end (delta: -12.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.17ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 71.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10746.64ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 48.8MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16215.20ms. Allocated memory is still 111.1MB. Free memory was 48.8MB in the beginning and 58.9MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 142.80ms. Allocated memory is still 111.1MB. Free memory was 58.9MB in the beginning and 53.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:44:49,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac59353-f143-45df-8d77-ff95fce91f93/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE