./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_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_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/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_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/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_33ca4723-b196-49fc-9199-e13d7330c460/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 83437f6547caa40e6ba5ae009eba23ff59f058ac7cf5dcebbc47bf218880a520 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:07,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:07,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:34:07,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:07,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:07,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:07,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:07,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:07,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:07,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:07,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:07,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:07,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:07,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:07,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:07,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:07,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:07,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:07,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:07,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:07,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:07,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:07,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:07,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:07,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:07,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:07,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:07,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:07,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:07,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:07,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:07,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:07,428 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_33ca4723-b196-49fc-9199-e13d7330c460/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83437f6547caa40e6ba5ae009eba23ff59f058ac7cf5dcebbc47bf218880a520 [2023-11-21 18:34:07,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:07,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:07,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:07,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:07,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:07,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i [2023-11-21 18:34:11,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:12,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:12,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i [2023-11-21 18:34:12,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/1e73c18d2/f139cc30ada345208bdedbf389a6d348/FLAG9dc5d7841 [2023-11-21 18:34:12,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/1e73c18d2/f139cc30ada345208bdedbf389a6d348 [2023-11-21 18:34:12,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:12,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:12,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:12,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:12,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:12,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad09112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12, skipping insertion in model container [2023-11-21 18:34:12,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:13,227 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:14,930 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 18:34:14,940 INFO L158 Benchmark]: Toolchain (without parser) took 2481.69ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 117.3MB in the end (delta: -49.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-21 18:34:14,941 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:14,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2478.58ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 117.3MB in the end (delta: -49.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-21 18:34:14,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2478.58ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 117.3MB in the end (delta: -49.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/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_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/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_33ca4723-b196-49fc-9199-e13d7330c460/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 83437f6547caa40e6ba5ae009eba23ff59f058ac7cf5dcebbc47bf218880a520 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:18,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:18,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:34:18,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:18,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:18,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:18,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:18,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:18,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:18,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:18,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:18,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:18,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:18,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:18,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:34:18,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:34:18,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:18,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:34:18,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:18,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:18,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:18,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:18,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:18,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:18,562 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:18,563 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:18,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:18,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:18,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:18,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:18,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:18,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:34:18,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:18,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:18,569 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:34:18,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:18,569 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_33ca4723-b196-49fc-9199-e13d7330c460/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83437f6547caa40e6ba5ae009eba23ff59f058ac7cf5dcebbc47bf218880a520 [2023-11-21 18:34:19,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:19,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:19,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:19,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:19,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:19,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i [2023-11-21 18:34:23,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:24,067 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:24,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_21_good.i [2023-11-21 18:34:24,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/00ed450ff/bfb545ee8b6e4faf854d56cd30ff3db8/FLAGcc21bdb82 [2023-11-21 18:34:24,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/data/00ed450ff/bfb545ee8b6e4faf854d56cd30ff3db8 [2023-11-21 18:34:24,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:24,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:24,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:24,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:24,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:24,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:24" (1/1) ... [2023-11-21 18:34:24,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b0e031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:24, skipping insertion in model container [2023-11-21 18:34:24,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:24" (1/1) ... [2023-11-21 18:34:24,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:24,998 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:26,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:26,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:26,612 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:26,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:27,096 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:27,096 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:27,096 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:27,097 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:27,097 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:27,106 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:27,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27 WrapperNode [2023-11-21 18:34:27,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:27,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:27,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:27,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:27,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,218 INFO L138 Inliner]: procedures = 948, calls = 80, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 101 [2023-11-21 18:34:27,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:27,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:27,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:27,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:27,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:27,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:27,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:27,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:27,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:27,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:27,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:34:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:34:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:34:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:34:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:34:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:34:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:34:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:34:27,582 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:27,584 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:42,208 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:42,315 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:42,315 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:42,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:42 BoogieIcfgContainer [2023-11-21 18:34:42,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:42,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:42,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:42,336 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:42,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:42" (1/1) ... [2023-11-21 18:34:42,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2023-11-21 18:34:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-21 18:34:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:42,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:42,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:42,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:42,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:34:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:34:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:42,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:42,823 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 18:34:42,826 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:34:42,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:34:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2023-11-21 18:34:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-21 18:34:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:42,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:42,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:42,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:43,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:34:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:34:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,222 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 18:34:43,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:34:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2023-11-21 18:34:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-21 18:34:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:34:43,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:43,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:43,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:43,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33ca4723-b196-49fc-9199-e13d7330c460/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process