./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9 --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 7eb8dc5a54972c9510b8bdbfa2f6446cba3c912dfe04109fed69fa8ea7cfdd72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:57:47,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:57:47,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:57:47,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:57:47,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:57:47,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:57:47,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:57:47,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:57:47,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:57:47,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:57:47,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:57:48,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:57:48,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:57:48,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:57:48,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:57:48,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:57:48,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:57:48,002 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:57:48,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:57:48,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:57:48,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:57:48,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:57:48,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:57:48,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:57:48,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:57:48,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:57:48,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:57:48,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:57:48,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:57:48,011 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:57:48,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:57:48,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:57:48,012 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_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eb8dc5a54972c9510b8bdbfa2f6446cba3c912dfe04109fed69fa8ea7cfdd72 [2023-12-02 22:57:48,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:57:48,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:57:48,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:57:48,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:57:48,253 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:57:48,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i [2023-12-02 22:57:50,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:57:51,319 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:57:51,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i [2023-12-02 22:57:51,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/80cc82053/40e7b39ce41246ad9cd09843fc76672b/FLAG6b67c8adb [2023-12-02 22:57:51,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/80cc82053/40e7b39ce41246ad9cd09843fc76672b [2023-12-02 22:57:51,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:57:51,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:57:51,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:57:51,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:57:51,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:57:51,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:51" (1/1) ... [2023-12-02 22:57:51,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4e8a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:51, skipping insertion in model container [2023-12-02 22:57:51,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:51" (1/1) ... [2023-12-02 22:57:51,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:57:52,771 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:2220) 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.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-12-02 22:57:52,776 INFO L158 Benchmark]: Toolchain (without parser) took 1406.02ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 73.8MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:57:52,776 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:57:52,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.85ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 73.8MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:57:52,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1403.85ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 73.8MB in the end (delta: 24.4MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9 --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 7eb8dc5a54972c9510b8bdbfa2f6446cba3c912dfe04109fed69fa8ea7cfdd72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:57:54,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:57:54,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:57:54,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:57:54,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:57:54,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:57:54,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:57:54,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:57:54,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:57:54,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:57:54,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:57:54,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:57:54,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:57:54,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:57:54,626 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:57:54,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:57:54,627 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:57:54,628 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:57:54,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:57:54,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:57:54,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:57:54,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:57:54,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:57:54,631 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:57:54,632 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:54,632 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:57:54,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:57:54,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:57:54,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:57:54,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:57:54,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:57:54,635 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:57:54,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:54,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:57:54,636 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:57:54,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:57:54,636 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_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eb8dc5a54972c9510b8bdbfa2f6446cba3c912dfe04109fed69fa8ea7cfdd72 [2023-12-02 22:57:54,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:57:54,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:57:54,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:57:54,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:57:54,967 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:57:54,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i [2023-12-02 22:57:57,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:57:58,098 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:57:58,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_good.i [2023-12-02 22:57:58,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/7b29cd9e1/19507d918149436aab590d169858d6c4/FLAG1e3ac938f [2023-12-02 22:57:58,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/data/7b29cd9e1/19507d918149436aab590d169858d6c4 [2023-12-02 22:57:58,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:57:58,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:57:58,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:57:58,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:57:58,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:57:58,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:58" (1/1) ... [2023-12-02 22:57:58,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b64d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:58, skipping insertion in model container [2023-12-02 22:57:58,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:57:58" (1/1) ... [2023-12-02 22:57:58,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:57:59,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:57:59,460 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:57:59,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:57:59,856 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:57:59,856 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:57:59,856 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:57:59,856 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:57:59,857 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:57:59,864 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:57:59,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59 WrapperNode [2023-12-02 22:57:59,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:57:59,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:57:59,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:57:59,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:57:59,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,939 INFO L138 Inliner]: procedures = 946, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-12-02 22:57:59,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:57:59,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:57:59,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:57:59,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:57:59,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:57:59,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:57:59,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:57:59,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:57:59,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:57:59" (1/1) ... [2023-12-02 22:57:59,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:57:59,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:58:00,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:58:00,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 22:58:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:58:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:58:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:58:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:58:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:58:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:58:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:58:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:58:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:58:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:58:00,203 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:58:00,205 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:58:01,566 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:58:01,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:58:01,612 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:58:01,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:01 BoogieIcfgContainer [2023-12-02 22:58:01,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:58:01,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:58:01,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:58:01,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:58:01,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:58:01" (1/1) ... [2023-12-02 22:58:01,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:58:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-02 22:58:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-02 22:58:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:58:01,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:01,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:01,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:01,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:01,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:58:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:01,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:01,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:58:01,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:02,075 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:02,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:04,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-12-02 22:58:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-12-02 22:58:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:58:04,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:04,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:04,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:04,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:04,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:58:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:04,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:04,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:58:04,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:04,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:58:04,891 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-12-02 22:58:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-12-02 22:58:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:58:05,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:05,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:05,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:58:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:05,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:05,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:05,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:05,422 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:05,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:58:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-12-02 22:58:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-12-02 22:58:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:58:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:05,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:05,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:58:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:05,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:05,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:58:05,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:05,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:58:05,792 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:58:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-12-02 22:58:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-12-02 22:58:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:58:05,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:05,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:05,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:05,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:05,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:58:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:53,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:02,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:59:02,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:59:04,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:59:13,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.23s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-12-02 22:59:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-12-02 22:59:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:59:13,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:13,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:13,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:13,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:13,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:59:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:58,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:00:08,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:00:08,648 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) 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) [2023-12-02 23:00:08,651 INFO L158 Benchmark]: Toolchain (without parser) took 130509.21ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 102.2MB in the beginning and 120.3MB in the end (delta: -18.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,652 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:00:08,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1721.66ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 67.0MB in the end (delta: 35.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.65ms. Allocated memory is still 125.8MB. Free memory was 67.0MB in the beginning and 62.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,654 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 125.8MB. Free memory was 62.8MB in the beginning and 59.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,655 INFO L158 Benchmark]: RCFGBuilder took 1640.72ms. Allocated memory is still 125.8MB. Free memory was 59.9MB in the beginning and 84.8MB in the end (delta: -24.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,655 INFO L158 Benchmark]: CodeCheck took 127035.35ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 84.8MB in the beginning and 120.3MB in the end (delta: -35.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-02 23:00:08,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1721.66ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 67.0MB in the end (delta: 35.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.65ms. Allocated memory is still 125.8MB. Free memory was 67.0MB in the beginning and 62.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 125.8MB. Free memory was 62.8MB in the beginning and 59.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1640.72ms. Allocated memory is still 125.8MB. Free memory was 59.9MB in the beginning and 84.8MB in the end (delta: -24.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 127035.35ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 84.8MB in the beginning and 120.3MB in the end (delta: -35.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:00:08,880 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:00:08,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efa8c47-c39c-4028-a845-72e1b160c425/bin/ukojak-verify-Qdu7aM0XO9/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown