./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/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_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f03eba9791eb661a60a292cdda83ff9fb9a9d96c73ccdba79d4f783df763171a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:58,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:58,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:43:58,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:58,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:58,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:58,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:58,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:58,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:58,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:58,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:58,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:58,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:58,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:58,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:58,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:58,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:58,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:58,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:58,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:58,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:58,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:58,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:58,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:58,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:58,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:58,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:58,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:58,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:58,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:58,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:58,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:58,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:58,209 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_0972902b-6d26-4f13-aee2-b8e49f5ba984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f03eba9791eb661a60a292cdda83ff9fb9a9d96c73ccdba79d4f783df763171a [2023-11-21 18:43:58,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:58,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:58,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:58,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:58,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:58,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i [2023-11-21 18:44:01,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:02,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:02,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i [2023-11-21 18:44:02,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/a312c1518/bc3b4601d9cd4cc88ee1ca34c716a9d7/FLAG75e929e08 [2023-11-21 18:44:02,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/a312c1518/bc3b4601d9cd4cc88ee1ca34c716a9d7 [2023-11-21 18:44:02,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:02,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:02,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:02,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:02,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:02,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2025f5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02, skipping insertion in model container [2023-11-21 18:44:02,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:02,462 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:02,978 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 18:44:02,981 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:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3077) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2918) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:44:02,990 INFO L158 Benchmark]: Toolchain (without parser) took 839.03ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 83.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:44:02,991 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:02,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.18ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 83.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:44:02,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.18ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 83.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. 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_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/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_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f03eba9791eb661a60a292cdda83ff9fb9a9d96c73ccdba79d4f783df763171a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:05,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:05,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-21 18:44:05,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:05,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:05,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:05,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:05,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:05,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:05,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:05,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:44:05,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:44:05,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:05,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:05,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:05,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:05,779 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:44:05,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:44:05,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:44:05,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:44:05,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:05,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:05,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:05,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:05,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:05,788 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:05,789 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:05,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:05,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:05,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:05,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:05,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:05,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:44:05,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:05,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:05,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:44:05,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:05,795 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_0972902b-6d26-4f13-aee2-b8e49f5ba984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f03eba9791eb661a60a292cdda83ff9fb9a9d96c73ccdba79d4f783df763171a [2023-11-21 18:44:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:06,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:06,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:06,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:06,276 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:06,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i [2023-11-21 18:44:09,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:10,224 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:10,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i [2023-11-21 18:44:10,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/e5087ba7f/d64a3219413d44bcaae9ee7e52c8fd48/FLAG8712ffaef [2023-11-21 18:44:10,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/data/e5087ba7f/d64a3219413d44bcaae9ee7e52c8fd48 [2023-11-21 18:44:10,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:10,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:10,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:10,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:10,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:10,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:10" (1/1) ... [2023-11-21 18:44:10,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ac5d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:10, skipping insertion in model container [2023-11-21 18:44:10,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:10" (1/1) ... [2023-11-21 18:44:10,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:10,718 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:11,421 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 18:44:11,423 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 18:44:11,424 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 18:44:11,425 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i[63171,63184] [2023-11-21 18:44:11,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:11,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:11,472 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:44:11,528 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 18:44:11,545 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 18:44:11,546 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-21 18:44:11,547 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/sv-benchmarks/c/neural-networks/sqrt_4_unsafe.c-amalgamation.i[63171,63184] [2023-11-21 18:44:11,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:11,756 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:11,756 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:11,766 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:11,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11 WrapperNode [2023-11-21 18:44:11,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:11,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:11,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:11,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:11,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,858 INFO L138 Inliner]: procedures = 560, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-21 18:44:11,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:11,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:11,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:11,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:11,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:11,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:11,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:11,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:11,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:11" (1/1) ... [2023-11-21 18:44:11,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:11,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:11,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:11,990 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-21 18:44:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:44:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:12,149 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:12,153 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:22,618 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:22,717 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:22,718 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:44:22,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:22 BoogieIcfgContainer [2023-11-21 18:44:22,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:22,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:22,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:22,734 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:22,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:22" (1/1) ... [2023-11-21 18:44:22,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-21 18:44:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-21 18:44:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:44:22,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:22,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:22,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:44:22,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:44:22,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0972902b-6d26-4f13-aee2-b8e49f5ba984/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process