./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:58,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:58,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:58,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:58,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:58,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:58,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:58,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:58,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:58,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:58,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:58,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:58,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:58,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:58,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:58,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:58,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:58,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:58,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:58,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:58,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:58,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:58,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:58,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:58,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:58,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:58,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:58,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:58,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:58,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:58,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:58,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:58,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:58,996 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_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2023-11-24 22:12:59,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:59,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:59,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:59,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:59,370 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:59,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-11-24 22:13:02,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:03,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:03,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-11-24 22:13:03,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/0f36e009f/d12c388828104710b274ac3ac8e6427d/FLAGf0b87c104 [2023-11-24 22:13:03,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/0f36e009f/d12c388828104710b274ac3ac8e6427d [2023-11-24 22:13:03,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:03,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:03,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:03,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:03,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:03,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2863e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03, skipping insertion in model container [2023-11-24 22:13:03,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:04,505 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_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-11-24 22:13:04,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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: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:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) 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:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) 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.handleLoops(CHandler.java:3572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) 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) [2023-11-24 22:13:04,879 INFO L158 Benchmark]: Toolchain (without parser) took 1766.52ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 75.9MB in the beginning and 112.1MB in the end (delta: -36.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,880 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:04,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1761.65ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 112.1MB in the end (delta: -36.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1761.65ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 112.1MB in the end (delta: -36.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:07,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:07,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:13:07,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:07,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:07,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:07,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:07,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:07,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:07,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:07,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:07,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:07,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:07,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:07,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:07,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:07,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:07,641 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:07,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:07,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:07,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:07,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:07,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:07,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:07,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:07,646 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:07,646 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:07,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:07,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:07,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:07,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:07,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:07,649 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:07,650 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:07,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:07,651 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:07,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:07,651 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_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2023-11-24 22:13:08,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:08,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:08,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:08,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:08,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:08,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-11-24 22:13:11,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:11,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:11,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-11-24 22:13:11,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/8be711e2f/925b988ab7e04c50baa55d7227b29f4d/FLAG56917820f [2023-11-24 22:13:11,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/data/8be711e2f/925b988ab7e04c50baa55d7227b29f4d [2023-11-24 22:13:11,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:11,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:11,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:11,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:11,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:11,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:11" (1/1) ... [2023-11-24 22:13:11,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dce531b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:11, skipping insertion in model container [2023-11-24 22:13:11,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:11" (1/1) ... [2023-11-24 22:13:12,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:13,687 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_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-11-24 22:13:14,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:14,074 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:13:14,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:14,167 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_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-11-24 22:13:14,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:14,355 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:14,406 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_ec198331-f9ce-4d30-b140-144b9194f545/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-11-24 22:13:14,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:14,848 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:14,849 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:14,849 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:14,849 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:14,849 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:14,857 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:14,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14 WrapperNode [2023-11-24 22:13:14,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:14,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:14,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:14,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:14,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:14,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,064 INFO L138 Inliner]: procedures = 780, calls = 751, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 389 [2023-11-24 22:13:15,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:15,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:15,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:15,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:15,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:15,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:15,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:15,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:15,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2023-11-24 22:13:15,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:15,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:15,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 22:13:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-11-24 22:13:15,286 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-11-24 22:13:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-11-24 22:13:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:13:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:15,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:13:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:13:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:13:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-11-24 22:13:15,290 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-11-24 22:13:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-24 22:13:15,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-11-24 22:13:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:13:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 22:13:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-11-24 22:13:15,293 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-11-24 22:13:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:13:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 22:13:15,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:13:15,590 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:15,592 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:35,536 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:36,029 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:36,029 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-24 22:13:36,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:36 BoogieIcfgContainer [2023-11-24 22:13:36,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:36,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:36,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:36,046 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:36,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:36" (1/1) ... [2023-11-24 22:13:36,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-11-24 22:13:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-11-24 22:13:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:13:36,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:36,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:36,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:36,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:36,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:13:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:37,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:13:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:38,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:13:38,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:38,297 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:13:38,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:13:47,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:13:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-11-24 22:13:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-11-24 22:13:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:13:47,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:47,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:47,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:47,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:47,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec198331-f9ce-4d30-b140-144b9194f545/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process