./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/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_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/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_03604b86-f875-4a47-b4fe-6c558dd35fc5/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 c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:38,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:38,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:38,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:38,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:38,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:38,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:38,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:38,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:38,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:38,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:38,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:38,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:38,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:38,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:38,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:38,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:38,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:38,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:38,441 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:38,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:38,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:38,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:38,443 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:38,443 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:38,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:38,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:38,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:38,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:38,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:38,446 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:38,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:38,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:38,446 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_03604b86-f875-4a47-b4fe-6c558dd35fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2023-11-24 23:11:38,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:38,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:38,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:38,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:38,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:38,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-11-24 23:11:41,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:42,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:42,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-11-24 23:11:42,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/fe6adf70b/10ef26f896d54f5dbd17643868c41f23/FLAG889432b54 [2023-11-24 23:11:42,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/fe6adf70b/10ef26f896d54f5dbd17643868c41f23 [2023-11-24 23:11:42,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:42,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:42,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:42,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:42,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:42,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:42" (1/1) ... [2023-11-24 23:11:42,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2727d475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:42, skipping insertion in model container [2023-11-24 23:11:42,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:42" (1/1) ... [2023-11-24 23:11:42,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:43,130 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: isnan 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.lambda$76(StandardFunctionHandler.java:455) 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: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:727) 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: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: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) [2023-11-24 23:11:43,135 INFO L158 Benchmark]: Toolchain (without parser) took 842.10ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:11:43,136 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:43,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.51ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:11:43,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 105.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.51ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/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_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/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_03604b86-f875-4a47-b4fe-6c558dd35fc5/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 c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:45,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:45,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:11:45,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:45,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:45,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:45,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:45,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:45,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:45,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:45,626 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:45,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:45,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:45,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:45,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:45,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:45,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:11:45,630 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:11:45,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:11:45,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:45,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:45,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:45,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:45,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:45,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:45,633 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:45,634 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:45,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:45,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:45,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:45,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:45,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:45,636 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:11:45,637 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:45,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:45,637 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:11:45,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:11:45,638 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_03604b86-f875-4a47-b4fe-6c558dd35fc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c15fb87324c9ba1770be3d050978f4f4a907b0f8ac022ada37c491f5d56c2120 [2023-11-24 23:11:46,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:46,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:46,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:46,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:46,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:46,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-11-24 23:11:49,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:49,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:49,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i [2023-11-24 23:11:49,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/00781f81a/e21562a8483f43e98d81665c344ae882/FLAG960248233 [2023-11-24 23:11:49,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/data/00781f81a/e21562a8483f43e98d81665c344ae882 [2023-11-24 23:11:49,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:49,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:49,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:49,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:49,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:49,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:49" (1/1) ... [2023-11-24 23:11:49,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756e74e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:49, skipping insertion in model container [2023-11-24 23:11:49,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:49" (1/1) ... [2023-11-24 23:11:49,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:51,008 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_03604b86-f875-4a47-b4fe-6c558dd35fc5/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2023-11-24 23:11:51,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:51,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:51,092 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_03604b86-f875-4a47-b4fe-6c558dd35fc5/sv-benchmarks/c/neural-networks/softmax_5_unsafe.c-amalgamation.i[63646,63659] [2023-11-24 23:11:51,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:51,280 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:51,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51 WrapperNode [2023-11-24 23:11:51,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:51,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:51,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:51,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:51,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,373 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2023-11-24 23:11:51,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:51,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:51,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:51,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:51,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:51,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:51,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:51,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:51,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:51" (1/1) ... [2023-11-24 23:11:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:51,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:11:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:11:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:11:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:11:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:11:51,630 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:51,632 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:54,593 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:54,846 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:54,846 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:11:54,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:54 BoogieIcfgContainer [2023-11-24 23:11:54,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:54,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:54,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:54,862 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:54,862 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:54" (1/1) ... [2023-11-24 23:11:54,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-24 23:11:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-24 23:11:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:54,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:54,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:54,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:55,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:55,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:55,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:55,601 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 23:11:55,606 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:55,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:58,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:11:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 23:11:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 23:11:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:58,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:58,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:58,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:58,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:11:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:59,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:11:59,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:11:59,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:11:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 23:11:59,675 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 23:11:59,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:59,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:59,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:59,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:59,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:59,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:12:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:00,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:00,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:12:00,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:00,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:04,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-24 23:12:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-24 23:12:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:12:04,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:04,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:04,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:04,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:12:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:05,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:05,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:05,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:12:05,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 23:12:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 23:12:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:06,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:06,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:06,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:06,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:12:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:06,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:07,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:07,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:12:07,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-24 23:12:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-24 23:12:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:12:07,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:07,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:07,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:07,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:12:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:08,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:08,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:08,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:08,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:10,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:12,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:14,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 23:12:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 23:12:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:12:15,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:15,159 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:12:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:12:16,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:16,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-24 23:12:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-24 23:12:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:17,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:17,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:17,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:12:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:18,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:18,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:12:18,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:12:18,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-24 23:12:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-24 23:12:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:19,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:19,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:19,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:19,591 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:19,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:12:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:20,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:21,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:12:21,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:21,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:24,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:26,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:28,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-24 23:12:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-24 23:12:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:12:28,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:28,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:28,927 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:12:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:30,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:31,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:12:31,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:31,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 23:12:32,151 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 23:12:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:12:32,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:32,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:32,154 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:32,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 23:12:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:33,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:12:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:34,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:12:34,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:12:34,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:37,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:40,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-24 23:12:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 23:12:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:41,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:41,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:41,242 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03604b86-f875-4a47-b4fe-6c558dd35fc5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process