./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:47,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:47,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:47,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:47,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:47,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:47,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:47,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:47,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:47,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:47,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:47,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:47,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:47,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:47,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:47,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:47,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:47,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:47,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:47,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:47,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:47,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:47,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:47,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:47,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:47,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:47,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:47,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:47,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:47,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:47,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:47,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:47,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:47,795 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_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-19 04:07:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:48,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:48,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:48,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:48,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:48,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-19 04:07:51,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:51,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:51,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-19 04:07:52,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/e79edc8ce/f61ed9c30cd848a88d5d8413497eabc6/FLAG825361a43 [2023-11-19 04:07:52,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/e79edc8ce/f61ed9c30cd848a88d5d8413497eabc6 [2023-11-19 04:07:52,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:52,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:52,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:52,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:52,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:52,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:52" (1/1) ... [2023-11-19 04:07:52,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d94d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:52, skipping insertion in model container [2023-11-19 04:07:52,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:52" (1/1) ... [2023-11-19 04:07:52,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:52,933 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:2254) 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:1484) 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:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2487) 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:2487) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:533) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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: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.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1510) 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:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) 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) [2023-11-19 04:07:52,939 INFO L158 Benchmark]: Toolchain (without parser) took 893.00ms. Allocated memory is still 155.2MB. Free memory was 124.9MB in the beginning and 111.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:52,939 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:52,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.13ms. Allocated memory is still 155.2MB. Free memory was 124.9MB in the beginning and 111.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:52,943 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.13ms. Allocated memory is still 155.2MB. Free memory was 124.9MB in the beginning and 111.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:56,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:56,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:56,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:56,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:56,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:56,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:56,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:56,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:56,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:56,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:56,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:56,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:56,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:56,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:56,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:56,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:56,287 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:56,288 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:56,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:56,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:56,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:56,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:56,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:56,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:56,292 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:56,293 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:56,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:56,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:56,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:56,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:56,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:56,297 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:56,297 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:56,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:56,298 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:56,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:56,299 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_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-19 04:07:56,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:56,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:56,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:56,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:56,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:56,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-19 04:08:00,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:01,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:01,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-19 04:08:01,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/62ca4dd58/ef161b1bd85d489bb3999c357111845c/FLAGffec76959 [2023-11-19 04:08:01,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/data/62ca4dd58/ef161b1bd85d489bb3999c357111845c [2023-11-19 04:08:01,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:01,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:01,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:01,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:01,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:01,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:01" (1/1) ... [2023-11-19 04:08:01,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7c6539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:01, skipping insertion in model container [2023-11-19 04:08:01,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:01" (1/1) ... [2023-11-19 04:08:01,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:02,188 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-19 04:08:02,193 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-19 04:08:02,195 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-19 04:08:02,196 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-19 04:08:02,197 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-19 04:08:02,199 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-19 04:08:02,200 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-19 04:08:02,201 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-19 04:08:02,203 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-19 04:08:02,204 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-19 04:08:02,206 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-19 04:08:02,208 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-19 04:08:02,209 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-19 04:08:02,210 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-19 04:08:02,211 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-19 04:08:02,213 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-19 04:08:02,215 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-19 04:08:02,216 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-19 04:08:02,218 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-19 04:08:02,220 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-19 04:08:02,222 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-19 04:08:02,223 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-19 04:08:02,224 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-19 04:08:02,226 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-19 04:08:02,229 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-19 04:08:02,231 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-19 04:08:02,232 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-19 04:08:02,233 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-19 04:08:02,234 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-19 04:08:02,235 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-19 04:08:02,236 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-19 04:08:02,238 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-19 04:08:02,242 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-19 04:08:02,247 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-19 04:08:02,248 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-19 04:08:02,249 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-19 04:08:02,255 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-19 04:08:02,256 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-19 04:08:02,257 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-19 04:08:02,257 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-19 04:08:02,259 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-19 04:08:02,260 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-19 04:08:02,262 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-19 04:08:02,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:02,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:02,339 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-19 04:08:02,341 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-19 04:08:02,342 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-19 04:08:02,344 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-19 04:08:02,347 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-19 04:08:02,348 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-19 04:08:02,349 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-19 04:08:02,354 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-19 04:08:02,356 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-19 04:08:02,358 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-19 04:08:02,360 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-19 04:08:02,363 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-19 04:08:02,364 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-19 04:08:02,365 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-19 04:08:02,370 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-19 04:08:02,373 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-19 04:08:02,375 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-19 04:08:02,377 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-19 04:08:02,379 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-19 04:08:02,380 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-19 04:08:02,380 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-19 04:08:02,382 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-19 04:08:02,383 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-19 04:08:02,385 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-19 04:08:02,385 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-19 04:08:02,387 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-19 04:08:02,389 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-19 04:08:02,391 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-19 04:08:02,392 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-19 04:08:02,393 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-19 04:08:02,395 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-19 04:08:02,396 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-19 04:08:02,398 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-19 04:08:02,399 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-19 04:08:02,400 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-19 04:08:02,403 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-19 04:08:02,404 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-19 04:08:02,406 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-19 04:08:02,407 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-19 04:08:02,408 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-19 04:08:02,409 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-19 04:08:02,410 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-19 04:08:02,411 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_74e12d54-5192-4a54-9427-cebded71036b/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-19 04:08:02,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:02,608 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:02,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02 WrapperNode [2023-11-19 04:08:02,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:02,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:02,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:02,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:02,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,693 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2023-11-19 04:08:02,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:02,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:02,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:02,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:02,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:02,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:02,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:02,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:02,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:02,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:02,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:02,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:03,013 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:03,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:10,460 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:10,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:10,487 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:10,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:10 BoogieIcfgContainer [2023-11-19 04:08:10,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:10,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:10,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:10,503 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:10,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:10" (1/1) ... [2023-11-19 04:08:10,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 137 states and 180 transitions. [2023-11-19 04:08:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2023-11-19 04:08:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:08:10,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:10,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:10,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:10,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:10,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:08:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:10,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:10,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 135 states and 177 transitions. [2023-11-19 04:08:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 177 transitions. [2023-11-19 04:08:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:08:10,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:10,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:10,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:10,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:08:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:11,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:11,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:11,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 133 states and 174 transitions. [2023-11-19 04:08:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 174 transitions. [2023-11-19 04:08:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:11,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:11,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:11,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:08:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:11,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:11,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:08:11,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:11,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 171 transitions. [2023-11-19 04:08:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 171 transitions. [2023-11-19 04:08:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:11,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:11,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:11,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:11,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:11,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:08:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:12,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:12,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 168 transitions. [2023-11-19 04:08:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2023-11-19 04:08:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:12,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:12,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:12,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:12,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 04:08:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:12,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:12,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 165 transitions. [2023-11-19 04:08:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 165 transitions. [2023-11-19 04:08:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:12,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:12,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:12,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:12,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 04:08:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:12,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:12,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 162 transitions. [2023-11-19 04:08:12,480 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2023-11-19 04:08:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:12,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:12,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:12,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:12,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 04:08:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:08:12,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:12,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 159 transitions. [2023-11-19 04:08:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2023-11-19 04:08:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:12,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:12,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:12,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 04:08:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:08:13,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:13,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 04:08:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 121 states and 156 transitions. [2023-11-19 04:08:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2023-11-19 04:08:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:13,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:13,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:13,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:13,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 04:08:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:13,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:13,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 153 transitions. [2023-11-19 04:08:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 153 transitions. [2023-11-19 04:08:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:08:13,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:13,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:13,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:13,658 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:13,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 04:08:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:14,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 117 states and 150 transitions. [2023-11-19 04:08:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2023-11-19 04:08:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:08:14,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:14,454 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:14,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-19 04:08:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:14,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 115 states and 147 transitions. [2023-11-19 04:08:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2023-11-19 04:08:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:08:14,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:14,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:14,727 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:14,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-19 04:08:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:15,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 113 states and 144 transitions. [2023-11-19 04:08:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-19 04:08:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:08:15,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:15,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:15,023 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-19 04:08:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:08:15,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:17,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-11-19 04:08:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 141 transitions. [2023-11-19 04:08:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2023-11-19 04:08:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:17,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:17,202 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-19 04:08:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:17,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 138 transitions. [2023-11-19 04:08:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-19 04:08:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:08:17,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:17,446 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:17,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-19 04:08:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:18,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 107 states and 135 transitions. [2023-11-19 04:08:19,018 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2023-11-19 04:08:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:08:19,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:19,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:19,022 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:19,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-19 04:08:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:19,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-11-19 04:08:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 105 states and 132 transitions. [2023-11-19 04:08:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-19 04:08:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:08:19,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:19,646 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:19,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-19 04:08:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:19,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 129 transitions. [2023-11-19 04:08:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-19 04:08:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:19,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:19,982 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:19,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-19 04:08:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:29,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:29,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:38,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-11-19 04:08:47,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.25s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:48,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 126 transitions. [2023-11-19 04:08:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2023-11-19 04:08:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:08:49,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:49,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:49,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:49,519 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:49,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e12d54-5192-4a54-9427-cebded71036b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-19 04:08:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:49,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:49,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:49,870 INFO L285 TraceCheckSpWp]: Computing forward predicates...