./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:09,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:09,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:09,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:09,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:09,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:09,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:09,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:09,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:09,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:09,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:09,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:09,878 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:09,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:09,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:09,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:09,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:09,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:09,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:09,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:09,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:09,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:09,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:09,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:09,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:09,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:09,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:09,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:09,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:09,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:09,889 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:09,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:09,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:09,890 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-24 22:56:10,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:10,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:10,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:10,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:10,171 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:10,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 22:56:13,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:13,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:13,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 22:56:13,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/d0c5c3731/aa90a16ace214bca8c7b357f1eff8bb2/FLAG6c48e4fa3 [2023-11-24 22:56:13,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/d0c5c3731/aa90a16ace214bca8c7b357f1eff8bb2 [2023-11-24 22:56:13,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:13,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:13,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:13,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:13,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:13,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:13" (1/1) ... [2023-11-24 22:56:13,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebe26bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:13, skipping insertion in model container [2023-11-24 22:56:13,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:13" (1/1) ... [2023-11-24 22:56:13,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:14,433 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) 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:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:56:14,440 INFO L158 Benchmark]: Toolchain (without parser) took 711.03ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 89.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,441 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 148.9MB. Free memory was 96.8MB in the beginning and 96.6MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:14,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.46ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 89.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 148.9MB. Free memory was 96.8MB in the beginning and 96.6MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.46ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 89.3MB in the end (delta: 13.4MB). 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:17,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:17,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:17,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:17,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:17,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:17,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:17,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:17,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:17,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:17,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:17,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:17,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:17,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:17,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:17,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:17,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:17,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:17,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:17,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:17,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:17,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:17,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:17,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:17,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:17,688 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:17,688 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:17,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:17,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:17,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:17,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:17,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:17,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:17,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:17,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:17,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:17,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:17,693 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2023-11-24 22:56:18,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:18,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:18,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:18,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:18,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:18,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 22:56:21,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:22,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:22,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i [2023-11-24 22:56:22,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/75e55de8a/d27d8222109846f0872e508e99af2e82/FLAGddceb2a8d [2023-11-24 22:56:22,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/data/75e55de8a/d27d8222109846f0872e508e99af2e82 [2023-11-24 22:56:22,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:22,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:22,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:22,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:22,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:22,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:22" (1/1) ... [2023-11-24 22:56:22,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43273281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:22, skipping insertion in model container [2023-11-24 22:56:22,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:22" (1/1) ... [2023-11-24 22:56:22,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:23,400 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-24 22:56:23,405 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-24 22:56:23,406 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-24 22:56:23,407 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-24 22:56:23,409 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-24 22:56:23,410 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-24 22:56:23,411 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-24 22:56:23,412 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-24 22:56:23,414 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-24 22:56:23,415 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-24 22:56:23,417 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-24 22:56:23,419 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-24 22:56:23,420 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-24 22:56:23,421 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-24 22:56:23,422 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-24 22:56:23,424 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-24 22:56:23,424 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-24 22:56:23,425 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-24 22:56:23,427 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-24 22:56:23,428 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-24 22:56:23,429 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-24 22:56:23,430 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-24 22:56:23,432 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-24 22:56:23,434 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-24 22:56:23,436 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-24 22:56:23,437 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-24 22:56:23,438 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-24 22:56:23,439 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-24 22:56:23,439 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-24 22:56:23,440 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-24 22:56:23,441 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-24 22:56:23,442 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-24 22:56:23,446 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-24 22:56:23,447 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-24 22:56:23,448 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-24 22:56:23,449 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-24 22:56:23,454 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-24 22:56:23,455 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-24 22:56:23,456 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-24 22:56:23,456 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-24 22:56:23,458 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-24 22:56:23,459 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-24 22:56:23,460 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-24 22:56:23,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:23,487 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:23,530 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2023-11-24 22:56:23,531 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2023-11-24 22:56:23,532 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2023-11-24 22:56:23,533 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2023-11-24 22:56:23,535 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2023-11-24 22:56:23,536 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2023-11-24 22:56:23,537 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2023-11-24 22:56:23,540 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2023-11-24 22:56:23,541 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2023-11-24 22:56:23,542 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2023-11-24 22:56:23,543 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2023-11-24 22:56:23,546 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2023-11-24 22:56:23,547 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2023-11-24 22:56:23,548 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2023-11-24 22:56:23,549 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2023-11-24 22:56:23,550 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2023-11-24 22:56:23,550 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2023-11-24 22:56:23,551 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2023-11-24 22:56:23,552 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2023-11-24 22:56:23,553 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2023-11-24 22:56:23,553 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2023-11-24 22:56:23,554 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2023-11-24 22:56:23,555 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2023-11-24 22:56:23,556 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2023-11-24 22:56:23,556 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2023-11-24 22:56:23,557 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2023-11-24 22:56:23,558 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2023-11-24 22:56:23,559 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2023-11-24 22:56:23,560 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2023-11-24 22:56:23,561 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2023-11-24 22:56:23,562 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2023-11-24 22:56:23,563 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2023-11-24 22:56:23,564 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2023-11-24 22:56:23,565 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2023-11-24 22:56:23,566 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2023-11-24 22:56:23,568 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2023-11-24 22:56:23,568 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2023-11-24 22:56:23,570 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2023-11-24 22:56:23,571 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2023-11-24 22:56:23,572 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2023-11-24 22:56:23,573 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2023-11-24 22:56:23,574 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2023-11-24 22:56:23,574 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_e3d4ebac-03ea-485d-a340-1c7e7015e24f/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2023-11-24 22:56:23,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:23,800 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:23,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23 WrapperNode [2023-11-24 22:56:23,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:23,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:23,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:23,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:23,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,909 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2023-11-24 22:56:23,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:23,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:23,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:23,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:23,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:23,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:23,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:23,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:23,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:24,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:24,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:24,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:56:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:56:24,189 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:24,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:29,587 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:29,623 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:29,624 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:29,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:29 BoogieIcfgContainer [2023-11-24 22:56:29,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:29,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:29,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:29,639 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:29,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:29" (1/1) ... [2023-11-24 22:56:29,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 137 states and 180 transitions. [2023-11-24 22:56:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2023-11-24 22:56:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:29,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:29,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:29,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:29,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:29,903 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:29,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:56:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 135 states and 177 transitions. [2023-11-24 22:56:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 177 transitions. [2023-11-24 22:56:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:29,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:29,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:29,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:56:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:56:30,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:30,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 133 states and 174 transitions. [2023-11-24 22:56:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 174 transitions. [2023-11-24 22:56:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:30,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:30,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:30,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:56:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:30,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:30,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 171 transitions. [2023-11-24 22:56:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 171 transitions. [2023-11-24 22:56:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:31,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:31,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:31,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:31,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:56:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:31,250 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:31,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 168 transitions. [2023-11-24 22:56:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2023-11-24 22:56:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:31,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:31,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:31,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:31,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:56:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:31,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 165 transitions. [2023-11-24 22:56:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 165 transitions. [2023-11-24 22:56:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:31,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:31,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 22:56:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:31,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 162 transitions. [2023-11-24 22:56:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2023-11-24 22:56:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:31,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:31,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:31,735 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 22:56:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:32,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 159 transitions. [2023-11-24 22:56:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2023-11-24 22:56:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:32,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:32,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:32,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 22:56:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:32,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 121 states and 156 transitions. [2023-11-24 22:56:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2023-11-24 22:56:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:32,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:32,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:32,717 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:32,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 22:56:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:32,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 153 transitions. [2023-11-24 22:56:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 153 transitions. [2023-11-24 22:56:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:32,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:32,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:32,882 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:32,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 22:56:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:33,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:33,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 117 states and 150 transitions. [2023-11-24 22:56:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2023-11-24 22:56:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:35,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:35,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:35,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:35,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 22:56:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:35,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 115 states and 147 transitions. [2023-11-24 22:56:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2023-11-24 22:56:35,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:35,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:35,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:35,861 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-24 22:56:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:36,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 113 states and 144 transitions. [2023-11-24 22:56:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-24 22:56:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:36,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:36,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:36,070 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:36,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-24 22:56:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:37,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-11-24 22:56:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 111 states and 141 transitions. [2023-11-24 22:56:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2023-11-24 22:56:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:38,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:38,012 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:38,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-24 22:56:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:38,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 109 states and 138 transitions. [2023-11-24 22:56:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-24 22:56:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:38,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:38,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:38,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-24 22:56:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:39,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 135 transitions. [2023-11-24 22:56:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2023-11-24 22:56:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:40,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:40,086 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:40,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-24 22:56:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:40,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 132 transitions. [2023-11-24 22:56:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-24 22:56:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:40,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:40,423 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:40,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-24 22:56:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:40,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 129 transitions. [2023-11-24 22:56:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-24 22:56:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:40,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:40,707 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:40,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-24 22:56:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:48,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:56,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-11-24 22:57:02,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:57:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 126 transitions. [2023-11-24 22:57:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2023-11-24 22:57:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:57:03,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:57:03,194 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:57:03,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d4ebac-03ea-485d-a340-1c7e7015e24f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-11-24 22:57:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:57:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:03,442 INFO L285 TraceCheckSpWp]: Computing forward predicates...