./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:13:16,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:13:16,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:13:16,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:13:16,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:13:16,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:13:16,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:13:16,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:13:16,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:13:16,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:13:16,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:13:16,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:13:16,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:13:16,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:13:16,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:13:16,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:13:16,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:13:16,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:13:16,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:13:16,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:13:16,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:13:16,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:13:16,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:13:16,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3 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 ! overflow) ) 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 -> a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca [2024-11-25 04:13:17,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:13:17,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:13:17,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:13:17,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:13:17,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:13:17,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-25 04:13:20,268 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/dddbc6204/27f68aa7b46f4e5cb96cab675c55777d/FLAGbbbaa3f6b [2024-11-25 04:13:20,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:13:20,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-25 04:13:20,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/dddbc6204/27f68aa7b46f4e5cb96cab675c55777d/FLAGbbbaa3f6b [2024-11-25 04:13:20,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/dddbc6204/27f68aa7b46f4e5cb96cab675c55777d [2024-11-25 04:13:20,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:13:20,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:13:20,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:13:20,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:13:20,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:13:20,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:20" (1/1) ... [2024-11-25 04:13:20,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df0cb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:20, skipping insertion in model container [2024-11-25 04:13:20,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:20" (1/1) ... [2024-11-25 04:13:20,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:13:20,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) 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:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:13:20,891 INFO L158 Benchmark]: Toolchain (without parser) took 218.00ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:13:20,892 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 167.8MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:13:20,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:13:20,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 167.8MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:13:23,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:13:23,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:13:23,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:13:23,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:13:23,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:13:23,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:13:23,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:13:23,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:13:23,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:13:23,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:13:23,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:13:23,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:13:23,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:13:23,542 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:23,542 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:13:23,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:13:23,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:13:23,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:13:23,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:13:23,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:13:23,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:13:23,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:23,545 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:13:23,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3 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 ! overflow) ) 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 -> a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca [2024-11-25 04:13:23,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:13:23,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:13:23,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:13:23,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:13:23,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:13:23,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-25 04:13:27,080 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/091ab11e7/c554613a0d734079b150f601d64e3852/FLAG386954ff5 [2024-11-25 04:13:27,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:13:27,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-25 04:13:27,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/091ab11e7/c554613a0d734079b150f601d64e3852/FLAG386954ff5 [2024-11-25 04:13:27,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/data/091ab11e7/c554613a0d734079b150f601d64e3852 [2024-11-25 04:13:27,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:13:27,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:13:27,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:13:27,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:13:27,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:13:27,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3deb6bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27, skipping insertion in model container [2024-11-25 04:13:27,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:13:27,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:13:27,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:13:27,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:13:27,696 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:13:27,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27 WrapperNode [2024-11-25 04:13:27,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:13:27,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:13:27,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:13:27,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:13:27,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,735 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-25 04:13:27,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:13:27,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:13:27,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:13:27,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:13:27,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:13:27,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:13:27,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:13:27,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:13:27,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:13:27" (1/1) ... [2024-11-25 04:13:27,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:13:27,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:13:27,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:13:27,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:13:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:13:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:13:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:13:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:13:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:13:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:13:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:13:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:13:27,929 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:13:27,931 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:13:38,955 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 04:13:38,955 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:13:39,054 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:13:39,054 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:13:39,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:39 BoogieIcfgContainer [2024-11-25 04:13:39,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:13:39,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:13:39,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:13:39,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:13:39,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:39" (1/1) ... [2024-11-25 04:13:39,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:13:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 04:13:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 04:13:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:13:39,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:39,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:39,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:39,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:39,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:13:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:39,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:13:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:40,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:13:40,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:13:40,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:13:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 04:13:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 04:13:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:13:40,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:40,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:40,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:40,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:40,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:13:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:44,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:13:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:45,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:13:45,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:13:46,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:13:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 04:13:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 04:13:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:13:47,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:47,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:47,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:47,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:47,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:13:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:52,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:13:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:53,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:13:53,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:13:55,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:13:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-11-25 04:13:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-25 04:13:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:13:59,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:59,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:59,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:59,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:59,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:14:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:04,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:05,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:14:05,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:14:09,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 04:14:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-11-25 04:14:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-25 04:14:18,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:14:18,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:18,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:18,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:18,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:14:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:24,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:26,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:14:26,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-25 04:14:31,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:14:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:14:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2024-11-25 04:14:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-11-25 04:14:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 04:14:41,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:14:41,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:14:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:14:41,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:14:41,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:14:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:46,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:14:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:14:48,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:14:48,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:14:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-25 04:14:54,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:15:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2024-11-25 04:15:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2024-11-25 04:15:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 04:15:08,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:08,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:08,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:08,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:08,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:15:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:14,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:15,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:15:15,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:15:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 04:15:25,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:15:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:15:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2024-11-25 04:15:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-25 04:15:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 04:15:42,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:15:42,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:15:42,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:15:42,034 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:15:42,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:15:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:48,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:15:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:15:50,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:15:50,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-25 04:16:02,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:16:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2024-11-25 04:16:21,819 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-11-25 04:16:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-25 04:16:21,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:21,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:21,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:16:21,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:16:21,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:16:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:28,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:16:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:30,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:16:30,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 882 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-25 04:16:43,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 04:17:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2024-11-25 04:17:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2024-11-25 04:17:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-25 04:17:04,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:04,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:04,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:04,916 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:17:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:11,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:12,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:17:12,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 1172 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-25 04:17:28,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2024-11-25 04:17:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-11-25 04:17:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-25 04:17:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:52,902 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:52,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:17:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:59,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:01,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:18:01,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 0 proven. 1503 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-25 04:18:18,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:18:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2024-11-25 04:18:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2024-11-25 04:18:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-25 04:18:47,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:47,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:47,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:47,393 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:47,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:18:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:53,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:55,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:18:55,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-25 04:19:16,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 04:19:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 133 states and 189 transitions. [2024-11-25 04:19:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 189 transitions. [2024-11-25 04:19:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-25 04:19:47,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:47,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:47,961 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:47,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:19:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:55,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:57,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 04:19:57,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2422 backedges. 0 proven. 2288 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-25 04:20:20,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 04:20:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2024-11-25 04:20:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2024-11-25 04:20:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-25 04:20:56,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:56,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:56,171 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:56,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:21:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:03,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:05,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:21:05,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:21:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2742 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-25 04:21:33,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:22:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 155 states and 221 transitions. [2024-11-25 04:22:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 221 transitions. [2024-11-25 04:22:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-25 04:22:15,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:15,792 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:15,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:22:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:23,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:25,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:22:25,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3395 backedges. 0 proven. 3237 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-25 04:23:02,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:23:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 166 states and 237 transitions. [2024-11-25 04:23:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2024-11-25 04:23:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-25 04:23:50,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:50,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:50,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:50,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:50,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:23:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:58,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:01,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 04:24:01,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3943 backedges. 0 proven. 3773 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-25 04:24:39,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:25:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 177 states and 253 transitions. [2024-11-25 04:25:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2024-11-25 04:25:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-25 04:25:32,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:32,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:32,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:32,861 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:32,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:25:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:40,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:42,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 04:25:42,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4532 backedges. 0 proven. 4350 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-25 04:26:19,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 04:27:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 188 states and 269 transitions. [2024-11-25 04:27:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 269 transitions. [2024-11-25 04:27:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-25 04:27:12,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:12,765 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:12,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:27:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:20,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:22,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 04:27:22,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5162 backedges. 0 proven. 4968 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-25 04:27:59,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d0a4813-eec8-41ca-9857-6ce10d57d2cd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0