./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/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_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3 --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 f7c2c0f04a8ec4985dc8297aaa6f2bb0534ef908d102354702fc27f17d7b5004 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:27,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:27,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:03:27,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:03:27,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:03:27,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:27,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:27,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:27,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:27,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:27,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:27,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:27,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:27,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:27,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:27,598 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:27,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:27,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:27,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:27,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:27,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:27,599 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:03:27,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:03:27,599 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_da5d18f5-166c-49b6-a2b1-789317487b36/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 ! 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 -> f7c2c0f04a8ec4985dc8297aaa6f2bb0534ef908d102354702fc27f17d7b5004 [2024-11-25 02:03:27,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:27,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:27,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:27,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:27,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:27,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i [2024-11-25 02:03:30,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/ae4fe0109/f240236afad54bb6a7cad40670ebfd71/FLAG6b48bfc45 [2024-11-25 02:03:31,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:31,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i [2024-11-25 02:03:31,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/ae4fe0109/f240236afad54bb6a7cad40670ebfd71/FLAG6b48bfc45 [2024-11-25 02:03:31,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/ae4fe0109/f240236afad54bb6a7cad40670ebfd71 [2024-11-25 02:03:31,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:31,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:31,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:31,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:31,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:31,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:31" (1/1) ... [2024-11-25 02:03:31,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530f48d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:31, skipping insertion in model container [2024-11-25 02:03:31,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:31" (1/1) ... [2024-11-25 02:03:31,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:31,386 WARN L250 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_da5d18f5-166c-49b6-a2b1-789317487b36/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i[948,961] [2024-11-25 02:03:31,407 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:03:31,417 INFO L158 Benchmark]: Toolchain (without parser) took 253.34ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:31,417 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:31,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.08ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:31,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.08ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.9MB in the end (delta: 9.6MB). 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_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/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_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3 --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 f7c2c0f04a8ec4985dc8297aaa6f2bb0534ef908d102354702fc27f17d7b5004 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:33,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:34,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:03:34,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:34,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:34,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:34,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:34,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:34,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:34,147 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:34,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:34,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:03:34,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:34,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:34,149 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:03:34,150 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:34,150 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:03:34,152 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_da5d18f5-166c-49b6-a2b1-789317487b36/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 ! 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 -> f7c2c0f04a8ec4985dc8297aaa6f2bb0534ef908d102354702fc27f17d7b5004 [2024-11-25 02:03:34,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:34,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:34,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:34,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:34,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:34,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i [2024-11-25 02:03:37,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/82303fe39/e007bb703e9145fb9ac43bbff0961fe6/FLAGd411ff3eb [2024-11-25 02:03:37,821 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:37,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i [2024-11-25 02:03:37,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/82303fe39/e007bb703e9145fb9ac43bbff0961fe6/FLAGd411ff3eb [2024-11-25 02:03:37,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/data/82303fe39/e007bb703e9145fb9ac43bbff0961fe6 [2024-11-25 02:03:37,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:37,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:37,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:37,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:37,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:37,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:37" (1/1) ... [2024-11-25 02:03:37,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9ee6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:37, skipping insertion in model container [2024-11-25 02:03:37,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:37" (1/1) ... [2024-11-25 02:03:37,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:38,058 WARN L250 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_da5d18f5-166c-49b6-a2b1-789317487b36/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i[948,961] [2024-11-25 02:03:38,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:38,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:38,156 WARN L250 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_da5d18f5-166c-49b6-a2b1-789317487b36/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound1.i[948,961] [2024-11-25 02:03:38,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:38,214 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:38,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38 WrapperNode [2024-11-25 02:03:38,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:38,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:38,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:38,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:38,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,267 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2024-11-25 02:03:38,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:38,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:38,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:38,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:38,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:38,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:38,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:38,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:38,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:38" (1/1) ... [2024-11-25 02:03:38,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:38,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:38,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:03:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:03:38,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:03:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:38,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:03:38,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:03:38,493 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:38,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:49,537 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:49,537 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:49,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:49,679 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:03:49,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:49 BoogieIcfgContainer [2024-11-25 02:03:49,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:49,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:49,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:49,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:49,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:49" (1/1) ... [2024-11-25 02:03:49,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 02:03:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 02:03:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:03:49,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:49,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:49,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:49,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da5d18f5-166c-49b6-a2b1-789317487b36/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process