./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm --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 a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:29:07,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:29:07,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:29:07,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:29:07,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:29:07,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:29:07,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:29:07,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:29:07,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:29:07,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:29:07,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:29:07,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:29:07,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:29:07,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:29:07,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:29:07,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:29:07,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:29:07,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:29:07,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:29:07,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:29:07,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:29:07,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:29:07,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:07,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:29:07,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:29:07,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:29:07,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:29:07,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:29:07,676 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm 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 -> a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca [2024-11-13 20:29:07,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:29:07,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:29:07,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:29:07,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:29:07,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:29:07,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i Unable to find full path for "g++" [2024-11-13 20:29:09,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:29:10,188 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:29:10,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-13 20:29:10,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/fc6a296d6/fa59baa1e8584c119a7ba466207c2223/FLAG4e5c0a6d4 [2024-11-13 20:29:10,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/fc6a296d6/fa59baa1e8584c119a7ba466207c2223 [2024-11-13 20:29:10,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:29:10,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:29:10,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:10,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:29:10,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:29:10,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30236e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:10, skipping insertion in model container [2024-11-13 20:29:10,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:10" (1/1) ... [2024-11-13 20:29:10,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:29:10,489 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i[948,961] [2024-11-13 20:29:10,510 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:1611) 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:792) 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:1516) 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:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:29:10,521 INFO L158 Benchmark]: Toolchain (without parser) took 251.63ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:10,522 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:29:10,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.87ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 108.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:29:10,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.87ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 108.5MB 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm --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 a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:29:13,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:29:13,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:29:13,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:29:13,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:29:13,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:29:13,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:29:13,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:29:13,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:29:13,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:29:13,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:29:13,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:29:13,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:29:13,209 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:29:13,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:29:13,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:29:13,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:29:13,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:29:13,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:29:13,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:29:13,211 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:13,211 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:29:13,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:29:13,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:13,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:29:13,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:29:13,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:29:13,212 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:29:13,212 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:13,212 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:29:13,212 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm 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 -> a7fa1e9ac124be7df5e34562d5b429ca8fe63eb55860b2847e9a80f279d444ca [2024-11-13 20:29:13,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:29:13,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:29:13,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:29:13,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:29:13,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:29:13,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i Unable to find full path for "g++" [2024-11-13 20:29:15,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:29:15,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:29:15,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i [2024-11-13 20:29:15,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/5ab4f10d5/73e98e0135f0421f9ce2792b6d286de6/FLAGaaec7169e [2024-11-13 20:29:16,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/data/5ab4f10d5/73e98e0135f0421f9ce2792b6d286de6 [2024-11-13 20:29:16,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:29:16,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:29:16,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:16,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:29:16,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:29:16,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c51a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16, skipping insertion in model container [2024-11-13 20:29:16,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:29:16,251 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i[948,961] [2024-11-13 20:29:16,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:16,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:29:16,318 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_829b06bf-ddc7-43e4-8287-d72f4a4c350b/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound100.i[948,961] [2024-11-13 20:29:16,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:29:16,366 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:29:16,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16 WrapperNode [2024-11-13 20:29:16,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:29:16,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:16,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:29:16,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:29:16,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,399 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2024-11-13 20:29:16,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:29:16,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:29:16,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:29:16,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:29:16,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:29:16,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:29:16,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:29:16,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:29:16,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:29:16" (1/1) ... [2024-11-13 20:29:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:29:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:29:16,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:29:16,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:29:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:29:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:29:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:29:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:29:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:29:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:29:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:29:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:29:16,605 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:29:16,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:29:27,623 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:29:27,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:29:27,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:29:27,716 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:29:27,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:27 BoogieIcfgContainer [2024-11-13 20:29:27,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:29:27,717 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:29:27,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:29:27,728 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:29:27,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:29:27" (1/1) ... [2024-11-13 20:29:27,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:29:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 20:29:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 20:29:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:29:27,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:27,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:27,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:27,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829b06bf-ddc7-43e4-8287-d72f4a4c350b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process