./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.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_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/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_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/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_7272ee50-a5c0-469c-82e8-6a6b52370b91/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 9755abd7d064e34f28a7925956d70f347b4f23d37bcf6f990a1fbab92f669b34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:44:41,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:44:41,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:44:41,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:44:41,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:44:42,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:44:42,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:44:42,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:44:42,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:44:42,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:44:42,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:44:42,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:44:42,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:44:42,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:44:42,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:44:42,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:44:42,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:44:42,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:44:42,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:44:42,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:42,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:44:42,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:44:42,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:44:42,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:44:42,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:44:42,034 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/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 -> 9755abd7d064e34f28a7925956d70f347b4f23d37bcf6f990a1fbab92f669b34 [2024-11-13 22:44:42,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:44:42,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:44:42,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:44:42,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:44:42,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:44:42,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i Unable to find full path for "g++" [2024-11-13 22:44:44,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:44:44,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:44:44,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i [2024-11-13 22:44:44,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/8663028e3/542bb2d977ce4f729079bf18a8571135/FLAGf8e6aee86 [2024-11-13 22:44:44,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/8663028e3/542bb2d977ce4f729079bf18a8571135 [2024-11-13 22:44:44,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:44:44,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:44:44,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:44,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:44:44,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:44:44,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:44" (1/1) ... [2024-11-13 22:44:44,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc5708a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:44, skipping insertion in model container [2024-11-13 22:44:44,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:44" (1/1) ... [2024-11-13 22:44:44,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:44:44,642 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i[948,961] [2024-11-13 22:44:44,661 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:44:44,670 INFO L158 Benchmark]: Toolchain (without parser) took 233.50ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 82.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:44,672 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:44,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.10ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:44,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.10ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 82.9MB 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/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_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/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_7272ee50-a5c0-469c-82e8-6a6b52370b91/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 9755abd7d064e34f28a7925956d70f347b4f23d37bcf6f990a1fbab92f669b34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:44:47,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:44:47,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:44:47,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:44:47,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:44:47,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:44:47,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:44:47,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:44:47,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:44:47,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:44:47,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:44:47,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:44:47,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:44:47,304 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:44:47,304 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:44:47,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:44:47,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:47,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:44:47,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:44:47,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:44:47,305 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:44:47,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:44:47,305 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:44:47,305 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/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 -> 9755abd7d064e34f28a7925956d70f347b4f23d37bcf6f990a1fbab92f669b34 [2024-11-13 22:44:47,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:44:47,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:44:47,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:44:47,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:44:47,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:44:47,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i Unable to find full path for "g++" [2024-11-13 22:44:49,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:44:49,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:44:49,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i [2024-11-13 22:44:49,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/9ac6cb33f/d695986976cb4a7c9f8c1ede11315ad8/FLAG8667c9d7b [2024-11-13 22:44:50,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/data/9ac6cb33f/d695986976cb4a7c9f8c1ede11315ad8 [2024-11-13 22:44:50,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:44:50,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:44:50,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:50,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:44:50,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:44:50,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6fb0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50, skipping insertion in model container [2024-11-13 22:44:50,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:44:50,302 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i[948,961] [2024-11-13 22:44:50,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:50,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:44:50,384 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_7272ee50-a5c0-469c-82e8-6a6b52370b91/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound50.i[948,961] [2024-11-13 22:44:50,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:44:50,439 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:44:50,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50 WrapperNode [2024-11-13 22:44:50,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:44:50,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:50,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:44:50,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:44:50,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,483 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2024-11-13 22:44:50,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:44:50,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:44:50,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:44:50,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:44:50,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:44:50,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:44:50,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:44:50,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:44:50,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:50" (1/1) ... [2024-11-13 22:44:50,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:44:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:44:50,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:44:50,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:44:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:44:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:44:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:44:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:44:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:44:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:44:50,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:44:50,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:01,588 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:01,589 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:01,676 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:01,676 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:45:01,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:01 BoogieIcfgContainer [2024-11-13 22:45:01,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:01,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:01,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:01,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:01,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:01" (1/1) ... [2024-11-13 22:45:01,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 22:45:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 22:45:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:45:01,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:01,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:45:01,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:45:01,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7272ee50-a5c0-469c-82e8-6a6b52370b91/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process