./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57b5e0932e2ae1d13ff96f4ee516144e471d697de2e183c71b602b9615c31f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:30:12,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:30:12,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:30:12,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:30:12,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:30:12,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:30:12,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:30:12,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:30:12,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:30:12,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:30:12,418 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:30:12,418 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:30:12,418 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:30:12,419 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:30:12,419 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:30:12,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:30:12,420 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:30:12,420 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:30:12,420 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:30:12,420 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:30:12,420 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:30:12,420 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:30:12,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:30:12,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:30:12,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:30:12,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:30:12,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:30:12,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:30:12,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:30:12,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:30:12,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:30:12,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:30:12,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:30:12,425 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:30:12,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:30:12,425 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> d57b5e0932e2ae1d13ff96f4ee516144e471d697de2e183c71b602b9615c31f3 [2024-11-14 05:30:12,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:30:12,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:30:12,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:30:12,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:30:12,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:30:12,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i Unable to find full path for "g++" [2024-11-14 05:30:14,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:30:15,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:30:15,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-11-14 05:30:15,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/d6e053673/7a4951df5cca4f61bca4a4eab636c7be/FLAG3d6f7efde [2024-11-14 05:30:15,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/d6e053673/7a4951df5cca4f61bca4a4eab636c7be [2024-11-14 05:30:15,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:30:15,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:30:15,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:30:15,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:30:15,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:30:15,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:15" (1/1) ... [2024-11-14 05:30:15,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c8fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:15, skipping insertion in model container [2024-11-14 05:30:15,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:15" (1/1) ... [2024-11-14 05:30:15,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:30:15,328 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i[948,961] [2024-11-14 05:30:15,347 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 05:30:15,358 INFO L158 Benchmark]: Toolchain (without parser) took 244.11ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:30:15,358 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:30:15,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.66ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:30:15,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.66ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 82.7MB 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57b5e0932e2ae1d13ff96f4ee516144e471d697de2e183c71b602b9615c31f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:30:18,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:30:18,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:30:18,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:30:18,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:30:18,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:30:18,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:30:18,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:30:18,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:30:18,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:30:18,222 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:30:18,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:30:18,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:30:18,222 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:30:18,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:30:18,223 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:30:18,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:30:18,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:30:18,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:30:18,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:30:18,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:30:18,227 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:30:18,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:30:18,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:30:18,227 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:30:18,227 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> d57b5e0932e2ae1d13ff96f4ee516144e471d697de2e183c71b602b9615c31f3 [2024-11-14 05:30:18,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:30:18,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:30:18,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:30:18,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:30:18,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:30:18,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i Unable to find full path for "g++" [2024-11-14 05:30:20,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:30:20,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:30:20,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-11-14 05:30:20,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/340352dc5/c4903aba4ccc4eddbbec6a143e304be5/FLAGb32a492c6 [2024-11-14 05:30:21,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/data/340352dc5/c4903aba4ccc4eddbbec6a143e304be5 [2024-11-14 05:30:21,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:30:21,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:30:21,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:30:21,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:30:21,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:30:21,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdc818f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21, skipping insertion in model container [2024-11-14 05:30:21,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:30:21,228 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i[948,961] [2024-11-14 05:30:21,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:30:21,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:30:21,289 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_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i[948,961] [2024-11-14 05:30:21,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:30:21,325 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:30:21,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21 WrapperNode [2024-11-14 05:30:21,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:30:21,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:30:21,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:30:21,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:30:21,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,366 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-11-14 05:30:21,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:30:21,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:30:21,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:30:21,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:30:21,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:30:21,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:30:21,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:30:21,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:30:21,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (1/1) ... [2024-11-14 05:30:21,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:30:21,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:30:21,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:30:21,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:30:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:30:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:30:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:30:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:30:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:30:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:30:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:30:21,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:30:21,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:30:21,569 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:30:24,496 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 05:30:24,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:30:24,507 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:30:24,507 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:30:24,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:24 BoogieIcfgContainer [2024-11-14 05:30:24,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:30:24,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:30:24,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:30:24,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:30:24,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:30:21" (1/3) ... [2024-11-14 05:30:24,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558926fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:24, skipping insertion in model container [2024-11-14 05:30:24,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:21" (2/3) ... [2024-11-14 05:30:24,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558926fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:24, skipping insertion in model container [2024-11-14 05:30:24,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:24" (3/3) ... [2024-11-14 05:30:24,519 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth_valuebound10.i [2024-11-14 05:30:24,537 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:30:24,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG knuth_valuebound10.i that has 3 procedures, 31 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:30:24,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:30:24,607 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@301e112f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:30:24,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:30:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:30:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 05:30:24,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:30:24,619 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:30:24,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:30:24,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:30:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1940833664, now seen corresponding path program 1 times [2024-11-14 05:30:24,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:30:24,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305332587] [2024-11-14 05:30:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:30:24,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:30:24,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:30:24,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:30:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:30:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:30:24,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:30:24,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:30:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 05:30:25,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:30:25,013 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:30:25,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305332587] [2024-11-14 05:30:25,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305332587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:30:25,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:30:25,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:30:25,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654246049] [2024-11-14 05:30:25,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:30:25,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:30:25,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:30:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:30:25,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:30:25,042 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:30:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:30:25,068 INFO L93 Difference]: Finished difference Result 59 states and 92 transitions. [2024-11-14 05:30:25,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:30:25,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2024-11-14 05:30:25,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:30:25,078 INFO L225 Difference]: With dead ends: 59 [2024-11-14 05:30:25,078 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 05:30:25,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:30:25,087 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:30:25,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:30:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 05:30:25,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-14 05:30:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:30:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-11-14 05:30:25,133 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 29 [2024-11-14 05:30:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:30:25,135 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-11-14 05:30:25,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:30:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-14 05:30:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 05:30:25,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:30:25,137 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:30:25,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:30:25,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:30:25,338 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:30:25,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:30:25,338 INFO L85 PathProgramCache]: Analyzing trace with hash 474679620, now seen corresponding path program 1 times [2024-11-14 05:30:25,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:30:25,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192258895] [2024-11-14 05:30:25,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:30:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:30:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:30:25,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:30:25,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:30:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:30:26,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 05:30:26,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:30:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-14 05:30:32,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:30:40,591 WARN L873 $PredicateComparison]: unable to prove that (= (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|) (let ((.cse2 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse0 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse3 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse1)) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse3)) (bvneg (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse0))) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv8 32) .cse3)) |c_ULTIMATE.start_main_~a~0#1|)))))) is different from true [2024-11-14 05:30:50,053 WARN L873 $PredicateComparison]: unable to prove that (or (= (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|) (let ((.cse2 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse0 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|)) (.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse3 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse1)) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse2))) (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse3)) (bvneg (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse0))) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv8 32) .cse3)) |c_ULTIMATE.start_main_~a~0#1|)))))) (not (bvugt |c_ULTIMATE.start_main_~a~0#1| (_ bv2 32)))) is different from true [2024-11-14 05:31:00,713 WARN L873 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ BitVec 32))) (or (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv2 32)) (= (let ((.cse2 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv4294967294 32)))) (let ((.cse1 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse2)) (.cse3 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (.cse0 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)))) (bvadd (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv8 32) .cse1)))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| .cse1)) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse2))) (bvneg (bvmul (bvmul (_ bv4 32) .cse3) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv8 32) .cse3) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| .cse0))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5|)))) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))) is different from true [2024-11-14 05:31:19,435 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ BitVec 32))) (or (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv2 32)) (= (let ((.cse2 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (_ bv4294967294 32)))) (let ((.cse1 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse2)) (.cse3 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (.cse0 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)))) (bvadd (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv8 32) .cse1)))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| .cse1)) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5| .cse2))) (bvneg (bvmul (bvmul (_ bv4 32) .cse3) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3|)) (bvmul (_ bv8 32) .cse3) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_3| .cse0))))) (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_5|)))) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))) is different from true [2024-11-14 05:31:38,966 WARN L873 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (or (not (bvule |ULTIMATE.start_main_~a~0#1| (_ bv10 32))) (not (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (= (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|) (let ((.cse3 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse0 (bvurem |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse2 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse1 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse3))) (bvadd (bvneg (bvmul |ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse0))) (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1| .cse1)) (bvmul (_ bv4 32) (bvmul .cse2 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|)) (bvmul (_ bv8 32) .cse0) (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse3))) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul (_ bv8 32) .cse1)) |ULTIMATE.start_main_~a~0#1|)))))))) is different from true [2024-11-14 05:31:38,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:31:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192258895] [2024-11-14 05:31:38,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192258895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:31:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [999404807] [2024-11-14 05:31:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:31:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:31:38,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:31:38,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:31:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:31:46,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 05:31:46,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:31:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-14 05:31:49,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:32:09,838 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ BitVec 32))) (or (= (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11|) (let ((.cse3 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ bv4294967294 32)))) (let ((.cse1 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7|))) (.cse0 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| .cse3)) (.cse2 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7|))) (bvadd (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv8 32) .cse1)))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| .cse1)) (bvmul (_ bv8 32) .cse2) (bvmul (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| .cse0) (_ bv4 32)) (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvmul (_ bv4 32) .cse2))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| .cse3))))))) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ bv2 32))))) is different from true [2024-11-14 05:32:28,494 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ BitVec 32))) (or (= (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11|) (let ((.cse3 (bvadd |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ bv4294967294 32)))) (let ((.cse1 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7|))) (.cse0 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| .cse3)) (.cse2 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7|))) (bvadd (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvadd (bvmul (_ bv8 32) .cse0) (bvmul (_ bv8 32) .cse1)))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| .cse1)) (bvmul (_ bv8 32) .cse2) (bvmul (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| .cse0) (_ bv4 32)) (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvmul (_ bv4 32) .cse2))) (bvmul (_ bv4 32) (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_11| .cse3))))))) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_7| (_ bv2 32))))) is different from true [2024-11-14 05:32:45,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [999404807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:32:45,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936636335] [2024-11-14 05:32:45,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:32:45,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:32:45,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:32:45,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:32:45,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:32:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:32:47,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:32:47,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:32:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:32:51,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:32:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936636335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:32:51,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:32:51,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10, 10] total 10 [2024-11-14 05:32:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275928818] [2024-11-14 05:32:51,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:32:51,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:32:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:32:51,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:32:51,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=133, Unknown=7, NotChecked=196, Total=380 [2024-11-14 05:32:51,524 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 05:32:55,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:33:02,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:02,875 INFO L93 Difference]: Finished difference Result 44 states and 59 transitions. [2024-11-14 05:33:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 05:33:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2024-11-14 05:33:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:02,885 INFO L225 Difference]: With dead ends: 44 [2024-11-14 05:33:02,885 INFO L226 Difference]: Without dead ends: 42 [2024-11-14 05:33:02,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 22.6s TimeCoverageRelationStatistics Valid=61, Invalid=200, Unknown=7, NotChecked=238, Total=506 [2024-11-14 05:33:02,886 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 56 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:02,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 101 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 05:33:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-14 05:33:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2024-11-14 05:33:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 05:33:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2024-11-14 05:33:02,900 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 29 [2024-11-14 05:33:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:02,901 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-14 05:33:02,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 05:33:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-14 05:33:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-14 05:33:02,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:02,902 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:03,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:33:03,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:33:03,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 05:33:03,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:33:03,503 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:33:03,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1079711530, now seen corresponding path program 1 times [2024-11-14 05:33:03,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:33:03,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174469225] [2024-11-14 05:33:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:33:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:33:03,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:33:03,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:33:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:03,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:33:03,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:33:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 05:33:04,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:33:04,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:33:04,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174469225] [2024-11-14 05:33:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174469225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:33:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:33:04,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:33:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603872150] [2024-11-14 05:33:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:33:04,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:33:04,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:33:04,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:33:04,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:33:04,295 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 05:33:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:33:05,196 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2024-11-14 05:33:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:33:05,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2024-11-14 05:33:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:33:05,203 INFO L225 Difference]: With dead ends: 46 [2024-11-14 05:33:05,203 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 05:33:05,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:33:05,204 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:33:05,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 130 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 05:33:05,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 05:33:05,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2024-11-14 05:33:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:33:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2024-11-14 05:33:05,220 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 34 [2024-11-14 05:33:05,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:33:05,220 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-11-14 05:33:05,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 05:33:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-14 05:33:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 05:33:05,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:05,223 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:05,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:33:05,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:33:05,424 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:33:05,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash -841020348, now seen corresponding path program 1 times [2024-11-14 05:33:05,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:33:05,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419675533] [2024-11-14 05:33:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:05,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:33:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:33:05,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:33:05,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:33:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:33:06,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 05:33:06,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:33:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 05:33:15,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:33:41,453 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse7 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse8)) (.cse6 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse5 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (let ((.cse1 (bvmul (_ bv8 32) .cse5)) (.cse2 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse6))) (.cse3 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse8)))) (.cse0 (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (.cse4 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse7)))) (or (not (= .cse0 (bvadd .cse1 .cse2 .cse3 .cse4 (bvneg (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse5))) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse6) (bvmul (_ bv8 32) .cse7)) |c_ULTIMATE.start_main_~a~0#1|))))) (= (_ bv0 32) (bvadd (bvneg (bvmul (bvmul (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1|) .cse5)) .cse1 .cse2 .cse3 (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse7) (bvmul (_ bv4 32) .cse6)) (bvmul (_ bv2 32) |c_ULTIMATE.start_main_~a~0#1|))) (bvneg .cse0) .cse4)))))) is different from true [2024-11-14 05:33:54,384 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse7 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse8)) (.cse6 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse5 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (let ((.cse1 (bvmul (_ bv8 32) .cse5)) (.cse2 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse6))) (.cse3 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse8)))) (.cse0 (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (.cse4 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse7)))) (or (not (= .cse0 (bvadd .cse1 .cse2 .cse3 .cse4 (bvneg (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse5))) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse6) (bvmul (_ bv8 32) .cse7)) |c_ULTIMATE.start_main_~a~0#1|))))) (= (_ bv0 32) (bvadd (bvneg (bvmul (bvmul (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1|) .cse5)) .cse1 .cse2 .cse3 (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse7) (bvmul (_ bv4 32) .cse6)) (bvmul (_ bv2 32) |c_ULTIMATE.start_main_~a~0#1|))) (bvneg .cse0) .cse4)) (not (bvugt |c_ULTIMATE.start_main_~a~0#1| (_ bv2 32))))))) is different from true [2024-11-14 05:34:08,893 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (let ((.cse2 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| .cse8)) (.cse3 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (let ((.cse7 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25|)) (.cse0 (bvmul .cse1 (_ bv8 32))) (.cse4 (bvmul (_ bv4 32) (bvmul .cse3 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse5 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse6 (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|)))) (or (not (= (bvadd .cse0 (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (bvmul .cse1 (_ bv4 32)))) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse3 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|)) .cse4 .cse5 .cse6) .cse7)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (_ bv2 32)) (= (_ bv0 32) (bvadd (bvneg .cse7) .cse0 .cse4 .cse5 (bvneg (bvmul (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|) (bvadd (bvmul .cse2 (_ bv4 32)) (bvmul .cse3 (_ bv4 32))))) (bvneg (bvmul .cse1 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) .cse6)))))))) is different from true [2024-11-14 05:34:35,917 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (let ((.cse2 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| .cse8)) (.cse3 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (let ((.cse7 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25|)) (.cse0 (bvmul .cse1 (_ bv8 32))) (.cse4 (bvmul (_ bv4 32) (bvmul .cse3 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse5 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_25| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) (.cse6 (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|)))) (or (not (= (bvadd .cse0 (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (bvmul .cse1 (_ bv4 32)))) (bvneg (bvmul (bvadd (bvmul .cse2 (_ bv8 32)) (bvmul .cse3 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|)) .cse4 .cse5 .cse6) .cse7)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18| (_ bv2 32)) (= (_ bv0 32) (bvadd (bvneg .cse7) .cse0 .cse4 .cse5 (bvneg (bvmul (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|) (bvadd (bvmul .cse2 (_ bv4 32)) (bvmul .cse3 (_ bv4 32))))) (bvneg (bvmul .cse1 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_18|))) .cse6)))))))) is different from true [2024-11-14 05:35:04,356 WARN L873 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (let ((.cse8 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse7 (bvurem |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse0 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse8))) (let ((.cse4 (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (.cse2 (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1| .cse0))) (.cse3 (bvmul (_ bv4 32) (bvmul .cse1 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse5 (bvmul (_ bv8 32) .cse7)) (.cse6 (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse8))))) (or (not (bvule |ULTIMATE.start_main_~a~0#1| (_ bv10 32))) (= (_ bv0 32) (bvadd (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse0) (bvmul .cse1 (_ bv4 32))) (bvmul |ULTIMATE.start_main_~a~0#1| (_ bv2 32)))) .cse2 .cse3 (bvneg .cse4) .cse5 .cse6 (bvneg (bvmul (bvmul |ULTIMATE.start_main_~a~0#1| (_ bv4 32)) .cse7)))) (not (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (not (= .cse4 (bvadd (bvneg (bvmul |ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse7))) .cse2 .cse3 .cse5 .cse6 (bvneg (bvmul (bvadd (bvmul .cse1 (_ bv8 32)) (bvmul (_ bv8 32) .cse0)) |ULTIMATE.start_main_~a~0#1|)))))))))) is different from true [2024-11-14 05:35:04,357 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:04,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419675533] [2024-11-14 05:35:04,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419675533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:35:04,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1820357988] [2024-11-14 05:35:04,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:04,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:35:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:35:04,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:35:04,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 05:35:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:12,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 05:35:12,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 05:35:21,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:35:59,505 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (let ((.cse0 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) (.cse5 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse6 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| .cse8))) (let ((.cse2 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35|)) (.cse1 (bvmul (_ bv4 32) (bvmul .cse6 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse3 (bvmul (_ bv4 32) (bvmul .cse5 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse4 (bvmul (_ bv8 32) .cse0)) (.cse7 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)))) (or (= (_ bv0 32) (bvadd (bvneg (bvmul .cse0 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) .cse1 (bvneg .cse2) .cse3 .cse4 (bvneg (bvmul (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|) (bvadd (bvmul (_ bv4 32) .cse5) (bvmul .cse6 (_ bv4 32))))) .cse7)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| (_ bv2 32)) (not (= .cse2 (bvadd (bvneg (bvmul (bvmul (_ bv4 32) .cse0) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) .cse1 .cse3 .cse4 (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse5) (bvmul .cse6 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) .cse7))))))))) is different from true [2024-11-14 05:36:26,626 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (let ((.cse0 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) (.cse5 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse6 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| .cse8))) (let ((.cse2 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35|)) (.cse1 (bvmul (_ bv4 32) (bvmul .cse6 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse3 (bvmul (_ bv4 32) (bvmul .cse5 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) (.cse4 (bvmul (_ bv8 32) .cse0)) (.cse7 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_35| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)))) (or (= (_ bv0 32) (bvadd (bvneg (bvmul .cse0 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|))) .cse1 (bvneg .cse2) .cse3 .cse4 (bvneg (bvmul (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|) (bvadd (bvmul (_ bv4 32) .cse5) (bvmul .cse6 (_ bv4 32))))) .cse7)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27| (_ bv2 32)) (not (= .cse2 (bvadd (bvneg (bvmul (bvmul (_ bv4 32) .cse0) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) .cse1 .cse3 .cse4 (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse5) (bvmul .cse6 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_27|)) .cse7))))))))) is different from true [2024-11-14 05:36:52,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1820357988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689014572] [2024-11-14 05:36:52,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:36:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:52,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:36:52,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 05:36:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:55,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 05:36:55,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:37:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-14 05:37:03,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:37:41,192 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (let ((.cse3 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|)) (.cse4 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| .cse8))) (let ((.cse0 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse7 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45|)) (.cse2 (bvmul (_ bv4 32) (bvmul .cse4 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse5 (bvmul (_ bv8 32) .cse1)) (.cse6 (bvmul (bvmul .cse3 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|) (_ bv4 32)))) (or (not (= (bvadd .cse0 (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (bvmul (_ bv4 32) .cse1))) .cse2 (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse3) (bvmul .cse4 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|)) .cse5 .cse6) .cse7)) (= (_ bv0 32) (bvadd (bvneg (bvmul .cse1 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (bvneg (bvmul (bvadd (bvmul .cse4 (_ bv4 32)) (bvmul (_ bv4 32) .cse3)) (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) .cse0 (bvneg .cse7) .cse2 .cse5 .cse6)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (_ bv2 32)))))))) is different from true [2024-11-14 05:38:08,275 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (let ((.cse3 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse1 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|)) (.cse4 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| .cse8))) (let ((.cse0 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse7 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_45|)) (.cse2 (bvmul (_ bv4 32) (bvmul .cse4 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (.cse5 (bvmul (_ bv8 32) .cse1)) (.cse6 (bvmul (bvmul .cse3 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|) (_ bv4 32)))) (or (not (= (bvadd .cse0 (bvneg (bvmul |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (bvmul (_ bv4 32) .cse1))) .cse2 (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse3) (bvmul .cse4 (_ bv8 32))) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|)) .cse5 .cse6) .cse7)) (= (_ bv0 32) (bvadd (bvneg (bvmul .cse1 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) (bvneg (bvmul (bvadd (bvmul .cse4 (_ bv4 32)) (bvmul (_ bv4 32) .cse3)) (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36|))) .cse0 (bvneg .cse7) .cse2 .cse5 .cse6)) (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_36| (_ bv2 32)))))))) is different from true [2024-11-14 05:38:25,646 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 (bvadd |c_ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse7 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse8)) (.cse6 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (.cse5 (bvurem |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~a~0#1|))) (let ((.cse1 (bvmul (_ bv8 32) .cse5)) (.cse2 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse6))) (.cse3 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse8)))) (.cse0 (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (.cse4 (bvmul (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~a~0#1| .cse7)))) (or (not (= .cse0 (bvadd .cse1 .cse2 .cse3 .cse4 (bvneg (bvmul |c_ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse5))) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse6) (bvmul (_ bv8 32) .cse7)) |c_ULTIMATE.start_main_~a~0#1|))))) (= (_ bv0 32) (bvadd (bvneg (bvmul (bvmul (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1|) .cse5)) .cse1 .cse2 .cse3 (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse7) (bvmul (_ bv4 32) .cse6)) (bvmul (_ bv2 32) |c_ULTIMATE.start_main_~a~0#1|))) (bvneg .cse0) .cse4)) (not (bvugt |c_ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (not (bvult |c_ULTIMATE.start_main_~n~0#1| (_ bv536870911 32))))))) is different from true [2024-11-14 05:38:44,425 WARN L873 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (let ((.cse1 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| .cse8)) (.cse4 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) (.cse2 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)))) (let ((.cse3 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46|)) (.cse0 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (.cse5 (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (.cse6 (bvmul (_ bv8 32) .cse4)) (.cse7 (bvmul (_ bv4 32) (bvmul .cse1 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)))) (or (= (bvadd .cse0 (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse1) (bvmul (_ bv4 32) .cse2)) (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (bvneg .cse3) (bvneg (bvmul .cse4 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) .cse5 .cse6 .cse7) (_ bv0 32)) (not (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| (_ bv2 32))) (not (= .cse3 (bvadd .cse0 (bvneg (bvmul (bvmul (_ bv4 32) .cse4) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv8 32) .cse2)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) .cse5 .cse6 .cse7))) (bvult |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| (_ bv536870911 32)))))))) is different from true [2024-11-14 05:39:20,381 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 32) c_assume_abort_if_not_~cond) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| (_ BitVec 32)) (|v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| (_ BitVec 32))) (let ((.cse8 (bvadd (_ bv4294967294 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (let ((.cse1 (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| .cse8)) (.cse4 (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) (.cse2 (bvneg (bvudiv |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)))) (let ((.cse3 (bvmul (_ bv8 32) |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46|)) (.cse0 (bvmul (_ bv4 32) (bvmul (bvurem |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| .cse8) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (.cse5 (bvmul (_ bv4 32) (bvmul .cse2 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (.cse6 (bvmul (_ bv8 32) .cse4)) (.cse7 (bvmul (_ bv4 32) (bvmul .cse1 |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)))) (or (= (bvadd .cse0 (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse1) (bvmul (_ bv4 32) .cse2)) (bvmul (_ bv2 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) (bvneg .cse3) (bvneg (bvmul .cse4 (bvmul (_ bv4 32) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|))) .cse5 .cse6 .cse7) (_ bv0 32)) (not (bvugt |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37| (_ bv2 32))) (not (= .cse3 (bvadd .cse0 (bvneg (bvmul (bvmul (_ bv4 32) .cse4) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) (bvneg (bvmul (bvadd (bvmul (_ bv8 32) .cse1) (bvmul (_ bv8 32) .cse2)) |v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_37|)) .cse5 .cse6 .cse7))) (bvult |v_ULTIMATE.start_main_~n~0#1_BEFORE_CALL_46| (_ bv536870911 32)))))))) is different from true [2024-11-14 05:39:37,435 WARN L873 $PredicateComparison]: unable to prove that (or (not (bvult |c_ULTIMATE.start_main_~n~0#1| (_ bv536870911 32))) (forall ((|ULTIMATE.start_main_~a~0#1| (_ BitVec 32))) (let ((.cse8 (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv4294967294 32)))) (let ((.cse7 (bvurem |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse1 (bvneg (bvudiv |c_ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse0 (bvudiv |c_ULTIMATE.start_main_~n~0#1| .cse8))) (let ((.cse4 (bvmul (_ bv8 32) |c_ULTIMATE.start_main_~n~0#1|)) (.cse2 (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1| .cse0))) (.cse3 (bvmul (_ bv4 32) (bvmul .cse1 |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (.cse5 (bvmul (_ bv8 32) .cse7)) (.cse6 (bvmul (_ bv4 32) (bvmul |ULTIMATE.start_main_~a~0#1| (bvurem |c_ULTIMATE.start_main_~n~0#1| .cse8))))) (or (not (bvule |ULTIMATE.start_main_~a~0#1| (_ bv10 32))) (= (_ bv0 32) (bvadd (bvneg (bvmul (bvadd (bvmul (_ bv4 32) .cse0) (bvmul .cse1 (_ bv4 32))) (bvmul |ULTIMATE.start_main_~a~0#1| (_ bv2 32)))) .cse2 .cse3 (bvneg .cse4) .cse5 .cse6 (bvneg (bvmul (bvmul |ULTIMATE.start_main_~a~0#1| (_ bv4 32)) .cse7)))) (not (bvugt |ULTIMATE.start_main_~a~0#1| (_ bv2 32))) (not (= .cse4 (bvadd (bvneg (bvmul |ULTIMATE.start_main_~a~0#1| (bvmul (_ bv4 32) .cse7))) .cse2 .cse3 .cse5 .cse6 (bvneg (bvmul (bvadd (bvmul .cse1 (_ bv8 32)) (bvmul (_ bv8 32) .cse0)) |ULTIMATE.start_main_~a~0#1|))))))))))) is different from true [2024-11-14 05:39:37,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689014572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:39:37,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:39:37,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 12 [2024-11-14 05:39:37,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147777022] [2024-11-14 05:39:37,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:39:37,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:39:37,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:39:37,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:39:37,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=210, Unknown=13, NotChecked=520, Total=812 [2024-11-14 05:39:37,441 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-14 05:39:42,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:44,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:46,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:48,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:50,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:52,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:54,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:03,007 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2024-11-14 05:40:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 05:40:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 39 [2024-11-14 05:40:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:03,018 INFO L225 Difference]: With dead ends: 52 [2024-11-14 05:40:03,018 INFO L226 Difference]: Without dead ends: 50 [2024-11-14 05:40:03,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=81, Invalid=264, Unknown=13, NotChecked=572, Total=930 [2024-11-14 05:40:03,019 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:03,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 115 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 193 Invalid, 7 Unknown, 0 Unchecked, 24.2s Time] [2024-11-14 05:40:03,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-14 05:40:03,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2024-11-14 05:40:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-14 05:40:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2024-11-14 05:40:03,031 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 39 [2024-11-14 05:40:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:03,031 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2024-11-14 05:40:03,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-14 05:40:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-11-14 05:40:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 05:40:03,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:03,033 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:03,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 05:40:03,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 05:40:03,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 05:40:03,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:40:03,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:40:03,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:03,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1989970111, now seen corresponding path program 1 times [2024-11-14 05:40:03,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:40:03,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136710628] [2024-11-14 05:40:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:03,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:40:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:40:03,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:40:03,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:40:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:04,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 05:40:04,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:12,191 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:40:17,370 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:40:22,541 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:40:28,121 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:40:35,031 WARN L851 $PredicateComparison]: unable to prove that (and (bvugt |c_ULTIMATE.start_main_~d~0#1| (_ bv2 32)) (exists ((|ULTIMATE.start_main_~n~0#1| (_ BitVec 32))) (let ((.cse0 (bvadd |c_ULTIMATE.start_main_~d~0#1| (_ bv4294967294 32)))) (and (bvule |ULTIMATE.start_main_~n~0#1| (_ bv10 32)) (= |c_ULTIMATE.start_main_~k~0#1| (bvurem |ULTIMATE.start_main_~n~0#1| .cse0)) (= (bvurem |ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~d~0#1|) |c_ULTIMATE.start_main_~r~0#1|) (= |c_ULTIMATE.start_main_~s~0#1| ((_ fp.to_ubv 32) roundTowardZero (fp.sqrt roundNearestTiesToEven ((_ to_fp_unsigned 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~n~0#1|)))) (= |c_ULTIMATE.start_main_~q~0#1| (bvadd (bvmul (_ bv4 32) (bvudiv |ULTIMATE.start_main_~n~0#1| .cse0)) (bvmul (bvneg (bvudiv |ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~d~0#1|)) (_ bv4 32))))))) (bvule |c_ULTIMATE.start_main_~d~0#1| (_ bv10 32))) is different from false [2024-11-14 05:40:49,944 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:41:03,557 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:41:08,693 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:41:13,844 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:41:18,913 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:42:08,300 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:42:18,170 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:42:47,659 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:42:52,994 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:42:58,317 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:03,858 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:09,476 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:14,988 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:17,369 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~n~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~d~0#1| (_ BitVec 32))) (let ((.cse0 (bvadd |ULTIMATE.start_main_~d~0#1| (_ bv4294967294 32)))) (and (= |c_ULTIMATE.start_main_~r~0#1| (bvurem |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|)) (bvuge ((_ fp.to_ubv 32) roundTowardZero (fp.sqrt roundNearestTiesToEven ((_ to_fp_unsigned 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~n~0#1|))) |ULTIMATE.start_main_~d~0#1|) (bvule |ULTIMATE.start_main_~n~0#1| (_ bv10 32)) (bvule |ULTIMATE.start_main_~d~0#1| (_ bv10 32)) (= (bvurem |ULTIMATE.start_main_~n~0#1| .cse0) |c_ULTIMATE.start_main_~k~0#1|) (bvugt |ULTIMATE.start_main_~d~0#1| (_ bv2 32)) (= |c_ULTIMATE.start_main_~q~0#1| (bvadd (bvmul (_ bv4 32) (bvneg (bvudiv |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (bvmul (_ bv4 32) (bvudiv |ULTIMATE.start_main_~n~0#1| .cse0))))))) (not (= (_ bv0 32) |c_ULTIMATE.start_main_~r~0#1|))) is different from false [2024-11-14 05:43:29,959 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:35,323 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:40,686 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:46,012 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:43:51,685 WARN L851 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~n~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~d~0#1| (_ BitVec 32))) (let ((.cse0 (bvurem |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (and (bvuge ((_ fp.to_ubv 32) roundTowardZero (fp.sqrt roundNearestTiesToEven ((_ to_fp_unsigned 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~n~0#1|))) |ULTIMATE.start_main_~d~0#1|) (bvule |ULTIMATE.start_main_~n~0#1| (_ bv10 32)) (bvule |ULTIMATE.start_main_~d~0#1| (_ bv10 32)) (not (= (_ bv0 32) .cse0)) (let ((.cse1 (bvadd |ULTIMATE.start_main_~d~0#1| (_ bv4294967294 32)))) (bvult (bvadd (bvmul (_ bv4 32) (bvneg (bvudiv |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (bvmul (_ bv4 32) (bvudiv |ULTIMATE.start_main_~n~0#1| .cse1)) (bvmul (_ bv2 32) .cse0)) (bvurem |ULTIMATE.start_main_~n~0#1| .cse1)))))) is different from false [2024-11-14 05:43:53,923 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~n~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~d~0#1| (_ BitVec 32))) (let ((.cse0 (bvurem |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (and (bvuge ((_ fp.to_ubv 32) roundTowardZero (fp.sqrt roundNearestTiesToEven ((_ to_fp_unsigned 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~n~0#1|))) |ULTIMATE.start_main_~d~0#1|) (bvule |ULTIMATE.start_main_~n~0#1| (_ bv10 32)) (bvule |ULTIMATE.start_main_~d~0#1| (_ bv10 32)) (not (= (_ bv0 32) .cse0)) (let ((.cse1 (bvadd |ULTIMATE.start_main_~d~0#1| (_ bv4294967294 32)))) (bvult (bvadd (bvmul (_ bv4 32) (bvneg (bvudiv |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (bvmul (_ bv4 32) (bvudiv |ULTIMATE.start_main_~n~0#1| .cse1)) (bvmul (_ bv2 32) .cse0)) (bvurem |ULTIMATE.start_main_~n~0#1| .cse1)))))) is different from true [2024-11-14 05:44:06,232 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:44:16,009 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:44:21,329 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 05:44:23,668 WARN L851 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~n~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~d~0#1| (_ BitVec 32))) (let ((.cse0 (bvurem |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (and (bvuge ((_ fp.to_ubv 32) roundTowardZero (fp.sqrt roundNearestTiesToEven ((_ to_fp_unsigned 11 53) roundNearestTiesToEven |ULTIMATE.start_main_~n~0#1|))) |ULTIMATE.start_main_~d~0#1|) (bvule |ULTIMATE.start_main_~n~0#1| (_ bv10 32)) (not (= (_ bv0 32) .cse0)) (let ((.cse1 (bvadd |ULTIMATE.start_main_~d~0#1| (_ bv4294967294 32)))) (bvult (bvadd (bvmul (_ bv4 32) (bvneg (bvudiv |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~d~0#1|))) (bvmul (_ bv4 32) (bvudiv |ULTIMATE.start_main_~n~0#1| .cse1)) (bvmul (_ bv2 32) .cse0)) (bvurem |ULTIMATE.start_main_~n~0#1| .cse1)))))) is different from false [2024-11-14 05:44:24,509 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-14 05:44:24,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-11-14 05:44:24,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:44:24,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136710628] [2024-11-14 05:44:24,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-14 05:44:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [644100655] [2024-11-14 05:44:24,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:24,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:44:24,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:44:24,514 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:44:24,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 05:44:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:31,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:44:31,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:31,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Script currently locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@1e0fa2e3 [2024-11-14 05:44:31,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882030383] [2024-11-14 05:44:31,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:44:31,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:44:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:44:31,739 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:44:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 05:44:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:44:33,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 05:44:33,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:44:33,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Script currently locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@1e0fa2e3 [2024-11-14 05:44:33,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:44:33,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2024-11-14 05:44:33,859 ERROR L171 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2024-11-14 05:44:33,860 INFO L325 BasicCegarLoop]: Counterexample might be feasible [2024-11-14 05:44:33,872 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:44:33,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 05:44:34,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-14 05:44:34,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 05:44:34,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a20d73b5-0c4e-4e9b-a9ff-b9b171001436/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:44:34,479 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-14 05:44:34,492 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:44:34,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:44:34 BoogieIcfgContainer [2024-11-14 05:44:34,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:44:34,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:44:34,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:44:34,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:44:34,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:24" (3/4) ... [2024-11-14 05:44:34,501 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:44:34,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:44:34,502 INFO L158 Benchmark]: Toolchain (without parser) took 853446.96ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 35.1MB in the end (delta: 25.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-14 05:44:34,502 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:44:34,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.58ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 47.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:44:34,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.37ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:44:34,503 INFO L158 Benchmark]: Boogie Preprocessor took 52.26ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:44:34,504 INFO L158 Benchmark]: RCFGBuilder took 3084.44ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 29.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:44:34,504 INFO L158 Benchmark]: TraceAbstraction took 849985.94ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 35.1MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:44:34,504 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:44:34,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.58ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 47.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.37ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.26ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3084.44ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 29.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 849985.94ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 35.1MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L27] unsigned n, a; [L28] unsigned r, k, q, d, s, t; [L29] n = __VERIFIER_nondet_uint() [L30] CALL assume_abort_if_not(n>=0 && n<=10) [L16] COND FALSE !(!cond) [L30] RET assume_abort_if_not(n>=0 && n<=10) [L31] a = __VERIFIER_nondet_uint() [L32] CALL assume_abort_if_not(a>=0 && a<=10) [L16] COND FALSE !(!cond) [L32] RET assume_abort_if_not(a>=0 && a<=10) [L33] CALL assume_abort_if_not(n < (0x7fffffff * 2U + 1U)/8) [L16] COND FALSE !(!cond) [L33] RET assume_abort_if_not(n < (0x7fffffff * 2U + 1U)/8) [L34] CALL assume_abort_if_not(a > 2) [L16] COND FALSE !(!cond) [L34] RET assume_abort_if_not(a > 2) [L35] d = a [L36] r = n % d [L37] t = 0 [L38] k = n % (d - 2) [L39] q = 4 * (n / (d - 2) - n / d) [L40] s = sqrt(n) [L41] COND TRUE 1 [L42] CALL __VERIFIER_assert(d * d * q - 2 * q * d - 4 * r * d + 4 * k * d + 8 * r == 8 * n) [L19] COND FALSE !(!(cond)) [L42] RET __VERIFIER_assert(d * d * q - 2 * q * d - 4 * r * d + 4 * k * d + 8 * r == 8 * n) [L43] CALL __VERIFIER_assert(k * t == t * t) [L19] COND FALSE !(!(cond)) [L43] RET __VERIFIER_assert(k * t == t * t) [L44] CALL __VERIFIER_assert(d * d * q - 2 * d * q - 4 * d * r + 4 * d * t + 4 * a * k - 4 * a * t - 8 * n + 8 * r == 0) [L19] COND FALSE !(!(cond)) [L44] RET __VERIFIER_assert(d * d * q - 2 * d * q - 4 * d * r + 4 * d * t + 4 * a * k - 4 * a * t - 8 * n + 8 * r == 0) [L45] CALL __VERIFIER_assert(d * k - d * t - a * k + a * t == 0) [L19] COND FALSE !(!(cond)) [L45] RET __VERIFIER_assert(d * k - d * t - a * k + a * t == 0) [L46] COND FALSE !(!((s >= d) && (r != 0))) [L47] COND TRUE 2 * r + q < k [L48] t = r [L49] r = 2 * r - k + q + d + 2 [L50] k = t [L51] q = q + 4 [L52] d = d + 2 [L41] COND TRUE 1 [L42] CALL __VERIFIER_assert(d * d * q - 2 * q * d - 4 * r * d + 4 * k * d + 8 * r == 8 * n) [L19] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 849.9s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 32.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 112 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 66.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 21.8s SatisfiabilityAnalysisTime, 778.0s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 1365 SizeOfPredicates, 12 NumberOfNonLiveVariables, 644 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 182/218 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN