./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2 --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 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:24,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:24,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:35:24,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:24,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:24,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:24,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:24,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:24,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:24,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:24,137 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:24,137 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:24,137 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:24,138 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:24,138 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:24,138 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:24,139 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:24,139 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:24,139 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:24,144 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:24,144 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:24,145 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:24,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:24,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:24,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:24,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:24,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:24,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:24,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:24,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:24,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:24,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:24,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:24,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:24,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:24,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:24,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:24,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:24,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:24,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:24,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:24,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:24,154 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:24,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:24,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:24,154 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:24,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:24,155 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d [2024-11-02 12:35:24,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:24,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:24,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:24,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:24,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:24,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i Unable to find full path for "g++" [2024-11-02 12:35:26,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:26,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:26,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2024-11-02 12:35:26,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/711c4d0dd/52f48c8c89e94435af9b457c6d442d11/FLAGc66df43e3 [2024-11-02 12:35:26,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/711c4d0dd/52f48c8c89e94435af9b457c6d442d11 [2024-11-02 12:35:26,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:27,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:27,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:27,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:27,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:27,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:26" (1/1) ... [2024-11-02 12:35:27,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb579fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:27, skipping insertion in model container [2024-11-02 12:35:27,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:26" (1/1) ... [2024-11-02 12:35:27,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:27,857 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) 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:1201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:661) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1589) 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:1492) 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:1148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1131) 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:387) 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:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2482) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) 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) [2024-11-02 12:35:27,869 INFO L158 Benchmark]: Toolchain (without parser) took 867.31ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 114.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:35:27,870 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:27,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.56ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 114.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:35:27,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.56ms. Allocated memory is still 167.8MB. Free memory was 129.4MB in the beginning and 114.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2 --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 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:30,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:30,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:35:30,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:30,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:30,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:30,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:30,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:30,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:30,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:30,542 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:30,543 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:30,543 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:30,548 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:30,548 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:30,549 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:30,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:30,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:30,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:30,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:30,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:30,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:30,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:30,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:30,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:30,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:35:30,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:30,554 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:35:30,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:30,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:30,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:30,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:30,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:35:30,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:30,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:30,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:30,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:30,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:30,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:30,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:35:30,558 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:35:30,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:30,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:30,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:30,560 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05fe72602a07075e0f1ee0a98d5ddb537d1e938bc846ad5ae314bafebdfe0d [2024-11-02 12:35:30,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:31,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:31,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:31,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:31,031 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:31,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i Unable to find full path for "g++" [2024-11-02 12:35:33,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:33,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:33,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2024-11-02 12:35:33,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/edb589375/9f940fcbd4cd448592202a13ea1438e6/FLAG9e2304c26 [2024-11-02 12:35:33,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/data/edb589375/9f940fcbd4cd448592202a13ea1438e6 [2024-11-02 12:35:33,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:33,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:33,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:33,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:33,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:33,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:33" (1/1) ... [2024-11-02 12:35:33,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6f1568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:33, skipping insertion in model container [2024-11-02 12:35:33,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:33" (1/1) ... [2024-11-02 12:35:33,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:34,474 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41138,41151] [2024-11-02 12:35:34,480 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41179,41192] [2024-11-02 12:35:34,481 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41229,41242] [2024-11-02 12:35:34,483 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41279,41292] [2024-11-02 12:35:34,484 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41329,41342] [2024-11-02 12:35:34,485 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41381,41394] [2024-11-02 12:35:34,485 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41427,41440] [2024-11-02 12:35:34,487 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41470,41483] [2024-11-02 12:35:34,488 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41521,41534] [2024-11-02 12:35:34,490 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41562,41575] [2024-11-02 12:35:34,490 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41603,41616] [2024-11-02 12:35:34,492 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41649,41662] [2024-11-02 12:35:34,493 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41690,41703] [2024-11-02 12:35:34,495 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41743,41756] [2024-11-02 12:35:34,496 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41794,41807] [2024-11-02 12:35:34,497 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41842,41855] [2024-11-02 12:35:34,498 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41891,41904] [2024-11-02 12:35:34,501 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41934,41947] [2024-11-02 12:35:34,502 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41977,41990] [2024-11-02 12:35:34,504 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42041,42054] [2024-11-02 12:35:34,505 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42104,42117] [2024-11-02 12:35:34,509 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42144,42157] [2024-11-02 12:35:34,510 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42183,42196] [2024-11-02 12:35:34,511 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42229,42242] [2024-11-02 12:35:34,512 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42276,42289] [2024-11-02 12:35:34,513 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42324,42337] [2024-11-02 12:35:34,516 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42375,42388] [2024-11-02 12:35:34,518 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42419,42432] [2024-11-02 12:35:34,519 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42462,42475] [2024-11-02 12:35:34,520 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42507,42520] [2024-11-02 12:35:34,521 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42549,42562] [2024-11-02 12:35:34,522 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42592,42605] [2024-11-02 12:35:34,523 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42637,42650] [2024-11-02 12:35:34,524 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42683,42696] [2024-11-02 12:35:34,527 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42728,42741] [2024-11-02 12:35:34,528 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42771,42784] [2024-11-02 12:35:34,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:34,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:34,617 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41138,41151] [2024-11-02 12:35:34,618 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41179,41192] [2024-11-02 12:35:34,619 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41229,41242] [2024-11-02 12:35:34,620 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41279,41292] [2024-11-02 12:35:34,621 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41329,41342] [2024-11-02 12:35:34,622 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41381,41394] [2024-11-02 12:35:34,623 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41427,41440] [2024-11-02 12:35:34,625 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41470,41483] [2024-11-02 12:35:34,627 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41521,41534] [2024-11-02 12:35:34,628 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41562,41575] [2024-11-02 12:35:34,629 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41603,41616] [2024-11-02 12:35:34,630 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41649,41662] [2024-11-02 12:35:34,631 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41690,41703] [2024-11-02 12:35:34,633 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41743,41756] [2024-11-02 12:35:34,634 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41794,41807] [2024-11-02 12:35:34,635 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41842,41855] [2024-11-02 12:35:34,637 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41891,41904] [2024-11-02 12:35:34,638 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41934,41947] [2024-11-02 12:35:34,639 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[41977,41990] [2024-11-02 12:35:34,639 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42041,42054] [2024-11-02 12:35:34,644 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42104,42117] [2024-11-02 12:35:34,645 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42144,42157] [2024-11-02 12:35:34,645 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42183,42196] [2024-11-02 12:35:34,646 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42229,42242] [2024-11-02 12:35:34,647 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42276,42289] [2024-11-02 12:35:34,648 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42324,42337] [2024-11-02 12:35:34,649 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42375,42388] [2024-11-02 12:35:34,649 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42419,42432] [2024-11-02 12:35:34,650 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42462,42475] [2024-11-02 12:35:34,651 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42507,42520] [2024-11-02 12:35:34,652 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42549,42562] [2024-11-02 12:35:34,652 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42592,42605] [2024-11-02 12:35:34,653 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42637,42650] [2024-11-02 12:35:34,654 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42683,42696] [2024-11-02 12:35:34,654 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42728,42741] [2024-11-02 12:35:34,655 WARN L251 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_4cbb508c-38e7-41d1-ab9f-a456d7667987/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i[42771,42784] [2024-11-02 12:35:34,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:34,855 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:34,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34 WrapperNode [2024-11-02 12:35:34,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:34,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:34,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:34,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:34,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,952 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2024-11-02 12:35:34,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:34,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:34,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:34,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:34,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:34,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:35,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:35,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:35,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:35,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:35,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (1/1) ... [2024-11-02 12:35:35,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:35,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:35,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:35,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:35,230 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:35,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:38,989 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:38,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:39,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:39,032 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:35:39,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:39 BoogieIcfgContainer [2024-11-02 12:35:39,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:39,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:39,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:39,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:39,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:33" (1/3) ... [2024-11-02 12:35:39,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78071f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:39, skipping insertion in model container [2024-11-02 12:35:39,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:34" (2/3) ... [2024-11-02 12:35:39,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78071f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:39, skipping insertion in model container [2024-11-02 12:35:39,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:39" (3/3) ... [2024-11-02 12:35:39,058 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp2.i [2024-11-02 12:35:39,088 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:39,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-11-02 12:35:39,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:39,211 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;@44d378e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:39,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-02 12:35:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.9125) internal successors, (153), 116 states have internal predecessors, (153), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:35:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-02 12:35:39,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:39,234 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:39,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-11-02 12:35:39,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash -626203073, now seen corresponding path program 1 times [2024-11-02 12:35:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:39,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852491724] [2024-11-02 12:35:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:39,263 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 [2024-11-02 12:35:39,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:39,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:39,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:35:39,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-02 12:35:39,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:39,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:39,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852491724] [2024-11-02 12:35:39,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852491724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:39,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:39,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:35:39,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836223141] [2024-11-02 12:35:39,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:39,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:35:39,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:39,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:35:39,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:39,485 INFO L87 Difference]: Start difference. First operand has 120 states, 80 states have (on average 1.9125) internal successors, (153), 116 states have internal predecessors, (153), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:35:39,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:39,519 INFO L93 Difference]: Finished difference Result 177 states and 252 transitions. [2024-11-02 12:35:39,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:35:39,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-02 12:35:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:39,530 INFO L225 Difference]: With dead ends: 177 [2024-11-02 12:35:39,530 INFO L226 Difference]: Without dead ends: 40 [2024-11-02 12:35:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:39,537 INFO L432 NwaCegarLoop]: 60 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, 60 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 [2024-11-02 12:35:39,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:35:39,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-02 12:35:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-02 12:35:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 36 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:35:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2024-11-02 12:35:39,597 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 15 [2024-11-02 12:35:39,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:39,597 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2024-11-02 12:35:39,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:35:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2024-11-02 12:35:39,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-02 12:35:39,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:39,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:39,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:39,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:39,807 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-11-02 12:35:39,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:39,807 INFO L85 PathProgramCache]: Analyzing trace with hash -199249201, now seen corresponding path program 1 times [2024-11-02 12:35:39,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:39,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709957407] [2024-11-02 12:35:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:39,808 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 [2024-11-02 12:35:39,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:39,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:35:39,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:35:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:40,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:35:40,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-02 12:35:41,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:41,241 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:41,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709957407] [2024-11-02 12:35:41,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709957407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:41,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:41,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:35:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355353823] [2024-11-02 12:35:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:41,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:35:41,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:41,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:35:41,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:35:41,248 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:35:43,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:45,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:47,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:49,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:52,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:54,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:56,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:35:58,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:36:00,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:36:00,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:00,554 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2024-11-02 12:36:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:36:00,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-02 12:36:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:00,566 INFO L225 Difference]: With dead ends: 40 [2024-11-02 12:36:00,566 INFO L226 Difference]: Without dead ends: 32 [2024-11-02 12:36:00,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:36:00,568 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:00,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 22 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 9 Unknown, 0 Unchecked, 19.3s Time] [2024-11-02 12:36:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-02 12:36:00,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-02 12:36:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-02 12:36:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-11-02 12:36:00,575 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 16 [2024-11-02 12:36:00,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:00,577 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2024-11-02 12:36:00,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-02 12:36:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-11-02 12:36:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-02 12:36:00,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:00,578 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:00,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:36:00,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:36:00,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2024-11-02 12:36:00,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:00,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1441315119, now seen corresponding path program 1 times [2024-11-02 12:36:00,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:00,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134750509] [2024-11-02 12:36:00,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:00,781 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 [2024-11-02 12:36:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:00,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:36:00,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cbb508c-38e7-41d1-ab9f-a456d7667987/bin/utaipan-verify-DbMuA5NWw2/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)] Waiting until timeout for monitored process [2024-11-02 12:36:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:01,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:36:01,932 INFO L278 TraceCheckSpWp]: Computing forward predicates...