./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh --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 f3f9d32da1177faed7c14092606e9e023b39ad9852c24cd1dd4f6372eee72684 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:33:44,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:33:44,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:33:44,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:33:44,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:33:44,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:33:44,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:33:44,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:33:44,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:33:44,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:33:44,182 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:33:44,182 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:33:44,183 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:33:44,183 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:33:44,184 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:33:44,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:33:44,185 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:33:44,185 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:33:44,186 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:33:44,186 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:33:44,187 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:33:44,191 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:33:44,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:33:44,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:33:44,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:33:44,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:33:44,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:33:44,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:33:44,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:33:44,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:33:44,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:33:44,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:33:44,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:33:44,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:33:44,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:33:44,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:33:44,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:33:44,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:33:44,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:33:44,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:33:44,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:33:44,198 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:33:44,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:33:44,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:33:44,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:33:44,199 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:33:44,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:33:44,199 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9d32da1177faed7c14092606e9e023b39ad9852c24cd1dd4f6372eee72684 [2023-12-02 16:33:44,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:33:44,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:33:44,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:33:44,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:33:44,424 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:33:44,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2023-12-02 16:33:47,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:33:47,416 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:33:47,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2023-12-02 16:33:47,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/ca9e371e2/2da658c1ac13411ea25f9d005f32815e/FLAG4da3e9f5b [2023-12-02 16:33:47,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/ca9e371e2/2da658c1ac13411ea25f9d005f32815e [2023-12-02 16:33:47,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:33:47,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:33:47,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:47,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:33:47,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:33:47,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:47" (1/1) ... [2023-12-02 16:33:47,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae46124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:47, skipping insertion in model container [2023-12-02 16:33:47,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:47" (1/1) ... [2023-12-02 16:33:47,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:33:47,696 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2212) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$62(StandardFunctionHandler.java:435) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:567) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-02 16:33:47,701 INFO L158 Benchmark]: Toolchain (without parser) took 253.03ms. Allocated memory is still 169.9MB. Free memory was 133.8MB in the beginning and 121.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:33:47,702 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:33:47,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.74ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 121.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:33:47,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.74ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 121.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh --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 f3f9d32da1177faed7c14092606e9e023b39ad9852c24cd1dd4f6372eee72684 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:33:49,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:33:49,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:33:49,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:33:49,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:33:49,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:33:49,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:33:49,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:33:49,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:33:49,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:33:49,565 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:33:49,565 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:33:49,566 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:33:49,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:33:49,567 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:33:49,567 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:33:49,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:33:49,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:33:49,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:33:49,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:33:49,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:33:49,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:33:49,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:33:49,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:33:49,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:33:49,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:33:49,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:33:49,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:33:49,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:33:49,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:33:49,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:33:49,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:33:49,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:33:49,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:33:49,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:33:49,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:33:49,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:33:49,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:33:49,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:33:49,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:33:49,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:33:49,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:33:49,577 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:33:49,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:33:49,577 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3f9d32da1177faed7c14092606e9e023b39ad9852c24cd1dd4f6372eee72684 [2023-12-02 16:33:49,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:33:49,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:33:49,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:33:49,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:33:49,880 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:33:49,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2023-12-02 16:33:52,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:33:52,880 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:33:52,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c [2023-12-02 16:33:52,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/49e6b86ae/743715d6d2e64ad1975d2384a12a8d5e/FLAGb040070e2 [2023-12-02 16:33:52,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/data/49e6b86ae/743715d6d2e64ad1975d2384a12a8d5e [2023-12-02 16:33:52,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:33:52,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:33:52,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:52,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:33:52,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:33:52,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:52" (1/1) ... [2023-12-02 16:33:52,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f3aa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:52, skipping insertion in model container [2023-12-02 16:33:52,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:33:52" (1/1) ... [2023-12-02 16:33:52,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:33:53,215 WARN L240 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c[13946,13959] [2023-12-02 16:33:53,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:33:53,234 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:33:53,322 WARN L240 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_8886a2d3-f42f-41d2-b760-c7d370390f1e/sv-benchmarks/c/float-newlib/double_req_bl_0873a.c[13946,13959] [2023-12-02 16:33:53,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:33:53,352 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:33:53,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53 WrapperNode [2023-12-02 16:33:53,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:33:53,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:33:53,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:33:53,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:33:53,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,424 INFO L138 Inliner]: procedures = 24, calls = 158, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 754 [2023-12-02 16:33:53,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:33:53,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:33:53,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:33:53,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:33:53,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:33:53,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:33:53,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:33:53,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:33:53,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (1/1) ... [2023-12-02 16:33:53,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:33:53,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:33:53,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:33:53,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:33:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:33:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 16:33:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-02 16:33:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-02 16:33:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 16:33:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:33:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:33:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 16:33:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 16:33:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:33:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:33:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 16:33:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:33:53,707 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:33:53,710 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:34:56,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:34:56,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:34:56,661 INFO L309 CfgBuilder]: Removed 58 assume(true) statements. [2023-12-02 16:34:56,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:34:56 BoogieIcfgContainer [2023-12-02 16:34:56,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:34:56,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:34:56,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:34:56,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:34:56,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:33:52" (1/3) ... [2023-12-02 16:34:56,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d25c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:34:56, skipping insertion in model container [2023-12-02 16:34:56,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:33:53" (2/3) ... [2023-12-02 16:34:56,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d25c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:34:56, skipping insertion in model container [2023-12-02 16:34:56,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:34:56" (3/3) ... [2023-12-02 16:34:56,693 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873a.c [2023-12-02 16:34:56,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:34:56,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:34:56,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:34:56,762 INFO L357 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, mHoare=true, 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;@6f0dbdfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:34:56,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:34:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 179 states have (on average 1.7430167597765363) internal successors, (312), 180 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 16:34:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 16:34:56,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:34:56,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:34:56,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:34:56,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:34:56,778 INFO L85 PathProgramCache]: Analyzing trace with hash 429863551, now seen corresponding path program 1 times [2023-12-02 16:34:56,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:34:56,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472634811] [2023-12-02 16:34:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:34:56,789 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 [2023-12-02 16:34:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:34:56,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:34:56,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:34:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:34:57,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:34:57,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:34:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:34:57,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:34:57,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:34:57,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472634811] [2023-12-02 16:34:57,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472634811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:34:57,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:34:57,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:34:57,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117470059] [2023-12-02 16:34:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:34:57,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:34:57,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:34:57,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:34:57,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:34:57,119 INFO L87 Difference]: Start difference. First operand has 185 states, 179 states have (on average 1.7430167597765363) internal successors, (312), 180 states have internal predecessors, (312), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:34:57,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:34:57,293 INFO L93 Difference]: Finished difference Result 369 states and 638 transitions. [2023-12-02 16:34:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:34:57,296 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-02 16:34:57,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:34:57,305 INFO L225 Difference]: With dead ends: 369 [2023-12-02 16:34:57,305 INFO L226 Difference]: Without dead ends: 183 [2023-12-02 16:34:57,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:34:57,312 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:34:57,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:34:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-12-02 16:34:57,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2023-12-02 16:34:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.4101123595505618) internal successors, (251), 178 states have internal predecessors, (251), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 16:34:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 257 transitions. [2023-12-02 16:34:57,358 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 257 transitions. Word has length 8 [2023-12-02 16:34:57,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:34:57,358 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 257 transitions. [2023-12-02 16:34:57,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:34:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 257 transitions. [2023-12-02 16:34:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 16:34:57,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:34:57,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:34:57,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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)] Forceful destruction successful, exit code 0 [2023-12-02 16:34:57,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:34:57,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:34:57,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:34:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1586736578, now seen corresponding path program 1 times [2023-12-02 16:34:57,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:34:57,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351642994] [2023-12-02 16:34:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:34:57,562 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 [2023-12-02 16:34:57,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:34:57,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:34:57,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:34:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:34:57,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 16:34:57,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:34:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:34:59,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:34:59,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:34:59,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351642994] [2023-12-02 16:34:59,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351642994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:34:59,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:34:59,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:34:59,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674884870] [2023-12-02 16:34:59,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:34:59,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:34:59,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:34:59,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:34:59,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:34:59,018 INFO L87 Difference]: Start difference. First operand 183 states and 257 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:35:02,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:35:04,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:35:07,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:35:09,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:35:10,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:35:10,031 INFO L93 Difference]: Finished difference Result 282 states and 392 transitions. [2023-12-02 16:35:10,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:35:10,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-02 16:35:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:35:10,033 INFO L225 Difference]: With dead ends: 282 [2023-12-02 16:35:10,033 INFO L226 Difference]: Without dead ends: 110 [2023-12-02 16:35:10,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:35:10,036 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 370 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:35:10,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 165 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2023-12-02 16:35:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-02 16:35:10,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-12-02 16:35:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 16:35:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 145 transitions. [2023-12-02 16:35:10,053 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 145 transitions. Word has length 10 [2023-12-02 16:35:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:35:10,053 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 145 transitions. [2023-12-02 16:35:10,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:35:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2023-12-02 16:35:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 16:35:10,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:35:10,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:35:10,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:35:10,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:35:10,255 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:35:10,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:35:10,256 INFO L85 PathProgramCache]: Analyzing trace with hash -501036035, now seen corresponding path program 1 times [2023-12-02 16:35:10,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:35:10,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814636877] [2023-12-02 16:35:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:35:10,257 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 [2023-12-02 16:35:10,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:35:10,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:35:10,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:35:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:35:10,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:35:10,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:35:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:35:11,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:35:11,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:35:11,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814636877] [2023-12-02 16:35:11,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814636877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:35:11,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:35:11,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:35:11,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016762931] [2023-12-02 16:35:11,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:35:11,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:35:11,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:35:11,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:35:11,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:35:11,368 INFO L87 Difference]: Start difference. First operand 110 states and 145 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:35:14,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:16,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:18,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:20,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:22,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:25,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:27,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:29,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:31,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:33,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:35,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:38,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:40,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:42,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:45,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:48,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:50,185 WARN L539 Checker$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 [] [2023-12-02 16:35:52,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:55,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:57,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:35:59,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:01,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:03,999 WARN L539 Checker$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 [] [2023-12-02 16:36:06,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:08,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:10,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:12,323 WARN L539 Checker$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 [] [2023-12-02 16:36:14,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:16,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:18,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:21,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:23,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:25,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:32,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:34,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:36,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:37,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:39,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:42,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:44,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:46,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:48,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:51,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:53,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:55,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:36:57,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:00,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:01,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:04,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:06,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:09,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:11,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:13,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:37:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:37:13,198 INFO L93 Difference]: Finished difference Result 114 states and 148 transitions. [2023-12-02 16:37:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:37:13,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 16:37:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:37:13,236 INFO L225 Difference]: With dead ends: 114 [2023-12-02 16:37:13,237 INFO L226 Difference]: Without dead ends: 110 [2023-12-02 16:37:13,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:37:13,238 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 139 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 48 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 48 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:37:13,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 314 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 48 Unknown, 0 Unchecked, 121.5s Time] [2023-12-02 16:37:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-02 16:37:13,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-12-02 16:37:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 105 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 16:37:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2023-12-02 16:37:13,261 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 12 [2023-12-02 16:37:13,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:37:13,261 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2023-12-02 16:37:13,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:37:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2023-12-02 16:37:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 16:37:13,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:37:13,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:37:13,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 16:37:13,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:37:13,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:37:13,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:37:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash -500976453, now seen corresponding path program 1 times [2023-12-02 16:37:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:37:13,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180860155] [2023-12-02 16:37:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:37:13,464 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 [2023-12-02 16:37:13,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:37:13,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:37:13,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 (5)] Waiting until timeout for monitored process [2023-12-02 16:37:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:37:13,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 16:37:13,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:37:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 16:37:14,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 16:37:15,494 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:37:15,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2023-12-02 16:37:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:37:17,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:37:17,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:37:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180860155] [2023-12-02 16:37:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180860155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:37:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:37:17,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:37:17,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622886912] [2023-12-02 16:37:17,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:37:17,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:37:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:37:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:37:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:37:17,962 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:37:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:37:20,596 INFO L93 Difference]: Finished difference Result 113 states and 147 transitions. [2023-12-02 16:37:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:37:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 16:37:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:37:20,597 INFO L225 Difference]: With dead ends: 113 [2023-12-02 16:37:20,597 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:37:20,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:37:20,599 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:37:20,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 6 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 16:37:20,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:37:20,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:37:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:37:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:37:20,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-12-02 16:37:20,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:37:20,600 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:37:20,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:37:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:37:20,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:37:20,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:37:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 (5)] Ended with exit code 0 [2023-12-02 16:37:20,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:37:20,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:37:22,335 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2023-12-02 16:37:22,335 INFO L902 garLoopResultBuilder]: At program point L31-1(lines 31 36) the Hoare annotation is: true [2023-12-02 16:37:22,335 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2023-12-02 16:37:22,335 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-12-02 16:37:22,335 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2023-12-02 16:37:22,335 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 19 38) the Hoare annotation is: true [2023-12-02 16:37:22,335 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 26 30) the Hoare annotation is: true [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L895 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2023-12-02 16:37:22,336 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2023-12-02 16:37:22,337 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L895 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2023-12-02 16:37:22,337 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.div currentRoundingMode .cse0 (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp.neg .cse0))))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0))) [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2023-12-02 16:37:22,338 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrt_returnLabel#1(lines 97 205) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L895 garLoopResultBuilder]: At program point L407-1(lines 407 412) the Hoare annotation is: false [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L899 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2023-12-02 16:37:22,339 INFO L895 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2023-12-02 16:37:22,340 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2023-12-02 16:37:22,340 INFO L899 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2023-12-02 16:37:22,340 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 564 583) no Hoare annotation was computed. [2023-12-02 16:37:22,340 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2023-12-02 16:37:22,340 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L895 garLoopResultBuilder]: At program point L276-1(lines 276 281) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.div currentRoundingMode .cse0 (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp.neg .cse0))))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (exists ((|v_skolemized_q#valueAsBitvector_68| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12|))) (let ((.cse1 (select .cse3 (_ bv0 32))) (.cse2 (select .cse3 (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_68|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_68|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_68|)) (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0))) (= |ULTIMATE.start___ieee754_pow_~lx~1#1| .cse1) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_68|) .cse2) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_68|) .cse1) (= |ULTIMATE.start___ieee754_pow_~hx~2#1| .cse2)))))) [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2023-12-02 16:37:22,341 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2023-12-02 16:37:22,342 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L895 garLoopResultBuilder]: At program point L213-1(lines 213 218) the Hoare annotation is: false [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2023-12-02 16:37:22,343 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 580) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2023-12-02 16:37:22,344 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L895 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2023-12-02 16:37:22,345 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2023-12-02 16:37:22,346 INFO L895 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2023-12-02 16:37:22,346 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point __ieee754_pow_returnLabel#1(lines 263 562) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2023-12-02 16:37:22,347 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point scalbn_double_returnLabel#1(lines 44 94) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2023-12-02 16:37:22,348 INFO L895 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L895 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2023-12-02 16:37:22,349 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2023-12-02 16:37:22,350 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2023-12-02 16:37:22,350 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2023-12-02 16:37:22,351 INFO L895 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L895 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2023-12-02 16:37:22,352 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L895 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2023-12-02 16:37:22,353 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2023-12-02 16:37:22,354 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2023-12-02 16:37:22,355 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2023-12-02 16:37:22,356 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2023-12-02 16:37:22,356 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-12-02 16:37:22,356 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2023-12-02 16:37:22,359 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-02 16:37:22,361 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:37:22,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~x == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0))) could not be translated [2023-12-02 16:37:22,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_68 : bv64, v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: (((~fp~64(v_skolemized_q#valueAsBitvector_68[63:63], v_skolemized_q#valueAsBitvector_68[62:52], v_skolemized_q#valueAsBitvector_68[51:0]) == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)) && ~lx~1 == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][0bv32]) && v_skolemized_q#valueAsBitvector_68[63:32] == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][4bv32]) && v_skolemized_q#valueAsBitvector_68[31:0] == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][0bv32]) && ~hx~2 == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][4bv32]) could not be translated [2023-12-02 16:37:22,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~x == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0))) could not be translated [2023-12-02 16:37:22,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:37:22 BoogieIcfgContainer [2023-12-02 16:37:22,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:37:22,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:37:22,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:37:22,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:37:22,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:34:56" (3/4) ... [2023-12-02 16:37:22,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:37:22,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2023-12-02 16:37:22,392 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 16:37:22,393 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 16:37:22,393 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 16:37:22,393 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:37:22,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:37:22,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:37:22,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:37:22,495 INFO L158 Benchmark]: Toolchain (without parser) took 209584.32ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 57.7MB in the beginning and 84.1MB in the end (delta: -26.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,495 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:37:22,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.39ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 92.2MB in the end (delta: -34.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.85ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 87.7MB in the end (delta: 4.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,496 INFO L158 Benchmark]: Boogie Preprocessor took 80.68ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 82.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,496 INFO L158 Benchmark]: RCFGBuilder took 63155.55ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 53.8MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,496 INFO L158 Benchmark]: TraceAbstraction took 145687.45ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 37.8MB in the end (delta: 51.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,497 INFO L158 Benchmark]: Witness Printer took 119.53ms. Allocated memory is still 117.4MB. Free memory was 37.7MB in the beginning and 84.1MB in the end (delta: -46.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:37:22,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.39ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 92.2MB in the end (delta: -34.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.85ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 87.7MB in the end (delta: 4.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.68ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 82.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 63155.55ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 53.8MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 145687.45ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 37.8MB in the end (delta: 51.1MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Witness Printer took 119.53ms. Allocated memory is still 117.4MB. Free memory was 37.7MB in the beginning and 84.1MB in the end (delta: -46.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~x == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_68 : bv64, v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: (((~fp~64(v_skolemized_q#valueAsBitvector_68[63:63], v_skolemized_q#valueAsBitvector_68[62:52], v_skolemized_q#valueAsBitvector_68[51:0]) == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)) && ~lx~1 == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][0bv32]) && v_skolemized_q#valueAsBitvector_68[63:32] == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][4bv32]) && v_skolemized_q#valueAsBitvector_68[31:0] == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][0bv32]) && ~hx~2 == #memory_int[v_ULTIMATE.start___ieee754_pow_~#ew_u~2#1.base_12][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~x == ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0))) could not be translated * 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 - PositiveResult [Line: 578]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 145.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 135.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 mSolverCounterUnknown, 532 SdHoareTripleChecker+Valid, 132.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 532 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 129.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 249 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 490 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 67 PreInvPairs, 69 NumberOfFragments, 121 HoareAnnotationTreeSize, 67 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 458 SizeOfPredicates, 26 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-02 16:37:22,711 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 16:37:22,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8886a2d3-f42f-41d2-b760-c7d370390f1e/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE