./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:32:23,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:32:23,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:32:23,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:32:23,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:32:23,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:32:23,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:32:23,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:32:23,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:32:23,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:32:23,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:32:23,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:32:23,137 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:32:23,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:32:23,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:32:23,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:32:23,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:32:23,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:32:23,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:32:23,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:32:23,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:32:23,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:32:23,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:32:23,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:32:23,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:32:23,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:32:23,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:32:23,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:32:23,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:32:23,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:32:23,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:32:23,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:32:23,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:32:23,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2023-12-03 02:32:23,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:32:23,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:32:23,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:32:23,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:32:23,370 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:32:23,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2023-12-03 02:32:26,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:32:26,421 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:32:26,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2023-12-03 02:32:26,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/6af407384/0d31487b29ef4385bb7a67b6a0b81843/FLAGc24491035 [2023-12-03 02:32:26,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/6af407384/0d31487b29ef4385bb7a67b6a0b81843 [2023-12-03 02:32:26,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:32:26,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:32:26,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:32:26,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:32:26,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:32:26,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:26" (1/1) ... [2023-12-03 02:32:26,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad69058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:26, skipping insertion in model container [2023-12-03 02:32:26,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:26" (1/1) ... [2023-12-03 02:32:26,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:32:26,712 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$63(StandardFunctionHandler.java:436) 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) [2023-12-03 02:32:26,717 INFO L158 Benchmark]: Toolchain (without parser) took 265.72ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 85.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:32:26,717 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:32:26,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.74ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 85.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:32:26,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.74ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 85.5MB in the end (delta: 12.3MB). 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:32:28,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:32:28,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:32:28,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:32:28,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:32:28,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:32:28,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:32:28,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:32:28,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:32:28,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:32:28,536 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:32:28,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:32:28,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:32:28,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:32:28,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:32:28,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:32:28,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:32:28,540 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:32:28,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:32:28,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:32:28,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:32:28,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:32:28,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:32:28,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:32:28,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:32:28,543 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:28,544 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:32:28,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:32:28,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:32:28,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:32:28,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:32:28,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:32:28,547 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:32:28,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:28,547 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:32:28,548 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:32:28,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:32:28,548 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_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2023-12-03 02:32:28,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:32:28,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:32:28,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:32:28,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:32:28,894 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:32:28,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2023-12-03 02:32:31,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:32:31,955 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:32:31,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2023-12-03 02:32:31,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/4a72369a8/0c9a774f25994b309259bcc6f4bb1077/FLAG8ff154c28 [2023-12-03 02:32:31,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/data/4a72369a8/0c9a774f25994b309259bcc6f4bb1077 [2023-12-03 02:32:31,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:32:31,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:32:31,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:32:31,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:32:31,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:32:31,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:31" (1/1) ... [2023-12-03 02:32:31,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab00f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:31, skipping insertion in model container [2023-12-03 02:32:31,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:32:31" (1/1) ... [2023-12-03 02:32:32,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:32:32,285 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_756dc494-a618-43b6-934b-a24062e2a899/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2023-12-03 02:32:32,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:32:32,306 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:32:32,392 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_756dc494-a618-43b6-934b-a24062e2a899/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2023-12-03 02:32:32,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:32:32,412 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:32:32,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32 WrapperNode [2023-12-03 02:32:32,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:32:32,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:32:32,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:32:32,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:32:32,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,490 INFO L138 Inliner]: procedures = 26, calls = 188, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 762 [2023-12-03 02:32:32,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:32:32,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:32:32,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:32:32,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:32:32,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:32:32,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:32:32,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:32:32,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:32:32,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:32:32" (1/1) ... [2023-12-03 02:32:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:32:32,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:32:32,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:32:32,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:32:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:32:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:32:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:32:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:32:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:32:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:32:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-12-03 02:32:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-12-03 02:32:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:32:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:32:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:32:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:32:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:32:32,781 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:32:32,783 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:33:48,519 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:33:48,649 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:33:48,649 INFO L309 CfgBuilder]: Removed 70 assume(true) statements. [2023-12-03 02:33:48,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:48 BoogieIcfgContainer [2023-12-03 02:33:48,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:33:48,651 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:33:48,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:33:48,659 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:33:48,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:48" (1/1) ... [2023-12-03 02:33:48,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:33:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 258 transitions. [2023-12-03 02:33:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2023-12-03 02:33:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:33:48,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:48,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:48,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:33:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:33:49,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:50,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:55,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:33:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 151 states and 253 transitions. [2023-12-03 02:33:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 253 transitions. [2023-12-03 02:33:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:33:57,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:57,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:57,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:33:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:33:59,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:59,811 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:33:59,812 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-12-03 02:34:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:00,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:34:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 151 states and 252 transitions. [2023-12-03 02:34:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 252 transitions. [2023-12-03 02:34:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:34:01,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:01,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:01,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:01,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_756dc494-a618-43b6-934b-a24062e2a899/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:34:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:34:06,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:34:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat