./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.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_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/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_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/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_823041b0-629e-41b3-a24e-077b668193fe/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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:34:48,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:34:49,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:34:49,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:34:49,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:34:49,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:34:49,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:34:49,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:34:49,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:34:49,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:34:49,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:34:49,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:34:49,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:34:49,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:34:49,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:34:49,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:34:49,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:34:49,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:34:49,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:34:49,053 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:34:49,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:34:49,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:34:49,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:34:49,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:34:49,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:34:49,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:34:49,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:49,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:34:49,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:34:49,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:34:49,058 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:34:49,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:34:49,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:34:49,059 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_823041b0-629e-41b3-a24e-077b668193fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2023-12-03 02:34:49,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:34:49,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:34:49,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:34:49,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:34:49,301 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:34:49,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2023-12-03 02:34:52,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:34:52,291 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:34:52,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2023-12-03 02:34:52,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/0e0c52d41/d0481e95026b4f3d9d14ca5797b28862/FLAGb7ad85a3c [2023-12-03 02:34:52,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/0e0c52d41/d0481e95026b4f3d9d14ca5797b28862 [2023-12-03 02:34:52,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:34:52,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:34:52,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:52,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:34:52,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:34:52,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:52" (1/1) ... [2023-12-03 02:34:52,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddeb8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:52, skipping insertion in model container [2023-12-03 02:34:52,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:52" (1/1) ... [2023-12-03 02:34:52,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:34:52,556 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) [2023-12-03 02:34:52,561 INFO L158 Benchmark]: Toolchain (without parser) took 245.08ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 102.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:34:52,562 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:52,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.30ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 102.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:34:52,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.30ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 102.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. 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_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/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_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/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_823041b0-629e-41b3-a24e-077b668193fe/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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:34:54,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:34:54,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:34:54,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:34:54,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:34:54,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:34:54,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:34:54,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:34:54,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:34:54,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:34:54,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:34:54,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:34:54,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:34:54,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:34:54,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:34:54,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:34:54,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:34:54,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:34:54,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:34:54,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:34:54,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:34:54,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:34:54,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:34:54,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:34:54,389 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:34:54,389 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:54,390 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:34:54,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:34:54,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:54,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:34:54,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:34:54,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:34:54,393 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:34:54,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:54,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:34:54,394 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:34:54,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:34:54,394 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_823041b0-629e-41b3-a24e-077b668193fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2023-12-03 02:34:54,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:34:54,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:34:54,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:34:54,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:34:54,731 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:34:54,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2023-12-03 02:34:57,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:34:57,769 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:34:57,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2023-12-03 02:34:57,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/8979f76b9/cef7767ba0c249c6a40ccf654310b17e/FLAG3ae6db751 [2023-12-03 02:34:57,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/data/8979f76b9/cef7767ba0c249c6a40ccf654310b17e [2023-12-03 02:34:57,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:34:57,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:34:57,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:57,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:34:57,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:34:57,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:57" (1/1) ... [2023-12-03 02:34:57,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdf0205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:57, skipping insertion in model container [2023-12-03 02:34:57,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:57" (1/1) ... [2023-12-03 02:34:57,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:34:58,110 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_823041b0-629e-41b3-a24e-077b668193fe/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2023-12-03 02:34:58,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:58,130 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:34:58,208 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_823041b0-629e-41b3-a24e-077b668193fe/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2023-12-03 02:34:58,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:58,230 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:34:58,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58 WrapperNode [2023-12-03 02:34:58,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:58,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:58,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:34:58,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:34:58,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,307 INFO L138 Inliner]: procedures = 25, calls = 165, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 758 [2023-12-03 02:34:58,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:58,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:34:58,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:34:58,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:34:58,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:34:58,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:34:58,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:34:58,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:34:58,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:58" (1/1) ... [2023-12-03 02:34:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:58,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:34:58,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:34:58,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:34:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:34:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 02:34:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-03 02:34:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-03 02:34:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 02:34:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:34:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:34:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-12-03 02:34:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-12-03 02:34:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-03 02:34:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:34:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:34:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:34:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:34:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:34:58,615 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:34:58,618 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:37:58,709 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:37:58,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:37:58,881 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 02:37:58,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:37:58 BoogieIcfgContainer [2023-12-03 02:37:58,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:37:58,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:37:58,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:37:58,891 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:37:58,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:37:58" (1/1) ... [2023-12-03 02:37:58,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:37:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2023-12-03 02:37:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2023-12-03 02:37:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:37:58,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:58,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:58,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:58,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:58,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:38:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:38:00,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:00,306 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 02:38:00,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:10,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:38:21,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:38:23,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:38:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-12-03 02:38:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-03 02:38:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:38:23,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:23,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:23,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:23,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:23,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:38:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:25,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:25,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:38:25,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:27,392 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 02:38:27,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:38:29,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:38:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 241 transitions. [2023-12-03 02:38:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2023-12-03 02:38:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:38:31,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:31,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:31,668 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:31,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:38:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:37,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:37,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 02:38:37,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:39,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:38:45,860 INFO L349 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2023-12-03 02:38:45,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 54 [2023-12-03 02:38:49,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:38:49,712 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 54 treesize of output 34 [2023-12-03 02:38:53,038 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 02:38:53,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:39:08,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:39:44,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:40:05,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:40:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 259 transitions. [2023-12-03 02:40:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 259 transitions. [2023-12-03 02:40:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:40:05,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:05,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:05,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:40:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:11,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:11,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 02:40:11,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:12,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:40:15,803 INFO L349 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2023-12-03 02:40:15,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 62 [2023-12-03 02:40:32,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:40:32,845 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 62 treesize of output 38 [2023-12-03 02:41:38,892 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 02:41:38,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 02:42:01,386 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= |c_ULTIMATE.start___ieee754_pow_~hy~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse2) (_ +zero 11 53))) (fp.lt (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)))))) (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|)))) is different from false [2023-12-03 02:42:41,919 WARN L293 SmtUtils]: Spent 14.81s on a formula simplification. DAG size of input: 84 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:43:22,396 WARN L876 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= |c_ULTIMATE.start___ieee754_pow_~hy~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse2) (_ +zero 11 53))) (fp.lt (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)))))) (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|))))) is different from true [2023-12-03 02:43:32,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:43:43,013 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|)) |c_ULTIMATE.start___ieee754_pow_~iy~0#1|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))))) (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= |c_ULTIMATE.start___ieee754_pow_~iy~0#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) |c_ULTIMATE.start___ieee754_pow_~ix~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse2) (_ +zero 11 53))) (fp.lt (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)) |c_ULTIMATE.start___ieee754_pow_~ix~0#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~iy~0#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|)))))))) is different from false [2023-12-03 02:44:43,912 WARN L876 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|)) |c_ULTIMATE.start___ieee754_pow_~iy~0#1|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))))) (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= |c_ULTIMATE.start___ieee754_pow_~iy~0#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) |c_ULTIMATE.start___ieee754_pow_~ix~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse2 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse2) (_ +zero 11 53))) (fp.lt (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) .cse2) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)) |c_ULTIMATE.start___ieee754_pow_~ix~0#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~iy~0#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|))))))))) is different from true [2023-12-03 02:45:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 164 states and 268 transitions. [2023-12-03 02:45:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 268 transitions. [2023-12-03 02:45:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:45:39,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:39,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:39,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:45:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:44,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:44,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:45:44,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:45,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:45:48,976 INFO L349 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2023-12-03 02:45:48,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 62 [2023-12-03 02:46:03,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:46:03,161 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 62 treesize of output 38 [2023-12-03 02:47:07,548 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 02:47:07,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:47:17,610 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_118| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_118|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_118|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_118|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_118|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53))) (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_118|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|))))) (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse3) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= |c_ULTIMATE.start___ieee754_pow_~hy~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse3) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse4 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse4) (_ +zero 11 53))) (fp.lt (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) .cse4) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)))))) (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|)))) is different from false [2023-12-03 02:48:44,680 WARN L876 $PredicateComparison]: unable to prove that (not (and (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_118| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse1 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse1) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_118|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_118|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_118|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_118|)) (fp.div currentRoundingMode (fp.neg .cse1) (_ +zero 11 53))) (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_118|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|))))) (exists ((|v_skolemized_q#valueAsBitvector_102| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_103| (_ BitVec 64)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |c_ULTIMATE.start___ieee754_pow_~ly~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.lt (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_102|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse3) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_102|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_102|))) (= |c_ULTIMATE.start___ieee754_pow_~hy~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_103|)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_102|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_103|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_103|)) (fp.div currentRoundingMode (fp.neg .cse3) (_ +zero 11 53)))))) (not (exists ((|v_skolemized_q#valueAsBitvector_87| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_88| (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_skolemized_q#valueAsBitvector_86| (_ BitVec 64))) (let ((.cse4 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_88|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_88|)) (fp.div currentRoundingMode (fp.neg .cse4) (_ +zero 11 53))) (fp.lt (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_86|)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) .cse4) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_87|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_87|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_86|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_86|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_88|) |c_ULTIMATE.start___ieee754_pow_~ly~0#1|) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_87|)))))) (exists ((|v_skolemized_q#valueAsBitvector_73| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_73|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_73|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_73|) |c_ULTIMATE.start___ieee754_pow_~hy~1#1|))))) is different from true [2023-12-03 02:48:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 163 states and 265 transitions. [2023-12-03 02:48:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2023-12-03 02:48:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:48:44,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:44,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:44,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:44,689 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:44,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823041b0-629e-41b3-a24e-077b668193fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:48:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:50,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:50,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:48:50,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:51,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-12-03 02:48:54,865 INFO L349 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2023-12-03 02:48:54,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 62 [2023-12-03 02:49:10,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:49:10,353 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 62 treesize of output 38