./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --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_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/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_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/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_2017714f-4d47-4e96-8629-35c721f22c31/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 c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:25:53,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:25:53,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:25:53,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:25:53,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:25:53,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:25:53,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:25:53,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:25:53,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:25:53,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:25:53,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:25:53,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:25:53,930 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:25:53,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:25:53,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:25:53,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:25:53,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:25:53,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:25:53,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:25:53,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:25:53,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:25:53,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:25:53,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:25:53,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:25:53,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:25:53,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:25:53,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:25:53,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:25:53,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:25:53,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:25:53,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:25:53,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:25:53,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:25:53,940 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_2017714f-4d47-4e96-8629-35c721f22c31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 [2023-12-03 04:25:54,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:25:54,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:25:54,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:25:54,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:25:54,174 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:25:54,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-12-03 04:25:56,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:25:57,202 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:25:57,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-12-03 04:25:57,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/6198533bf/13bc69745c634675bce2d180115c47de/FLAG0742f4685 [2023-12-03 04:25:57,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/6198533bf/13bc69745c634675bce2d180115c47de [2023-12-03 04:25:57,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:25:57,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:25:57,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:25:57,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:25:57,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:25:57,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:25:57" (1/1) ... [2023-12-03 04:25:57,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a22b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:25:57, skipping insertion in model container [2023-12-03 04:25:57,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:25:57" (1/1) ... [2023-12-03 04:25:57,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:25:57,792 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) 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.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) 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.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) 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 04:25:57,796 INFO L158 Benchmark]: Toolchain (without parser) took 559.87ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:25:57,797 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:25:57,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.84ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:25:57,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.84ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/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_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/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_2017714f-4d47-4e96-8629-35c721f22c31/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 c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:25:59,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:25:59,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:25:59,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:25:59,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:25:59,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:25:59,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:25:59,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:25:59,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:25:59,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:25:59,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:25:59,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:25:59,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:25:59,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:25:59,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:25:59,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:25:59,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:25:59,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:25:59,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:25:59,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:25:59,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:25:59,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:25:59,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:25:59,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:25:59,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:25:59,610 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:59,611 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:25:59,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:25:59,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:25:59,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:25:59,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:25:59,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:25:59,613 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:25:59,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:59,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:25:59,614 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:25:59,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:25:59,615 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_2017714f-4d47-4e96-8629-35c721f22c31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4 [2023-12-03 04:25:59,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:25:59,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:25:59,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:25:59,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:25:59,919 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:25:59,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-12-03 04:26:02,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:26:02,999 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:26:03,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2023-12-03 04:26:03,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/a45712c08/3f337d748ac740bc8537d0f5a8c920a1/FLAG39ba39272 [2023-12-03 04:26:03,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/data/a45712c08/3f337d748ac740bc8537d0f5a8c920a1 [2023-12-03 04:26:03,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:26:03,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:26:03,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:26:03,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:26:03,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:26:03,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af6a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03, skipping insertion in model container [2023-12-03 04:26:03,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:26:03,549 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2023-12-03 04:26:03,553 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2023-12-03 04:26:03,554 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2023-12-03 04:26:03,557 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2023-12-03 04:26:03,559 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2023-12-03 04:26:03,562 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2023-12-03 04:26:03,563 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2023-12-03 04:26:03,564 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2023-12-03 04:26:03,566 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2023-12-03 04:26:03,568 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2023-12-03 04:26:03,571 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2023-12-03 04:26:03,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:26:03,584 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:26:03,612 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2023-12-03 04:26:03,613 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2023-12-03 04:26:03,615 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2023-12-03 04:26:03,617 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2023-12-03 04:26:03,618 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2023-12-03 04:26:03,621 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2023-12-03 04:26:03,622 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2023-12-03 04:26:03,623 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2023-12-03 04:26:03,625 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2023-12-03 04:26:03,626 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2023-12-03 04:26:03,629 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_2017714f-4d47-4e96-8629-35c721f22c31/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2023-12-03 04:26:03,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:26:03,734 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:26:03,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03 WrapperNode [2023-12-03 04:26:03,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:26:03,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:26:03,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:26:03,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:26:03,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,785 INFO L138 Inliner]: procedures = 449, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-12-03 04:26:03,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:26:03,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:26:03,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:26:03,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:26:03,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:26:03,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:26:03,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:26:03,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:26:03,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:26:03" (1/1) ... [2023-12-03 04:26:03,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:26:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:26:03,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:26:03,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:26:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:26:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:26:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:26:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:26:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:26:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:26:03,981 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:26:03,984 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:26:04,118 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:26:04,144 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:26:04,144 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:26:04,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:26:04 BoogieIcfgContainer [2023-12-03 04:26:04,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:26:04,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:26:04,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:26:04,157 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:26:04,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:26:04" (1/1) ... [2023-12-03 04:26:04,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:26:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-12-03 04:26:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-12-03 04:26:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:26:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:04,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:04,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:04,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:26:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:04,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:04,519 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 04:26:04,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:26:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2023-12-03 04:26:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-12-03 04:26:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:26:04,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:04,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:04,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:04,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:26:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:04,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:04,760 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 04:26:04,762 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:26:04,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:26:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2023-12-03 04:26:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-12-03 04:26:04,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:26:04,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:04,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:04,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:26:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:04,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:04,907 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 04:26:04,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 04:26:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2023-12-03 04:26:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-12-03 04:26:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:26:04,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:04,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:04,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:04,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:04,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:26:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:05,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:26:05,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:26:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-12-03 04:26:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-12-03 04:26:05,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:26:05,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:05,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:05,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:05,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:26:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:05,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:26:05,346 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:26:05,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:26:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-12-03 04:26:05,359 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-12-03 04:26:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:26:05,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:05,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:05,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:05,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:26:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:05,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:05,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:26:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-12-03 04:26:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-12-03 04:26:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:26:05,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:05,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:05,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:05,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:26:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:05,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:05,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:26:05,804 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Stream closed [2023-12-03 04:26:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2023-12-03 04:26:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-12-03 04:26:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:26:05,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:05,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:05,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:05,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:26:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:05,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:05,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:05,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:26:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:05,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-12-03 04:26:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-12-03 04:26:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:26:05,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:05,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:05,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:05,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:05,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:26:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:06,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:26:06,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:26:06,210 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:26:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-12-03 04:26:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-12-03 04:26:06,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:26:06,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:06,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:06,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:06,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:06,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:26:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:06,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:26:06,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:26:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-12-03 04:26:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-12-03 04:26:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:26:06,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:06,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:06,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:06,508 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:06,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:26:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:06,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:26:06,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:26:06,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:26:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-12-03 04:26:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-12-03 04:26:06,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:26:06,882 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-12-03 04:26:06,891 INFO L751 CodeCheckObserver]: All specifications hold 11 specifications checked. All of them hold [2023-12-03 04:26:06,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:26:06 ImpRootNode [2023-12-03 04:26:06,937 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:26:06,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:26:06,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:26:06,939 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:26:06,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:26:04" (3/4) ... [2023-12-03 04:26:06,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:26:06,945 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 04:26:06,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 04:26:06,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:26:06,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:26:06,951 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:26:07,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:26:07,046 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:26:07,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:26:07,046 INFO L158 Benchmark]: Toolchain (without parser) took 4015.72ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 67.1MB in the beginning and 70.2MB in the end (delta: -3.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,047 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:26:07,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.19ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 43.8MB in the end (delta: 23.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.96ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,048 INFO L158 Benchmark]: Boogie Preprocessor took 28.71ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 39.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,048 INFO L158 Benchmark]: RCFGBuilder took 330.73ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 61.0MB in the end (delta: -21.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,049 INFO L158 Benchmark]: CodeCheck took 2790.33ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.4MB in the beginning and 75.3MB in the end (delta: -14.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,049 INFO L158 Benchmark]: Witness Printer took 107.79ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 70.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:26:07,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 47 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 635 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 150 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1350 GetRequests, 1333 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 19 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 66/66 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 973]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 974]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 975]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 981]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 982]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 988]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 989]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.19ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 43.8MB in the end (delta: 23.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.96ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.71ms. Allocated memory is still 92.3MB. Free memory was 40.9MB in the beginning and 39.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.73ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 61.0MB in the end (delta: -21.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 2790.33ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.4MB in the beginning and 75.3MB in the end (delta: -14.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 107.79ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 70.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:26:07,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2017714f-4d47-4e96-8629-35c721f22c31/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE