./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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 b018d41a1beef8a5ad19e4140a76a44ca3ee0509c1a1ecb873e2e1a147a8999a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:00:47,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:00:47,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:00:47,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:00:47,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:00:47,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:00:47,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:00:47,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:00:47,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:00:47,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:00:47,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:00:47,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:00:47,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:00:47,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:00:47,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:00:47,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:00:47,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:00:47,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:00:47,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:00:47,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:00:47,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:00:47,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:00:47,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:00:47,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:00:47,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:00:47,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:00:47,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:47,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:00:47,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:00:47,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:00:47,759 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:00:47,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:00:47,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:00:47,760 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018d41a1beef8a5ad19e4140a76a44ca3ee0509c1a1ecb873e2e1a147a8999a [2023-12-03 02:00:47,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:00:47,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:00:47,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:00:47,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:00:47,992 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:00:47,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i [2023-12-03 02:00:50,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:00:51,082 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:00:51,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i [2023-12-03 02:00:51,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/0efdc43da/23f7ae79da044ddebf51b95b6ef8ea38/FLAG9b6a62d9f [2023-12-03 02:00:51,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/0efdc43da/23f7ae79da044ddebf51b95b6ef8ea38 [2023-12-03 02:00:51,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:00:51,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:00:51,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:51,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:00:51,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:00:51,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:51" (1/1) ... [2023-12-03 02:00:51,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239f53d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:51, skipping insertion in model container [2023-12-03 02:00:51,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:51" (1/1) ... [2023-12-03 02:00:51,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:52,031 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: fabs 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:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) 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 02:00:52,036 INFO L158 Benchmark]: Toolchain (without parser) took 906.75ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 75.6MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:00:52,036 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:52,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.54ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 75.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:00:52,038 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 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.54ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 75.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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 b018d41a1beef8a5ad19e4140a76a44ca3ee0509c1a1ecb873e2e1a147a8999a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:00:53,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:00:53,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:00:53,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:00:53,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:00:53,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:00:53,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:00:53,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:00:53,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:00:53,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:00:53,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:00:53,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:00:53,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:00:53,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:00:53,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:00:53,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:00:53,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:00:53,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:00:53,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:00:53,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:00:53,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:00:53,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:00:53,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:00:53,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:00:53,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:00:53,915 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:53,915 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:53,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:00:53,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:53,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:00:53,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:00:53,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:00:53,918 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:00:53,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:53,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:00:53,919 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:00:53,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:53,920 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018d41a1beef8a5ad19e4140a76a44ca3ee0509c1a1ecb873e2e1a147a8999a [2023-12-03 02:00:54,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:00:54,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:00:54,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:00:54,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:00:54,254 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:00:54,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i [2023-12-03 02:00:57,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:00:57,424 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:00:57,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i [2023-12-03 02:00:57,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/ac904dfa2/e1e297f78cd14e7b86550f2e0b6d524e/FLAGa360dbdea [2023-12-03 02:00:57,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/data/ac904dfa2/e1e297f78cd14e7b86550f2e0b6d524e [2023-12-03 02:00:57,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:00:57,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:00:57,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:57,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:00:57,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:00:57,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:57" (1/1) ... [2023-12-03 02:00:57,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b24989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:57, skipping insertion in model container [2023-12-03 02:00:57,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:57" (1/1) ... [2023-12-03 02:00:57,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:58,327 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 02:00:58,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:58,632 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:00:58,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:58,675 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 02:00:58,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:58,781 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:00:58,813 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_5434bfa0-9039-49da-88e9-67ecfa4dba4e/sv-benchmarks/c/neural-networks/poly_256_thresh_5_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 02:00:58,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:59,146 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:59,146 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:59,147 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:59,147 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:59,153 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:00:59,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59 WrapperNode [2023-12-03 02:00:59,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:59,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:59,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:00:59,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:00:59,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,367 INFO L138 Inliner]: procedures = 779, calls = 1131, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1701 [2023-12-03 02:00:59,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:59,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:00:59,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:00:59,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:00:59,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:00:59,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:00:59,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:00:59,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:00:59,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:59" (1/1) ... [2023-12-03 02:00:59,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:00:59,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:00:59,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:00:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:00:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 02:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:00:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 02:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:00:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 02:00:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 02:00:59,812 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:00:59,814 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:01:43,869 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:01:45,834 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:01:45,835 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 02:01:45,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:01:45 BoogieIcfgContainer [2023-12-03 02:01:45,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:01:45,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:01:45,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:01:45,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:01:45,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:01:45" (1/1) ... [2023-12-03 02:01:45,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:01:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:01:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-03 02:01:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-03 02:01:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:01:45,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:01:45,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:01:45,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:01:45,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:01:45,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:02:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:03,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:11,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 4541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:02:11,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:12,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:02:18,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:19,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:23,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:25,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:29,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-03 02:02:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-03 02:02:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:02:30,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:30,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:30,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:30,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:30,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:02:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:48,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:02:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:54,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:02:54,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:02:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:55,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:02:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-03 02:02:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-03 02:02:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:02:57,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:57,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:02:57,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:02:57,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:02:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:03:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:14,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:20,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 4550 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:03:20,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:03:21,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:03:25,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-03 02:03:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-03 02:03:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:03:25,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:25,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:25,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:25,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:03:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:43,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:03:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:49,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 4545 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:03:49,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:03:51,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:03:53,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:54,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:03:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-03 02:03:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-03 02:03:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:03:56,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:56,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:03:56,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:03:56,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:03:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:04:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:14,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:04:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:20,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:04:20,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:04:21,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:04:23,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:25,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 135 states and 260 transitions. [2023-12-03 02:04:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2023-12-03 02:04:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:04:25,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:25,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:25,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:25,159 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:25,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:04:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:43,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:04:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:49,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:04:49,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:04:50,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:04:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-03 02:04:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-03 02:04:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:04:53,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:53,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:53,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:53,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:53,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:05:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:12,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:18,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:05:18,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:19,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:05:21,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:23,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:25,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:27,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-03 02:05:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-03 02:05:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:05:31,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:31,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:31,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:31,992 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:31,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:05:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:50,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:56,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:05:56,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:58,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:06:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-03 02:06:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-03 02:06:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:06:03,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:03,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:03,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:03,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:06:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:21,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:27,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 4551 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:06:27,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:06:30,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:06:38,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:44,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:07:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:07:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:07:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:07:04,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:04,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:04,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:04,726 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:07:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:24,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:31,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:07:31,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:07:34,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:07:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:07:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:07:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:07:38,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:38,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:38,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:38,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:07:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:58,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:06,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:08:06,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:08:07,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:08:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:08:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:08:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:08:07,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:07,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:07,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:07,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:07,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:08:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:27,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:34,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:08:34,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:08:35,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:08:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:08:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:08:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:08:35,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:35,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:35,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:35,793 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:08:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:58,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:05,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:09:05,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:09:07,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:09:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:09:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:09:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:09:07,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:07,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:07,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:07,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:07,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:09:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:29,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:37,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:09:37,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:09:39,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:09:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:09:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:09:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:09:39,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:39,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:39,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:39,225 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:09:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:59,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:06,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:10:06,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:10:08,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:10:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:10:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:10:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:10:08,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:08,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:08,298 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:08,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:10:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:30,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:37,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:10:37,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:10:39,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:10:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:10:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:10:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:10:39,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:39,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:39,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:39,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:39,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:11:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:00,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:07,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:11:07,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:11:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:11:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:11:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:11:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:11:08,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:08,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:08,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:08,745 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:08,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:11:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:28,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:35,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:11:35,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:36,801 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:11:36,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:11:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:11:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:11:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:11:36,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:36,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:36,909 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:36,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:11:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:57,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:03,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:03,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:12:05,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:12:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:12:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:12:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:12:05,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:05,358 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:05,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:12:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:26,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:32,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:12:34,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:12:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:12:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:12:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:12:34,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:34,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:34,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:34,097 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:34,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:12:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:55,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:03,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:03,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:13:04,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:13:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:13:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:13:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:13:04,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:04,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:04,615 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:04,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:13:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:27,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:35,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:35,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:13:36,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:13:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:13:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:13:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:13:36,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:36,895 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:36,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:13:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:58,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:05,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:05,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:14:06,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:14:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:14:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:14:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:14:06,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:06,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:06,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:06,688 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:14:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:27,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:34,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:34,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:14:35,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:14:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:14:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:14:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:14:35,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:35,812 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:35,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:14:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:58,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:05,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:05,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:15:06,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:15:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:15:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:15:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:15:06,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:06,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:06,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:06,660 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:06,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:15:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:27,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:34,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:34,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:15:35,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:15:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 02:15:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 02:15:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:15:35,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:35,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:35,538 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:35,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5434bfa0-9039-49da-88e9-67ecfa4dba4e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process