./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/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_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/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_77833fd2-3343-4508-a909-a78d1a6de2fb/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 32f6e63507d8f27fd9d87ab2451a0b72fee0ee83e89614f7e1545b1fd6e33871 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:19:04,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:19:04,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:19:04,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:19:04,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:19:04,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:19:04,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:19:04,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:19:04,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:19:04,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:19:04,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:19:04,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:19:04,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:19:04,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:19:04,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:19:04,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:19:04,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:19:04,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:19:04,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:19:04,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:19:04,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:19:04,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:19:04,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:19:04,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:19:04,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:19:04,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:19:04,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:04,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:19:04,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:19:04,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:19:04,770 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:19:04,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:19:04,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:19:04,771 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_77833fd2-3343-4508-a909-a78d1a6de2fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f6e63507d8f27fd9d87ab2451a0b72fee0ee83e89614f7e1545b1fd6e33871 [2023-12-03 03:19:04,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:19:05,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:19:05,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:19:05,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:19:05,012 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:19:05,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:19:07,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:19:08,029 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:19:08,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:19:08,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/f02c926ef/4bdaf0e3c5c3495ba845ff03d5a1239b/FLAG6228e0daf [2023-12-03 03:19:08,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/f02c926ef/4bdaf0e3c5c3495ba845ff03d5a1239b [2023-12-03 03:19:08,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:19:08,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:19:08,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:08,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:19:08,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:19:08,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:08" (1/1) ... [2023-12-03 03:19:08,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd2e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:08, skipping insertion in model container [2023-12-03 03:19:08,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:08" (1/1) ... [2023-12-03 03:19:08,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:19:08,970 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 03:19:08,974 INFO L158 Benchmark]: Toolchain (without parser) took 902.89ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 84.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:19:08,974 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:19:08,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.08ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 84.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:19:08,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.08ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 84.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/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_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/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_77833fd2-3343-4508-a909-a78d1a6de2fb/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 32f6e63507d8f27fd9d87ab2451a0b72fee0ee83e89614f7e1545b1fd6e33871 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:19:10,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:19:10,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:19:10,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:19:10,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:19:10,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:19:10,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:19:10,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:19:10,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:19:10,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:19:10,849 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:19:10,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:19:10,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:19:10,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:19:10,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:19:10,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:19:10,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:19:10,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:19:10,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:19:10,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:19:10,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:19:10,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:19:10,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:19:10,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:19:10,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:19:10,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:19:10,862 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:19:10,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:19:10,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:10,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:19:10,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:19:10,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:19:10,864 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:19:10,865 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:19:10,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:19:10,865 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:19:10,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:19:10,865 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_77833fd2-3343-4508-a909-a78d1a6de2fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32f6e63507d8f27fd9d87ab2451a0b72fee0ee83e89614f7e1545b1fd6e33871 [2023-12-03 03:19:11,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:19:11,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:19:11,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:19:11,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:19:11,165 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:19:11,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:19:13,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:19:14,270 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:19:14,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:19:14,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/8d47cd4f0/7c60527fa833410584145da78e6766a8/FLAGce43541ad [2023-12-03 03:19:14,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/data/8d47cd4f0/7c60527fa833410584145da78e6766a8 [2023-12-03 03:19:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:19:14,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:19:14,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:14,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:19:14,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:19:14,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:14" (1/1) ... [2023-12-03 03:19:14,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da6d3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:14, skipping insertion in model container [2023-12-03 03:19:14,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:19:14" (1/1) ... [2023-12-03 03:19:14,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:19:15,334 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_77833fd2-3343-4508-a909-a78d1a6de2fb/sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:19:15,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:15,673 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:19:15,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:19:15,727 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_77833fd2-3343-4508-a909-a78d1a6de2fb/sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:19:15,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:15,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:19:15,855 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_77833fd2-3343-4508-a909-a78d1a6de2fb/sv-benchmarks/c/neural-networks/poly_128_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:19:15,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:19:16,187 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:19:16,188 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:19:16,188 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:19:16,188 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:19:16,196 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:19:16,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16 WrapperNode [2023-12-03 03:19:16,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:19:16,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:16,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:19:16,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:19:16,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,353 INFO L138 Inliner]: procedures = 779, calls = 747, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1317 [2023-12-03 03:19:16,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:19:16,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:19:16,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:19:16,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:19:16,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:19:16,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:19:16,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:19:16,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:19:16,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:19:16" (1/1) ... [2023-12-03 03:19:16,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:19:16,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:19:16,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:19:16,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:19:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 03:19:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 03:19:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:19:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:19:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:19:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 03:19:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 03:19:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:19:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:19:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:19:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:19:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:19:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 03:19:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:19:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 03:19:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 03:19:16,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:19:16,781 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:19:59,894 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:20:01,432 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:20:01,432 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 03:20:01,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:01 BoogieIcfgContainer [2023-12-03 03:20:01,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:20:01,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:20:01,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:20:01,445 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:20:01,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:01" (1/1) ... [2023-12-03 03:20:01,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:20:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-03 03:20:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-03 03:20:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:20:01,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:01,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:01,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:01,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:20:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:10,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:13,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:13,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:13,837 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 03:20:13,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:20:18,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:20,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:22,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:26,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-03 03:20:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-03 03:20:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:20:26,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:26,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:26,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:26,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:26,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:20:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:35,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:37,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:37,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:38,098 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 03:20:38,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:20:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-03 03:20:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-03 03:20:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:20:39,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:39,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:39,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:20:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:48,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:50,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:50,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:51,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:20:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-03 03:20:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-03 03:20:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:20:51,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:51,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:21:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:00,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:02,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:02,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:03,445 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 03:21:03,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:21:05,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:07,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-03 03:21:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-03 03:21:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:21:08,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:08,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:08,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:21:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:18,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:20,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:20,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:21:21,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:21:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 286 transitions. [2023-12-03 03:21:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 286 transitions. [2023-12-03 03:21:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:21:23,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:23,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:23,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:23,265 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:23,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:21:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:31,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:34,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:34,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:34,683 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 03:21:34,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:21:37,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-03 03:21:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-03 03:21:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:21:37,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:37,346 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:37,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:21:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:46,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:48,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:48,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:21:49,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:21:51,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-03 03:21:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-03 03:21:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:21:56,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:56,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:56,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:56,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:56,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:22:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:05,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:08,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:08,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:09,230 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 03:22:09,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:22:10,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:13,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-03 03:22:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-03 03:22:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:22:13,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:13,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:13,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:13,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:13,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:22:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:22,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:24,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:24,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:22:26,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:22:31,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:43,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:45,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:22:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:22:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:22:47,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:47,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:47,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:47,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:47,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:22:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:56,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:58,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:58,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:00,151 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 03:23:00,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:23:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:02,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:02,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:02,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:02,603 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:02,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:23:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:12,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:14,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:14,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:15,353 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 03:23:15,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:23:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:15,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:15,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:15,428 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:15,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:23:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:24,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:27,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:27,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:27,809 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 03:23:27,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:23:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:27,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:27,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:27,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:27,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:27,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:23:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:37,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:39,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:39,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:40,099 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 03:23:40,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:23:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:40,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:40,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:40,176 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:40,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:23:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:49,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:51,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:51,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:52,449 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 03:23:52,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:23:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:52,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:52,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:52,552 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:52,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:24:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:01,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:03,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:03,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:04,684 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 03:24:04,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:04,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:04,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:04,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:04,758 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:04,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:24:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:16,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:17,141 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 03:24:17,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:24:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:17,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:17,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:17,243 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:17,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:24:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:29,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:29,888 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 03:24:29,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:24:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:29,976 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:29,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:29,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:29,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:29,978 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:29,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:24:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:41,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:41,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:42,305 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 03:24:42,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:24:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:42,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:42,384 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:42,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:24:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:54,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:54,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:54,962 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 03:24:55,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:24:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:55,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:55,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:55,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:55,072 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:55,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:25:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:06,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:06,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:07,613 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 03:25:07,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:07,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:07,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:07,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:07,693 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:07,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:25:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:17,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:19,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:19,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:20,420 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 03:25:20,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:25:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:20,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:20,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:20,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:20,526 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:20,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:25:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:30,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:32,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:33,354 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 03:25:33,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:25:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:33,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:33,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:33,466 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:33,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:25:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:43,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:45,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:45,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:46,323 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 03:25:46,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:25:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:46,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:46,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:46,407 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:46,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:25:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:58,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:58,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:59,181 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 03:25:59,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:25:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:59,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:59,267 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:59,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:26:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:26:11,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:12,680 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 03:26:12,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:26:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:26:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:26:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:26:12,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:12,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:12,799 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:12,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:26:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:22,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:25,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:26:25,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:25,872 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 03:26:25,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:26:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:26:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:26:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:26:25,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:25,976 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:25,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:26:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:36,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:26:38,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:39,399 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 03:26:39,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:26:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:26:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:26:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:26:39,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:39,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:39,487 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:39,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:26:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:51,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:26:51,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:52,622 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 03:26:52,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:26:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:26:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:26:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:26:52,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:52,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:52,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:52,698 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:52,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:27:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:02,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:04,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:04,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:05,702 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 03:27:05,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:27:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:27:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:27:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:27:05,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:05,784 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:05,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:27:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:18,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:18,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:19,349 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 03:27:19,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:27:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:27:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:27:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:27:19,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:19,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:19,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:19,429 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:19,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:27:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:30,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:33,279 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 03:27:33,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:27:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:27:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:27:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:27:33,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:33,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:33,369 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:33,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:27:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:43,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:46,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:46,778 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 03:27:46,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:27:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:27:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:27:46,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:46,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:46,857 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:46,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:27:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:59,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:27:59,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:00,582 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 03:28:00,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:28:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:28:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:28:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:00,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:00,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:00,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:00,675 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:00,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:28:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:11,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:14,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:28:14,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:14,845 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 03:28:14,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:28:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:28:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:28:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:14,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:14,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:14,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:14,922 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:14,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:28:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:25,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:27,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:28:27,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:28,706 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 03:28:28,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:28:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:28:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:28:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:28,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:28,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:28,787 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:28,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:28:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:39,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:42,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:28:42,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:43,100 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 03:28:43,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:28:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:28:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:28:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:43,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:43,196 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:43,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:28:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:54,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:57,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:28:57,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:57,806 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 03:28:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:28:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:28:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:28:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:57,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:57,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:57,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:57,888 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:57,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:29:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:08,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:11,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:29:11,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:12,024 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 03:29:12,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:29:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:29:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:29:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:29:12,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:12,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:12,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:12,173 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:12,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:29:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:23,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:26,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:29:26,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:26,833 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 03:29:26,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:29:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:29:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:29:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:29:26,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:26,920 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:26,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:29:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:38,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:40,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:29:40,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:41,483 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 03:29:41,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:29:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:29:41,580 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:29:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:29:41,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:41,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:41,581 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:41,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:29:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:52,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:55,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:29:55,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:55,907 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 03:29:55,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:29:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:29:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:29:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:29:55,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:55,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:55,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:55,993 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:55,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:30:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:07,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:09,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:30:09,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:10,325 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 03:30:10,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:30:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:30:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:30:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:30:10,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:10,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:10,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:10,431 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:10,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:30:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:22,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:24,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:30:24,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:25,149 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 03:30:25,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:30:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:30:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:30:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:30:25,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:25,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:25,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:25,242 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:25,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:30:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:36,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:38,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:30:38,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:39,723 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 03:30:39,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:30:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:30:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:30:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:30:39,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:39,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:39,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:39,815 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:39,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:30:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:51,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:54,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:30:54,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:55,227 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 03:30:55,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:30:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:30:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:30:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:30:55,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:55,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:55,328 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:55,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:31:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:07,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:09,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:31:09,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:10,791 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 03:31:10,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:31:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:31:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:31:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:31:10,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:10,973 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:10,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:31:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:23,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:25,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:31:25,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:26,488 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 03:31:26,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:31:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:31:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:31:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:31:26,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:26,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:26,640 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:26,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:31:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:38,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:40,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:31:40,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:41,156 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 03:31:41,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 03:31:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:41,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:31:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:31:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:31:41,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:41,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:41,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:41,296 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:41,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:31:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:52,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:54,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:31:54,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:55,179 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 03:31:55,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:31:55,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:31:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:31:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:31:55,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:55,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:55,271 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:55,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:32:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:07,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:09,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:32:09,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:10,615 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 03:32:10,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:32:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:32:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:32:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:32:10,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:10,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:10,716 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:32:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:22,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:25,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:32:25,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:26,336 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 03:32:26,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:32:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:32:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:32:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:32:26,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:26,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:26,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:26,473 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:32:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:39,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:42,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:32:42,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:42,886 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 03:32:42,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:32:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:32:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:32:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:32:42,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:42,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:42,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:42,991 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:42,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:32:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:55,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:32:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:57,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:32:57,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:32:58,681 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 03:32:58,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:32:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:32:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:32:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:32:58,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:32:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:32:58,779 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:32:58,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:33:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:11,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:13,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:33:13,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:14,732 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 03:33:14,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:33:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:33:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:33:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:33:14,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:14,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:14,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:14,838 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:33:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:27,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:33:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:29,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:33:29,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:33:30,557 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 03:33:30,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 03:33:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:33:30,660 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:33:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:33:30,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:30,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:33:30,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:33:30,662 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:33:30,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77833fd2-3343-4508-a909-a78d1a6de2fb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process