./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:32,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:32,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:31:32,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:31:32,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:31:32,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:32,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:32,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:32,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:32,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:32,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:32,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:32,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:32,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:32,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:32,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:32,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:31:32,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:31:32,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da [2024-12-06 01:31:32,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:32,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:32,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:32,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:32,388 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:32,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2024-12-06 01:31:35,431 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/f19b438f0/9ef2c7c860b048bd8bdbc67f50bee73c/FLAG6723af9ae [2024-12-06 01:31:35,780 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:35,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2024-12-06 01:31:35,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/f19b438f0/9ef2c7c860b048bd8bdbc67f50bee73c/FLAG6723af9ae [2024-12-06 01:31:35,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/f19b438f0/9ef2c7c860b048bd8bdbc67f50bee73c [2024-12-06 01:31:35,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:35,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:35,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:35,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:35,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:35,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:35" (1/1) ... [2024-12-06 01:31:35,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b591d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:35, skipping insertion in model container [2024-12-06 01:31:35,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:35" (1/1) ... [2024-12-06 01:31:35,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:37,204 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1019) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1752) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:31:37,210 INFO L158 Benchmark]: Toolchain (without parser) took 1388.68ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 63.8MB in the end (delta: 24.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:37,210 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:31:37,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.08ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 63.8MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:31:37,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.08ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 63.8MB in the end (delta: 24.1MB). Peak memory consumption was 16.8MB. 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:31:39,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:31:39,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:31:39,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:31:39,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:31:39,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:31:39,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:31:39,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:31:39,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:31:39,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:31:39,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:31:39,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:31:39,390 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:31:39,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:39,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:31:39,391 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:39,392 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:31:39,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81399872d705a5b49eab707a0824ec9239e82599eed50ef4951b1215874e80da [2024-12-06 01:31:39,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:31:39,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:31:39,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:31:39,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:31:39,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:31:39,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2024-12-06 01:31:42,646 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/2952fe130/d9199234f8234c66b249d2a91be1e782/FLAG78542490d [2024-12-06 01:31:43,057 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:31:43,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_17_good.i [2024-12-06 01:31:43,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/2952fe130/d9199234f8234c66b249d2a91be1e782/FLAG78542490d [2024-12-06 01:31:43,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/data/2952fe130/d9199234f8234c66b249d2a91be1e782 [2024-12-06 01:31:43,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:31:43,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:31:43,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:43,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:31:43,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:31:43,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:43" (1/1) ... [2024-12-06 01:31:43,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35857e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:43, skipping insertion in model container [2024-12-06 01:31:43,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:31:43" (1/1) ... [2024-12-06 01:31:43,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:31:44,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:44,641 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:31:44,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:31:45,027 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:31:45,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45 WrapperNode [2024-12-06 01:31:45,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:31:45,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:45,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:31:45,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:31:45,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,088 INFO L138 Inliner]: procedures = 942, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2024-12-06 01:31:45,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:31:45,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:31:45,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:31:45,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:31:45,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,112 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:31:45,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:31:45,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:31:45,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:31:45,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:31:45" (1/1) ... [2024-12-06 01:31:45,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:31:45,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:31:45,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:31:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:31:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-06 01:31:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-06 01:31:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:31:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:31:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:31:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:31:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:31:45,358 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:31:45,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:31:47,822 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-06 01:31:47,822 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:31:47,875 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:31:47,875 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:31:47,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:47 BoogieIcfgContainer [2024-12-06 01:31:47,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:31:47,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:31:47,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:31:47,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:31:47,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:31:47" (1/1) ... [2024-12-06 01:31:47,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:31:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2024-12-06 01:31:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-12-06 01:31:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:31:47,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:47,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:47,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:47,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:31:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:31:48,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:31:48,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:31:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2024-12-06 01:31:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-12-06 01:31:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:31:48,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:48,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:48,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:48,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:31:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:31:48,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:31:48,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:31:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2024-12-06 01:31:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2024-12-06 01:31:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:31:48,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:48,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:48,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:48,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:31:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:31:48,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:31:48,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:31:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2024-12-06 01:31:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2024-12-06 01:31:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:31:48,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:48,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:48,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:31:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:48,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:31:48,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:31:48,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:31:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2024-12-06 01:31:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2024-12-06 01:31:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:31:49,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:49,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:49,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:49,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:31:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:31:49,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:31:49,160 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 01:31:49,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:31:49,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2024-12-06 01:31:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-12-06 01:31:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:31:49,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:49,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:49,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:49,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:49,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:31:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:31:49,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:31:49,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 01:31:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2024-12-06 01:31:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2024-12-06 01:31:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:31:49,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:49,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:49,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:49,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:31:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,555 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:31:49,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:31:49,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:31:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2024-12-06 01:31:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-12-06 01:31:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:31:49,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:49,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:49,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:49,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:31:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:49,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:31:49,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:31:50,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:31:53,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:31:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2024-12-06 01:31:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-12-06 01:31:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:31:53,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:53,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:53,566 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:31:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:53,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:53,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:31:53,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:31:53,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 01:31:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2024-12-06 01:31:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2024-12-06 01:31:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:31:53,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:53,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:53,690 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:53,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:31:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:53,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:53,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:31:53,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:31:53,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:31:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2024-12-06 01:31:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-12-06 01:31:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:31:54,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:54,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:54,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:54,468 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:54,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:31:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:54,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:54,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:31:54,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:31:54,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:31:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2024-12-06 01:31:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2024-12-06 01:31:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:31:54,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:54,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:54,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:31:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:55,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:55,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:31:55,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:31:55,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:31:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2024-12-06 01:31:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2024-12-06 01:31:55,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:31:55,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:55,314 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:31:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:55,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:55,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:31:55,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:31:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:31:56,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 01:32:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2024-12-06 01:32:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2024-12-06 01:32:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:32:04,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:04,535 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:04,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:32:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:04,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:04,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:32:04,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:04,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:32:06,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2024-12-06 01:32:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2024-12-06 01:32:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:32:06,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:06,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:06,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:06,576 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:06,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:32:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:06,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:06,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:32:06,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:06,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:32:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2024-12-06 01:32:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-12-06 01:32:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:32:07,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:07,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:07,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:07,599 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:07,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:32:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:07,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:07,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:32:07,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:32:07,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:32:10,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:32:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2024-12-06 01:32:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2024-12-06 01:32:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:32:10,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:10,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:10,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:10,245 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:10,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:32:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:10,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:10,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:32:10,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:32:10,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:32:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 45 transitions. [2024-12-06 01:32:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2024-12-06 01:32:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:32:12,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:12,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:12,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:12,282 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:12,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:32:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:12,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:12,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:32:12,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:32:12,434 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 01:32:12,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:32:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 44 transitions. [2024-12-06 01:32:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2024-12-06 01:32:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:32:12,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:12,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:12,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:12,447 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:12,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:32:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:12,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:12,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:32:12,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:32:13,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:32:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:32:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 55 transitions. [2024-12-06 01:32:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-12-06 01:32:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:32:14,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:32:14,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:32:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:32:14,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:32:14,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:32:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:14,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:32:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:32:14,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:32:14,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:33:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:33:51,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:37:27,236 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:39:21,272 WARN L286 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:39:22,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:39:24,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:39:27,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:21,176 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:43:23,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:24,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:26,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:44:19,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:44:23,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:44:26,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:44:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 64 transitions. [2024-12-06 01:44:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-12-06 01:44:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:44:26,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:44:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:44:26,499 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:44:26,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:44:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:26,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:44:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:26,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:44:26,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:45:40,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33f1bfc8-5580-4c79-aae5-e4a035d6994d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0