./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/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_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/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_c2308561-78b5-4b60-a970-a04f90549bb7/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 08a7246d63674f1a770f6e9cc5770eaec44d593aa7b6c335a48c6fe49718dd76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:43:27,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:43:27,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:43:27,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:43:27,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:43:27,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:43:27,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:43:27,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:43:27,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:43:27,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:43:27,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:43:27,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:43:27,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:43:27,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:43:27,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:43:27,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:43:27,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:43:27,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:43:27,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:43:27,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:43:27,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:43:27,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:43:27,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:43:27,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:43:27,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:43:27,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:43:27,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:43:27,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:43:27,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:43:27,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:43:27,382 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:43:27,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:43:27,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:43:27,384 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_c2308561-78b5-4b60-a970-a04f90549bb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a7246d63674f1a770f6e9cc5770eaec44d593aa7b6c335a48c6fe49718dd76 [2023-12-03 00:43:27,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:43:27,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:43:27,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:43:27,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:43:27,642 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:43:27,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i [2023-12-03 00:43:30,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:43:30,610 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:43:30,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i [2023-12-03 00:43:30,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/927e21005/1bd188e531fb4aeb9332bc041279852f/FLAGd13230fe6 [2023-12-03 00:43:30,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/927e21005/1bd188e531fb4aeb9332bc041279852f [2023-12-03 00:43:30,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:43:30,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:43:30,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:43:30,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:43:30,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:43:30,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:30" (1/1) ... [2023-12-03 00:43:30,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf3a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:30, skipping insertion in model container [2023-12-03 00:43:30,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:30" (1/1) ... [2023-12-03 00:43:30,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:43:31,624 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 00:43:31,629 INFO L158 Benchmark]: Toolchain (without parser) took 971.12ms. Allocated memory is still 165.7MB. Free memory was 132.4MB in the beginning and 111.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 00:43:31,629 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:43:31,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.14ms. Allocated memory is still 165.7MB. Free memory was 132.4MB in the beginning and 111.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 00:43:31,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.14ms. Allocated memory is still 165.7MB. Free memory was 132.4MB in the beginning and 111.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/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_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/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_c2308561-78b5-4b60-a970-a04f90549bb7/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 08a7246d63674f1a770f6e9cc5770eaec44d593aa7b6c335a48c6fe49718dd76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:43:33,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:43:33,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:43:33,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:43:33,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:43:33,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:43:33,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:43:33,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:43:33,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:43:33,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:43:33,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:43:33,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:43:33,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:43:33,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:43:33,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:43:33,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:43:33,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:43:33,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:43:33,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:43:33,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:43:33,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:43:33,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:43:33,538 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:43:33,539 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:43:33,539 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:43:33,540 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:33,540 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:43:33,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:43:33,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:43:33,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:43:33,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:43:33,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:43:33,543 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:43:33,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:33,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:43:33,544 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:43:33,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:43:33,544 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_c2308561-78b5-4b60-a970-a04f90549bb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a7246d63674f1a770f6e9cc5770eaec44d593aa7b6c335a48c6fe49718dd76 [2023-12-03 00:43:33,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:43:33,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:43:33,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:43:33,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:43:33,854 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:43:33,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i [2023-12-03 00:43:36,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:43:36,981 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:43:36,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i [2023-12-03 00:43:37,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/1e75544f1/8b993b8b630a4f29a47c72f70b97adf4/FLAGdef580970 [2023-12-03 00:43:37,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/data/1e75544f1/8b993b8b630a4f29a47c72f70b97adf4 [2023-12-03 00:43:37,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:43:37,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:43:37,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:43:37,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:43:37,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:43:37,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:37" (1/1) ... [2023-12-03 00:43:37,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed96efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:37, skipping insertion in model container [2023-12-03 00:43:37,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:43:37" (1/1) ... [2023-12-03 00:43:37,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:43:37,964 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_c2308561-78b5-4b60-a970-a04f90549bb7/sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i[71451,71464] [2023-12-03 00:43:38,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:43:38,276 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:43:38,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:43:38,351 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_c2308561-78b5-4b60-a970-a04f90549bb7/sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i[71451,71464] [2023-12-03 00:43:38,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:43:38,443 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:43:38,510 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_c2308561-78b5-4b60-a970-a04f90549bb7/sv-benchmarks/c/neural-networks/poly_16_16_thresh_2_safe.c-amalgamation.i[71451,71464] [2023-12-03 00:43:38,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:43:38,852 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:43:38,853 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:43:38,853 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:43:38,853 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:43:38,859 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:43:38,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38 WrapperNode [2023-12-03 00:43:38,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:43:38,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:43:38,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:43:38,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:43:38,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:38,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,026 INFO L138 Inliner]: procedures = 779, calls = 724, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1303 [2023-12-03 00:43:39,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:43:39,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:43:39,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:43:39,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:43:39,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:43:39,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:43:39,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:43:39,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:43:39,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:43:38" (1/1) ... [2023-12-03 00:43:39,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:43:39,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:43:39,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:43:39,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:43:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 00:43:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 00:43:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:43:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:43:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:43:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:43:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:43:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:43:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:43:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:43:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 00:43:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 00:43:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 00:43:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 00:43:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:43:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:43:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:43:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 00:43:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:43:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 00:43:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 00:43:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 00:43:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:43:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:43:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 00:43:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 00:43:39,435 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:43:39,437 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:44:30,417 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:44:31,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:44:31,804 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 00:44:31,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:31 BoogieIcfgContainer [2023-12-03 00:44:31,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:44:31,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:44:31,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:44:31,817 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:44:31,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:31" (1/1) ... [2023-12-03 00:44:31,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:44:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2023-12-03 00:44:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2023-12-03 00:44:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:44:31,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:31,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:44:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:40,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:44,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:44,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 00:44:44,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:44:55,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:00,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:03,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 210 transitions. [2023-12-03 00:45:03,812 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2023-12-03 00:45:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:45:03,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:03,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:03,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:45:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:11,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:14,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:14,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:45:14,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:45:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 126 states and 233 transitions. [2023-12-03 00:45:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2023-12-03 00:45:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:45:16,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:16,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:16,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:16,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:16,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:45:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:23,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:26,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 2604 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:26,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-03 00:45:27,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:45:28,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 127 states and 235 transitions. [2023-12-03 00:45:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2023-12-03 00:45:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:45:29,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:29,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:29,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:29,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:45:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:36,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:39,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:45:40,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:45:43,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 262 transitions. [2023-12-03 00:45:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 262 transitions. [2023-12-03 00:45:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:45:44,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:44,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:44,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:44,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:44,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:45:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:52,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:45:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:55,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 2603 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:55,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:45:56,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:45:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 142 states and 289 transitions. [2023-12-03 00:45:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 289 transitions. [2023-12-03 00:45:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:45:58,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:58,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:45:58,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:45:58,206 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:45:58,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:46:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:06,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:09,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:09,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:46:09,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:46:11,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:15,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 143 states and 290 transitions. [2023-12-03 00:46:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 290 transitions. [2023-12-03 00:46:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:17,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:17,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:17,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:17,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:17,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:46:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:25,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:28,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:28,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:46:29,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:30,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:32,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 152 states and 323 transitions. [2023-12-03 00:46:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 323 transitions. [2023-12-03 00:46:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:46:37,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:37,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:46:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:45,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:48,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 2608 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:46:48,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 00:46:49,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:46:51,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:52,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 159 states and 354 transitions. [2023-12-03 00:46:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 354 transitions. [2023-12-03 00:46:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:46:54,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:54,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:54,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:54,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:54,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:47:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:06,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:47:06,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:47:08,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:47:20,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 178 states and 418 transitions. [2023-12-03 00:47:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 418 transitions. [2023-12-03 00:47:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:47:31,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:31,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:31,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:31,935 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:31,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:47:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:40,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:47:43,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:47:44,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 178 states and 418 transitions. [2023-12-03 00:47:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 418 transitions. [2023-12-03 00:47:46,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:47:46,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:46,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:46,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:46,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:46,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:47:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:54,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:57,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:47:57,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 00:47:58,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:48:05,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:48:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:48:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:48:07,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:07,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:07,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:07,864 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:07,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:48:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:16,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:19,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:19,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:48:20,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:48:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:48:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:48:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:48:20,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:20,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:20,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:48:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:28,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:31,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:48:32,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:48:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:48:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:48:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:48:32,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:32,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:32,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:32,945 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:32,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:48:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:41,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:44,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:44,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:48:45,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:48:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:48:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:48:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:48:45,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:45,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:45,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:45,979 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:45,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:48:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:54,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:57,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:57,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:48:58,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:48:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:48:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:48:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:48:58,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:58,956 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:58,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:49:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:07,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:10,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:10,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:49:11,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:49:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:49:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:49:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:49:11,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:11,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:11,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:11,883 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:11,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:49:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:20,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:23,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:23,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:49:24,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:49:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:49:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:49:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:49:24,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:24,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:24,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:24,983 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:24,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:49:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:33,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:36,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:49:37,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:49:37,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:49:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:49:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:49:37,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:37,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:37,905 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:37,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:49:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:46,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:49,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:49,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:49:50,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:49:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:49:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:49:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:49:50,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:50,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:50,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:50,773 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:50,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:49:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:59,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:02,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:02,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:50:03,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:50:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:50:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:50:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:50:03,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:03,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:03,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:03,808 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:03,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:50:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:12,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:15,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:15,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:50:17,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:50:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:50:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:50:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:50:17,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:17,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:17,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:17,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:50:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:25,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:28,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:28,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:50:29,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:50:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:50:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:50:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:50:30,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:30,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:30,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:30,001 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:30,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:50:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:38,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:41,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:42,958 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:50:43,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:50:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 183 states and 435 transitions. [2023-12-03 00:50:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 435 transitions. [2023-12-03 00:50:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:50:43,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:43,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:43,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:43,054 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:43,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:50:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:52,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:54,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:50:54,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 00:50:56,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:51:00,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:03,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:51:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:51:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:51:04,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:04,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:04,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:04,857 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:04,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:51:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:14,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:16,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:16,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:51:18,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:51:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:51:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:51:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:51:18,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:18,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:18,302 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:18,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:51:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:27,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:29,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:29,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 00:51:31,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:51:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:51:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:51:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:51:31,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:31,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:31,603 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:31,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:51:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:40,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:43,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:43,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 00:51:45,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:51:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:51:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:51:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:51:45,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:45,379 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:45,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:51:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:54,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:57,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:51:57,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:51:58,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:51:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:51:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:51:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:51:58,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:58,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:58,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:58,924 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:58,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:52:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:08,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:11,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:52:11,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:52:12,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:52:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:52:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:52:12,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:12,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:12,583 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:12,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:52:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:22,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:24,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:52:24,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:52:26,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:52:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:52:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:52:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:52:26,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:26,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:26,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:26,280 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:26,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:52:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:35,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:52:38,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:52:40,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:52:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:52:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:52:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:52:40,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:40,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:40,204 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:40,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:52:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:49,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:52,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:52:52,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:52:53,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:52:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:52:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:52:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:52:53,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:53,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:53,940 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:53,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:53:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:03,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:06,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:06,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:53:07,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:53:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:53:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:53:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:53:07,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:07,503 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:07,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:53:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:17,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:19,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:19,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:53:21,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:53:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:53:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:53:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:53:21,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:21,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:21,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:21,336 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:21,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:53:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:30,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:33,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:53:35,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:53:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:53:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:53:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:53:35,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:35,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:35,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:35,066 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:35,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:53:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:44,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:47,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:47,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:53:48,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:53:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:53:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:53:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:53:49,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:49,013 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:49,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:53:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:59,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:01,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:01,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:54:03,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:54:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:54:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:54:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:54:03,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:03,245 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:03,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:54:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:13,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:16,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:16,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:54:17,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:54:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:54:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:54:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:54:17,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:17,552 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:17,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:54:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:27,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:30,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:30,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:54:31,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:54:31,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:54:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:54:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:54:31,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:31,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:31,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:31,728 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:31,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:54:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:41,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:44,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:44,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:54:46,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:54:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:54:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:54:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:54:46,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:46,074 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:46,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:54:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:56,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:58,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:58,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:55:00,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:55:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:55:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:55:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:55:00,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:00,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:00,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:00,479 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:00,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:55:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:10,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:13,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:55:13,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:55:15,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:55:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:55:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:55:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:55:15,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:15,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:15,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:15,170 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:55:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:25,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:28,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:55:28,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:55:29,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:55:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:55:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:55:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:55:29,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:29,591 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:29,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:55:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:40,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:42,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:55:42,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:44,303 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:55:44,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:55:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:55:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:55:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:55:44,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:44,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:44,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:44,406 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:44,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:55:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:54,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:57,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:55:57,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:55:59,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:55:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:55:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:55:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:55:59,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:59,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:59,097 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:59,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:56:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:09,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:12,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:56:12,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:56:13,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:56:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:56:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:56:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:56:13,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:13,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:13,874 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:13,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:56:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:24,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:27,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:56:27,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:56:28,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:56:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:56:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:56:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:56:28,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:28,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:28,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:28,706 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:28,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:56:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:39,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:42,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:56:42,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:56:43,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:56:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:56:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:56:43,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:43,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:43,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:43,458 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:43,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:56:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:53,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:56,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:56:56,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:56:58,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:56:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:56:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:56:58,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:58,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:58,194 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:58,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:57:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:08,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:11,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:11,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:57:13,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:57:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:57:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:57:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:57:13,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:13,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:13,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:13,364 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:13,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:57:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:24,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:26,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:26,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:57:28,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:57:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:57:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:57:28,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:57:28,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:28,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:28,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:28,286 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:28,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:57:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:39,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:42,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:42,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:57:43,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 00:57:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:57:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:57:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:57:43,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:43,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:43,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:43,488 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:43,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:57:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:54,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:57,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:57:57,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:57:58,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 00:57:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 189 states and 447 transitions. [2023-12-03 00:57:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 447 transitions. [2023-12-03 00:57:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:57:58,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:58,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:58,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:58,756 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:58,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2308561-78b5-4b60-a970-a04f90549bb7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process