./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/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_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/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_5fd91d7d-7687-4171-ae64-6a99e4b04400/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 7890c23c10ec8ec7c90a7fd60cc6528379567eebc90a6016927e1bc9b6376553 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:28:31,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:28:31,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:28:31,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:28:31,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:28:31,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:28:31,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:28:31,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:28:31,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:28:31,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:28:31,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:28:31,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:28:31,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:28:31,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:28:31,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:28:31,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:28:31,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:28:31,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:28:31,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:28:31,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:28:31,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:28:31,965 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:28:31,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:28:31,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:28:31,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:28:31,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:28:31,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:28:31,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:28:31,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:28:31,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:28:31,968 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:28:31,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:28:31,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:28:31,969 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_5fd91d7d-7687-4171-ae64-6a99e4b04400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7890c23c10ec8ec7c90a7fd60cc6528379567eebc90a6016927e1bc9b6376553 [2023-12-02 21:28:32,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:28:32,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:28:32,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:28:32,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:28:32,201 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:28:32,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i [2023-12-02 21:28:34,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:28:35,183 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:28:35,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i [2023-12-02 21:28:35,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/f0874e130/e1d032b228b444bd9674eab4ca8959b5/FLAG10d14034b [2023-12-02 21:28:35,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/f0874e130/e1d032b228b444bd9674eab4ca8959b5 [2023-12-02 21:28:35,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:28:35,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:28:35,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:28:35,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:28:35,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:28:35,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:35" (1/1) ... [2023-12-02 21:28:35,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6130f4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:35, skipping insertion in model container [2023-12-02 21:28:35,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:35" (1/1) ... [2023-12-02 21:28:35,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:28:36,138 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) [2023-12-02 21:28:36,141 INFO L158 Benchmark]: Toolchain (without parser) took 912.86ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 100.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:28:36,142 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:28:36,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.90ms. Allocated memory is still 163.6MB. Free memory was 120.9MB in the beginning and 100.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:28:36,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.90ms. Allocated memory is still 163.6MB. Free memory was 120.9MB in the beginning and 100.9MB in the end (delta: 20.0MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/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_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/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_5fd91d7d-7687-4171-ae64-6a99e4b04400/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 7890c23c10ec8ec7c90a7fd60cc6528379567eebc90a6016927e1bc9b6376553 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:28:37,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:28:37,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:28:37,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:28:37,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:28:37,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:28:37,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:28:37,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:28:37,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:28:37,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:28:37,962 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:28:37,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:28:37,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:28:37,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:28:37,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:28:37,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:28:37,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:28:37,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:28:37,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:28:37,967 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:28:37,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:28:37,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:28:37,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:28:37,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:28:37,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:28:37,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:28:37,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:28:37,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:28:37,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:28:37,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:28:37,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:28:37,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:28:37,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:28:37,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:28:37,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:28:37,974 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:28:37,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:28:37,974 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_5fd91d7d-7687-4171-ae64-6a99e4b04400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7890c23c10ec8ec7c90a7fd60cc6528379567eebc90a6016927e1bc9b6376553 [2023-12-02 21:28:38,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:28:38,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:28:38,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:28:38,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:28:38,287 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:28:38,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i [2023-12-02 21:28:41,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:28:41,415 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:28:41,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i [2023-12-02 21:28:41,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/7b49958c2/ba5f1023e149463ea6a4ad45eae1e834/FLAG5ff08422b [2023-12-02 21:28:41,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/data/7b49958c2/ba5f1023e149463ea6a4ad45eae1e834 [2023-12-02 21:28:41,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:28:41,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:28:41,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:28:41,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:28:41,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:28:41,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:41" (1/1) ... [2023-12-02 21:28:41,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f5b016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:41, skipping insertion in model container [2023-12-02 21:28:41,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:28:41" (1/1) ... [2023-12-02 21:28:41,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:28:42,303 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_5fd91d7d-7687-4171-ae64-6a99e4b04400/sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i[71451,71464] [2023-12-02 21:28:42,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:28:42,570 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:28:42,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:28:42,613 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i[71451,71464] [2023-12-02 21:28:42,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:28:42,729 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:28:42,762 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_5fd91d7d-7687-4171-ae64-6a99e4b04400/sv-benchmarks/c/neural-networks/poly_16_16_thresh_5_unsafe.c-amalgamation.i[71451,71464] [2023-12-02 21:28:42,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:28:43,075 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:28:43,075 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:28:43,075 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:28:43,075 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:28:43,083 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:28:43,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43 WrapperNode [2023-12-02 21:28:43,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:28:43,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:28:43,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:28:43,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:28:43,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,231 INFO L138 Inliner]: procedures = 779, calls = 724, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1303 [2023-12-02 21:28:43,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:28:43,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:28:43,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:28:43,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:28:43,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:28:43,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:28:43,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:28:43,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:28:43,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:28:43" (1/1) ... [2023-12-02 21:28:43,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:28:43,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:28:43,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:28:43,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:28:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:28:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 21:28:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:28:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:28:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:28:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:28:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 21:28:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 21:28:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:28:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:28:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 21:28:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 21:28:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 21:28:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 21:28:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:28:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:28:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 21:28:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 21:28:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:28:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 21:28:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 21:28:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:28:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:28:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 21:28:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 21:28:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 21:28:43,664 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:28:43,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:29:28,256 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:29:29,455 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:29:29,455 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 21:29:29,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:29 BoogieIcfgContainer [2023-12-02 21:29:29,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:29:29,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:29:29,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:29:29,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:29:29,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:29:29" (1/1) ... [2023-12-02 21:29:29,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:29:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2023-12-02 21:29:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2023-12-02 21:29:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:29:29,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:29,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:29,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:29,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:29,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:29:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:37,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:29:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:40,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:29:40,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 21:29:41,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:29:52,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:54,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:58,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 210 transitions. [2023-12-02 21:29:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2023-12-02 21:29:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:29:58,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:58,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:29:58,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:29:58,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:29:58,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:30:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:08,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:30:08,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:30:08,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:30:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 126 states and 233 transitions. [2023-12-02 21:30:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2023-12-02 21:30:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:30:09,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:09,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:09,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:09,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:30:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:17,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:20,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 2604 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:30:20,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 21:30:20,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:30:21,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 127 states and 235 transitions. [2023-12-02 21:30:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2023-12-02 21:30:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:30:22,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:22,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:22,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:22,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:22,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:30:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:29,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:32,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:30:32,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:30:33,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:30:35,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 262 transitions. [2023-12-02 21:30:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 262 transitions. [2023-12-02 21:30:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:30:38,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:38,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:38,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:38,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:38,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:30:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:45,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:30:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:48,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 2603 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:30:48,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:30:49,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:30:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 142 states and 289 transitions. [2023-12-02 21:30:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 289 transitions. [2023-12-02 21:30:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:30:51,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:51,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:30:51,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:30:51,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:30:51,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:30:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:58,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:01,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:01,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:31:01,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:31:05,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:08,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:10,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 143 states and 290 transitions. [2023-12-02 21:31:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 290 transitions. [2023-12-02 21:31:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:31:11,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:11,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:11,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:11,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:11,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:31:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 2618 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:21,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 21:31:22,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:31:24,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:25,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:27,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:28,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 152 states and 323 transitions. [2023-12-02 21:31:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 323 transitions. [2023-12-02 21:31:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:31:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:31,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:31,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:31,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:31,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:31:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:42,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:42,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 21:31:43,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:31:44,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 159 states and 354 transitions. [2023-12-02 21:31:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 354 transitions. [2023-12-02 21:31:47,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:31:47,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:47,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:47,268 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:47,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:31:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:55,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:31:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:57,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:31:59,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:32:11,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:25,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:27,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:32:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:32:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:32:29,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:29,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:29,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:29,827 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:29,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:32:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:37,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:40,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:32:40,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:32:42,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:32:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:32:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:32:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:32:44,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:44,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:44,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:44,564 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:44,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:32:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:52,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:32:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:55,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:32:55,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:32:56,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:32:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:32:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:32:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:32:56,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:56,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:32:56,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:32:56,327 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:32:56,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:33:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:04,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:06,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:06,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:33:08,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:33:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:33:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:33:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:33:08,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:08,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:08,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:33:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:15,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:18,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:18,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:33:19,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:33:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:33:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:33:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:33:19,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:19,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:19,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:19,936 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:19,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:33:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:27,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:30,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:30,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:33:31,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:33:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:33:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:33:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:33:31,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:31,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:31,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:33:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:39,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:42,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:42,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:33:43,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:33:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:33:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:33:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:33:43,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:43,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:43,744 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:43,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:33:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:52,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:54,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:54,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:33:55,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:33:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:33:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:33:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:33:55,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:55,913 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:55,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:34:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:04,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:07,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:07,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:34:08,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:34:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:34:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:34:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:34:08,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:08,107 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:08,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:34:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:16,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:19,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:19,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:34:20,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:34:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:34:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:34:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:34:20,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:20,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:20,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:20,496 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:20,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:34:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:28,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:31,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:31,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:34:32,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:34:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:34:32,793 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:34:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:34:32,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:32,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:32,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:32,795 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:32,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:34:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:41,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:43,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:43,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:34:45,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:34:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:34:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:34:45,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:45,107 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:34:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:54,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:34:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:57,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:57,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:34:58,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:34:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:34:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:34:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:34:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:58,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:58,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:58,772 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:58,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:35:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:08,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:11,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:11,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:35:12,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:35:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 184 states and 442 transitions. [2023-12-02 21:35:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 442 transitions. [2023-12-02 21:35:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:35:12,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:12,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:12,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:12,436 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:35:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:21,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:24,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:24,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:35:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:35:34,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:35:35,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:35:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 189 states and 458 transitions. [2023-12-02 21:35:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 458 transitions. [2023-12-02 21:35:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:35:38,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:38,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:35:38,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:35:38,098 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:35:38,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:35:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:48,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:35:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:51,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:35:51,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:35:52,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:35:56,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:35:58,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:36:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:36:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:36:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:36:00,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:00,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:00,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:00,375 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:00,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:36:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:09,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:12,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:36:12,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:36:13,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:36:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:36:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:36:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:36:14,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:14,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:14,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:14,262 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:36:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:23,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:26,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:36:26,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:36:27,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:36:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:36:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:36:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:36:27,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:27,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:27,483 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:27,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:36:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:39,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:36:39,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:36:41,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:36:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:36:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:36:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:36:41,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:41,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:41,353 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:41,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:36:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:50,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:53,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:36:53,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:36:54,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:36:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:36:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:36:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:36:54,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:54,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:54,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:54,807 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:54,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:37:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:04,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:07,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:37:07,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:37:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:37:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:37:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:37:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:37:08,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:08,216 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:08,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:37:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:17,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:20,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:37:20,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:37:21,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:37:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:37:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:37:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:37:22,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:22,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:22,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:22,083 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:22,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:37:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:31,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:34,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:37:34,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:37:35,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:37:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:37:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:37:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:37:35,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:35,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:35,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:35,760 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:35,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:37:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:45,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:48,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:37:48,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:37:49,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:37:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:37:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:37:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:37:49,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:49,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:49,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:49,261 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:49,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:37:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:58,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:01,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:01,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:38:02,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:38:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:38:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:38:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:38:02,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:02,718 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:02,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:38:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:12,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:14,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:38:15,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:38:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:38:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:38:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:38:16,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:16,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:16,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:16,020 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:38:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:25,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:28,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:28,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:38:29,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:38:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:38:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:38:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:38:29,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:29,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:29,935 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:29,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:38:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:39,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:42,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:42,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:38:43,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:38:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:38:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:38:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:38:43,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:43,930 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:43,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:38:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:53,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:56,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:56,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:38:57,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:57,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:38:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:38:57,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:38:57,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:57,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:38:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:38:57,739 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:38:57,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:39:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:07,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:09,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:39:09,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:39:11,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:39:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:39:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:39:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:39:11,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:11,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:11,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:11,127 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:11,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:39:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:21,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:23,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:39:23,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:39:24,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:39:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:39:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:39:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:39:25,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:25,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:25,368 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:25,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:39:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:35,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:38,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:39:38,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:39:39,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:39:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:39:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:39:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:39:39,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:39,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:39,904 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:39:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:49,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:52,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:39:52,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:39:54,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:39:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:39:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:39:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:39:54,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:54,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:54,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:54,063 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:40:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:04,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:06,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:06,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:40:08,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:40:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:40:08,145 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:40:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:40:08,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:08,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:08,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:08,146 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:08,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:40:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:17,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:20,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:20,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:40:21,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:40:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:40:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:40:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:40:22,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:22,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:22,245 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:22,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:40:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:31,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:34,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:34,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:40:35,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:40:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:40:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:40:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:40:36,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:36,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:36,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:36,306 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:36,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:40:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:46,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:49,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:40:50,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:40:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:40:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:40:50,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:50,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:50,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:50,534 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:50,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:41:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:00,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:03,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:03,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:41:04,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:41:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:41:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:41:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:41:04,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:04,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:04,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:04,845 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:41:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:15,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:18,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:18,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:41:19,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 21:41:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:41:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:41:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:41:19,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:19,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:19,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:19,552 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:19,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:41:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:29,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:32,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:32,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:41:33,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:41:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:41:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:41:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:41:34,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:34,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:34,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:34,085 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:34,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:41:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:44,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:47,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:41:48,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:41:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:41:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:41:48,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:48,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:48,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:48,270 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:48,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:41:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:59,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:02,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:02,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:42:03,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:42:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:42:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:42:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:42:03,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:03,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:03,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:03,514 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:03,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:42:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:14,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:17,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:42:18,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 21:42:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:42:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:42:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:42:18,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:18,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:18,400 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:18,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:42:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:28,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:31,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:31,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:42:33,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 21:42:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:42:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:42:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:42:33,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:33,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:33,078 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:42:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:46,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:46,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:42:48,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:42:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:42:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:42:48,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:48,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:48,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:48,072 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:48,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 21:42:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:58,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:01,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:01,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:43:03,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 21:43:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 195 states and 470 transitions. [2023-12-02 21:43:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 470 transitions. [2023-12-02 21:43:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:43:03,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:03,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:03,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:03,376 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:03,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fd91d7d-7687-4171-ae64-6a99e4b04400/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process