./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/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_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/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_d04f7a93-9171-47cd-9890-c655cc274dd2/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 dc2ec1b0948642cc0812f9243941bb0af0f8a0ce726e636b78d2ca93075c1b54 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:11:15,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:11:15,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:11:15,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:11:15,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:11:15,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:11:15,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:11:15,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:11:15,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:11:15,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:11:15,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:11:15,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:11:15,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:11:15,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:11:15,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:11:15,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:11:15,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:11:15,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:11:15,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:11:15,979 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:11:15,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:11:15,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:11:15,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:11:15,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:11:15,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:11:15,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:11:15,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:11:15,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:11:15,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:11:15,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:11:15,984 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:11:15,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:11:15,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:11:15,985 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_d04f7a93-9171-47cd-9890-c655cc274dd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc2ec1b0948642cc0812f9243941bb0af0f8a0ce726e636b78d2ca93075c1b54 [2023-12-03 02:11:16,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:11:16,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:11:16,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:11:16,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:11:16,241 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:11:16,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2023-12-03 02:11:18,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:11:19,236 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:11:19,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2023-12-03 02:11:19,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/1e64d4534/f8cdbc4e50e64ac8b4feef5c5789c6d5/FLAG097398a1e [2023-12-03 02:11:19,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/1e64d4534/f8cdbc4e50e64ac8b4feef5c5789c6d5 [2023-12-03 02:11:19,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:11:19,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:11:19,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:11:19,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:11:19,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:11:19,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:19" (1/1) ... [2023-12-03 02:11:19,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473e810c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:19, skipping insertion in model container [2023-12-03 02:11:19,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:19" (1/1) ... [2023-12-03 02:11:19,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:11:20,138 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) [2023-12-03 02:11:20,142 INFO L158 Benchmark]: Toolchain (without parser) took 861.05ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 99.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:11:20,143 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:11:20,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 858.98ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 99.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:11:20,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 858.98ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 99.9MB in the end (delta: 21.0MB). 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_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/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_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/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_d04f7a93-9171-47cd-9890-c655cc274dd2/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 dc2ec1b0948642cc0812f9243941bb0af0f8a0ce726e636b78d2ca93075c1b54 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:11:21,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:11:21,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:11:21,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:11:21,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:11:21,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:11:21,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:11:21,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:11:21,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:11:21,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:11:21,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:11:21,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:11:21,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:11:22,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:11:22,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:11:22,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:11:22,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:11:22,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:11:22,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:11:22,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:11:22,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:11:22,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:11:22,009 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:11:22,009 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:11:22,010 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:11:22,010 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:22,010 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:11:22,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:11:22,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:11:22,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:11:22,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:11:22,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:11:22,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:11:22,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:22,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:11:22,013 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:11:22,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:11:22,014 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_d04f7a93-9171-47cd-9890-c655cc274dd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc2ec1b0948642cc0812f9243941bb0af0f8a0ce726e636b78d2ca93075c1b54 [2023-12-03 02:11:22,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:11:22,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:11:22,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:11:22,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:11:22,322 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:11:22,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2023-12-03 02:11:25,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:11:25,366 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:11:25,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i [2023-12-03 02:11:25,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/3451828b0/f6abd5fce76f4bd8a944f2b8df9c492c/FLAGf789a1ea4 [2023-12-03 02:11:25,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/data/3451828b0/f6abd5fce76f4bd8a944f2b8df9c492c [2023-12-03 02:11:25,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:11:25,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:11:25,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:11:25,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:11:25,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:11:25,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:25" (1/1) ... [2023-12-03 02:11:25,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8afe1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:25, skipping insertion in model container [2023-12-03 02:11:25,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:11:25" (1/1) ... [2023-12-03 02:11:25,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:11:26,323 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_d04f7a93-9171-47cd-9890-c655cc274dd2/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i[71467,71480] [2023-12-03 02:11:26,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:11:26,588 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:11:26,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:11:26,640 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_d04f7a93-9171-47cd-9890-c655cc274dd2/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i[71467,71480] [2023-12-03 02:11:26,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:11:26,719 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:11:26,782 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_d04f7a93-9171-47cd-9890-c655cc274dd2/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_3_unsafe.c-amalgamation.i[71467,71480] [2023-12-03 02:11:26,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:11:27,088 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:11:27,088 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:11:27,088 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:11:27,089 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:11:27,096 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:11:27,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27 WrapperNode [2023-12-03 02:11:27,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:11:27,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:11:27,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:11:27,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:11:27,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,246 INFO L138 Inliner]: procedures = 779, calls = 642, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1226 [2023-12-03 02:11:27,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:11:27,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:11:27,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:11:27,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:11:27,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:11:27,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:11:27,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:11:27,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:11:27,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:11:27" (1/1) ... [2023-12-03 02:11:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:11:27,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:11:27,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:11:27,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 02:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:11:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 02:11:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 02:11:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:11:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:11:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 02:11:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 02:11:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:11:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:11:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:11:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 02:11:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 02:11:27,658 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:11:27,660 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:12:10,275 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:12:11,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:12:11,193 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 02:12:11,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:11 BoogieIcfgContainer [2023-12-03 02:12:11,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:12:11,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:12:11,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:12:11,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:12:11,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:12:11" (1/1) ... [2023-12-03 02:12:11,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:12:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2023-12-03 02:12:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2023-12-03 02:12:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 02:12:11,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:11,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:11,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:11,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:12:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:16,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:18,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 2222 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:18,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 02:12:18,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:12:28,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:31,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:32,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:34,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2023-12-03 02:12:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2023-12-03 02:12:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 02:12:35,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:35,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:35,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:12:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:39,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:40,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:40,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-03 02:12:41,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:12:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 236 transitions. [2023-12-03 02:12:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2023-12-03 02:12:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 02:12:42,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:42,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:42,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:42,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:42,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:12:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:46,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:47,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 2235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:47,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:12:48,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:12:49,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 238 transitions. [2023-12-03 02:12:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2023-12-03 02:12:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:12:49,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:49,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:49,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:49,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:49,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:12:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:53,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:55,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:12:55,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 02:12:56,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:12:58,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:12:59,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:13:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 265 transitions. [2023-12-03 02:13:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2023-12-03 02:13:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 02:13:01,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:01,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:01,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:01,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:01,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:13:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:05,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:07,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 2235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:07,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:13:07,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:13:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 292 transitions. [2023-12-03 02:13:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 292 transitions. [2023-12-03 02:13:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 02:13:09,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:09,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:09,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:09,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:13:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:14,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:15,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:15,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-03 02:13:16,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:13:22,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:13:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 293 transitions. [2023-12-03 02:13:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 293 transitions. [2023-12-03 02:13:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:13:23,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:23,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:23,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:23,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:23,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:13:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:28,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:30,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 2244 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:30,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 02:13:31,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:13:32,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:13:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 153 states and 326 transitions. [2023-12-03 02:13:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 326 transitions. [2023-12-03 02:13:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:13:38,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:38,350 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:13:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:42,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:44,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:44,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 02:13:45,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:13:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 357 transitions. [2023-12-03 02:13:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 357 transitions. [2023-12-03 02:13:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:13:48,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:48,254 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:13:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:52,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:54,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 2245 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:13:54,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 02:13:56,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:14:07,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:14:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 185 states and 445 transitions. [2023-12-03 02:14:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2023-12-03 02:14:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 02:14:18,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:18,607 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:18,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:14:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:23,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:24,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:24,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 02:14:25,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:14:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:14:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:14:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:14:29,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:29,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:29,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:14:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:34,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:35,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:35,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:14:37,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:14:40,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:14:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:14:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:14:40,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:40,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:40,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:40,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:14:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:45,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:47,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:47,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:14:48,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 02:14:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:14:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:14:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:14:49,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:49,099 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:14:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:53,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:55,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:14:55,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:14:56,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:14:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:14:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:14:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:14:57,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:57,363 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:57,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:15:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:02,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:04,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:04,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:05,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:15:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:05,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:05,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:05,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:05,876 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:05,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:15:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:10,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:12,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:12,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:13,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:15:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:14,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:14,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:14,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:14,653 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:14,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:15:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:19,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:21,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:21,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:22,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:15:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:23,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:23,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:23,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:23,171 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:23,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:15:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:28,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:29,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:29,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:31,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:15:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:31,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:31,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:31,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:31,682 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:31,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:15:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:36,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:38,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:38,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:39,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:15:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:40,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:40,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:40,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:40,323 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:40,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:15:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:45,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:47,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:47,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:48,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:15:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:49,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:49,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:49,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:49,078 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:49,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:15:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:54,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:56,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:15:56,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:15:57,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:15:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:15:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:15:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:15:57,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:57,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:57,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:57,798 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:57,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:16:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:03,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:04,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:04,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:05,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:16:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:06,519 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:06,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:06,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:06,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:06,521 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:06,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:16:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:12,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:14,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:14,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:15,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:16:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:15,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:15,944 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:15,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:16:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:21,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:23,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:23,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:24,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:16:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:24,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:24,925 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:24,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:16:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:30,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:32,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:32,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:33,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:16:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:33,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:33,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:33,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:33,893 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:33,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:16:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:39,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:41,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:41,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:42,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:16:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:43,056 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:43,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:43,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:43,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:43,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:43,059 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:43,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:16:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:48,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:50,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:50,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:16:51,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:16:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:16:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:16:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:16:52,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:52,136 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:52,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:16:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:57,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:59,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:16:59,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:00,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:17:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:01,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:01,103 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:17:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:06,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:08,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:08,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:09,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:17:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:10,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:10,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:10,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:10,402 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:17:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:16,492 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:18,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:18,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:19,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:17:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:19,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:19,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:19,923 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:19,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:17:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:25,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:27,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:27,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:28,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 02:17:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:29,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:29,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:29,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:29,096 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:29,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:17:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:34,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:36,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:36,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:37,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:17:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:38,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:38,464 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:38,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:17:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:44,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:46,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:46,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:17:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:48,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:48,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:48,118 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:48,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:17:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:54,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:55,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:55,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:17:56,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:17:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:17:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:17:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:17:57,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:57,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:57,569 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:18:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:03,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:05,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:05,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:06,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:18:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:07,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:07,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:07,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:07,306 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:07,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:18:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:13,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:14,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:14,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:18:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:16,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:16,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:16,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:16,923 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:16,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:18:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:23,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:24,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:24,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:26,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:18:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:26,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:26,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:26,664 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:26,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:18:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:32,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:34,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:34,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:35,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:18:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:36,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:36,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:36,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:36,374 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:36,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:18:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:42,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:44,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:44,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:45,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:18:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:46,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:46,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:46,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:46,286 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:46,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:18:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:52,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:54,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:18:54,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:18:55,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:18:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:18:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:18:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:18:56,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:56,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:56,032 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:56,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:19:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:02,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:03,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:03,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:05,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 02:19:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:05,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:05,777 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:05,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:19:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:12,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:14,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:14,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:15,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:19:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:16,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:16,106 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:16,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:19:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:22,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:24,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:24,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:25,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:19:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:26,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:26,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:26,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:26,208 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:26,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:19:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:32,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:34,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:34,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:36,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:19:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:36,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:36,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:36,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:36,712 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:19:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:43,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:45,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:45,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:46,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:19:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:47,009 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:47,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:19:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:53,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:19:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:19:55,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:19:55,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:19:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:19:56,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:19:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:19:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:19:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:19:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:19:57,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:19:57,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:19:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:19:57,236 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:19:57,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:20:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:04,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:05,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:05,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:20:07,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:20:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:20:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:20:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:20:07,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:07,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:07,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:07,844 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:07,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:20:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:14,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:16,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:16,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:20:18,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 02:20:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:20:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:20:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:20:18,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:18,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:18,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:18,905 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:18,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:20:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:25,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:27,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:27,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:20:28,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:20:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:20:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:20:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:20:29,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:29,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:29,476 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:29,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:20:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:36,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:37,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:37,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:20:39,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:20:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:20:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:20:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:20:39,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:39,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:39,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:39,842 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:39,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:20:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:46,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:48,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:48,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:20:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:20:49,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:20:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:20:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:20:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:20:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:20:50,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:20:50,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:20:50,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:20:50,161 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:20:50,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:20:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:57,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:20:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:20:58,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:20:58,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:00,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:21:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:00,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:00,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:00,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:00,861 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:00,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:21:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:07,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:09,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:21:09,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:10,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:21:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:11,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:11,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:11,525 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:11,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:21:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:18,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:20,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:21:20,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:21,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:21:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:22,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:22,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:22,332 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:22,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:21:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:29,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:30,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:21:30,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:32,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:21:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:32,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:32,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:32,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:32,789 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:32,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:21:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:39,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:41,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:21:41,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:21:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:43,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:43,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:43,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:43,562 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:43,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:21:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:50,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:21:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:21:52,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:21:52,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:21:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:21:53,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:21:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:21:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:21:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:21:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:21:54,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:21:54,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:54,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:21:54,446 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:21:54,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:22:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:01,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:03,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:03,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:22:04,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:22:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:22:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:22:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:22:05,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:05,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:05,530 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:22:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:12,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:14,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:14,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:22:15,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:22:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:22:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:22:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:22:16,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:16,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:16,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:16,603 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:16,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:22:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:23,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:25,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:22:26,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:22:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:22:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:22:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:22:27,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:27,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:27,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:27,649 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:27,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:22:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:34,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:36,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:36,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:22:37,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:22:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:22:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:22:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:22:38,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:38,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:38,700 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:38,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:22:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:46,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:47,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:47,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:22:49,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:22:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:22:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:22:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:22:49,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:49,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:49,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:49,931 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:49,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:22:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:57,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:58,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:58,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:00,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:23:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:00,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:00,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:00,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:00,920 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:00,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:23:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:08,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:09,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:09,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:11,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:23:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:12,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:12,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:12,071 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:23:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:19,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:21,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:21,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:22,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:23:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:23,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:23,502 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:23,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:23,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:23,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:23,504 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:23,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:23:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:31,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:32,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:32,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:34,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:23:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:34,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:34,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:34,761 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:34,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:23:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:42,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:44,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:44,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:23:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:46,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:46,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:46,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:46,086 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:46,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:23:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:53,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:55,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:55,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:23:57,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:23:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:23:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:23:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:23:57,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:57,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:57,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:57,799 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:57,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:24:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:05,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:07,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:07,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:24:09,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:24:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:24:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:24:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:24:09,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:09,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:09,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:09,729 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:09,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:24:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:17,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:19,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:19,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:24:20,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:24:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:24:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:24:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:24:21,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:21,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:21,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:21,220 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:21,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:24:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:28,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:30,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:30,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:24:31,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:24:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:24:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:24:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:24:32,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:32,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:32,525 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:32,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:24:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:40,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:42,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:42,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:24:43,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:24:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:24:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:24:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:24:44,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:44,147 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:44,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:24:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:52,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:53,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:53,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:24:55,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:24:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:24:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:24:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:24:55,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:55,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:55,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:55,672 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:55,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:25:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:03,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:05,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:05,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:25:06,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:25:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:25:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:25:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:25:07,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:07,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:07,363 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:07,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:25:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:15,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:16,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:16,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:25:18,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:25:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:25:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:25:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:25:18,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:18,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:18,926 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:18,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:25:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:27,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:28,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:28,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:25:30,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:25:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 02:25:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 02:25:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 02:25:30,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:30,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:30,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:30,978 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:30,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04f7a93-9171-47cd-9890-c655cc274dd2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:25:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:39,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported