./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.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_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/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_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/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_3e197d10-b911-4b16-bc08-65aa5bd2e558/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 d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:44:20,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:44:20,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:44:20,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:44:20,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:44:20,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:44:20,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:44:20,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:44:20,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:44:20,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:44:20,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:44:20,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:44:20,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:44:20,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:44:20,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:44:20,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:44:20,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:44:20,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:44:20,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:44:20,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:44:20,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:44:20,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:44:20,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:44:20,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:44:20,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:44:20,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:44:20,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:20,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:44:20,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:44:20,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:44:20,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:44:20,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:44:20,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:44:20,998 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 [2023-12-03 03:44:21,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:44:21,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:44:21,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:44:21,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:44:21,251 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:44:21,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-03 03:44:23,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:44:24,335 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:44:24,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-03 03:44:24,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/078d220ce/c73652ad7c0d44218317686475662fab/FLAGf6d6f5f30 [2023-12-03 03:44:24,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/078d220ce/c73652ad7c0d44218317686475662fab [2023-12-03 03:44:24,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:44:24,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:44:24,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:24,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:44:24,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:44:24,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:24" (1/1) ... [2023-12-03 03:44:24,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e911e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24, skipping insertion in model container [2023-12-03 03:44:24,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:24" (1/1) ... [2023-12-03 03:44:24,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:44:25,335 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:44:25,339 INFO L158 Benchmark]: Toolchain (without parser) took 954.61ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 80.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:44:25,339 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:25,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 952.31ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 80.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:44:25,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 952.31ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 80.1MB in the end (delta: 20.3MB). 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/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_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/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_3e197d10-b911-4b16-bc08-65aa5bd2e558/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 d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:44:27,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:44:27,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:44:27,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:44:27,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:44:27,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:44:27,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:44:27,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:44:27,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:44:27,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:44:27,156 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:44:27,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:44:27,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:44:27,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:44:27,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:44:27,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:44:27,160 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:44:27,160 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:44:27,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:44:27,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:44:27,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:44:27,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:44:27,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:44:27,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:44:27,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:44:27,164 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:27,164 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:44:27,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:44:27,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:27,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:44:27,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:44:27,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:44:27,166 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:44:27,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:27,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:44:27,167 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:44:27,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:44:27,168 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 [2023-12-03 03:44:27,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:44:27,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:44:27,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:44:27,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:44:27,465 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:44:27,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-03 03:44:30,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:44:30,561 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:44:30,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-03 03:44:30,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/e21177400/9e5835b4f50c4090b13881c740284ac2/FLAG0ad79a842 [2023-12-03 03:44:30,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/data/e21177400/9e5835b4f50c4090b13881c740284ac2 [2023-12-03 03:44:30,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:44:30,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:44:30,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:30,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:44:30,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:44:30,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:30" (1/1) ... [2023-12-03 03:44:30,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15218d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:30, skipping insertion in model container [2023-12-03 03:44:30,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:30" (1/1) ... [2023-12-03 03:44:30,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:44:31,487 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i[71465,71478] [2023-12-03 03:44:31,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:31,792 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:44:31,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:44:31,841 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i[71465,71478] [2023-12-03 03:44:31,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:31,986 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:44:32,018 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_3e197d10-b911-4b16-bc08-65aa5bd2e558/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i[71465,71478] [2023-12-03 03:44:32,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:44:32,312 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:32,312 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:32,312 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:32,313 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:44:32,318 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:44:32,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32 WrapperNode [2023-12-03 03:44:32,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:44:32,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:32,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:44:32,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:44:32,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,502 INFO L138 Inliner]: procedures = 779, calls = 1037, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1625 [2023-12-03 03:44:32,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:44:32,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:44:32,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:44:32,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:44:32,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:44:32,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:44:32,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:44:32,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:44:32,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:32" (1/1) ... [2023-12-03 03:44:32,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:44:32,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:44:32,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 03:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 03:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:44:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:44:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:44:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:44:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 03:44:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 03:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:44:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:44:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 03:44:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 03:44:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:44:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 03:44:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 03:44:32,921 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:44:32,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:45:18,005 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:45:20,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:45:20,497 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 03:45:20,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:20 BoogieIcfgContainer [2023-12-03 03:45:20,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:45:20,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:45:20,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:45:20,507 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:45:20,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:20" (1/1) ... [2023-12-03 03:45:20,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:45:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2023-12-03 03:45:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2023-12-03 03:45:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 03:45:20,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:20,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:20,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:20,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:45:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:37,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:45,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 4249 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:45,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:46,548 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 03:45:46,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:58,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:02,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:04,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:07,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2023-12-03 03:46:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2023-12-03 03:46:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 03:46:07,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:07,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:07,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:07,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:46:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:23,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 4251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:30,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 03:46:31,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:46:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 236 transitions. [2023-12-03 03:46:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2023-12-03 03:46:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:46:33,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:33,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:33,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:33,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:33,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:46:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:56,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 4264 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:56,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-03 03:46:56,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:46:59,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 238 transitions. [2023-12-03 03:46:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2023-12-03 03:46:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 03:46:59,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:59,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:59,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:59,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:47:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:15,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:22,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 4261 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:22,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 03:47:23,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:47:25,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 265 transitions. [2023-12-03 03:47:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2023-12-03 03:47:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 03:47:28,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:28,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:28,282 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:28,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:47:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:43,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:51,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:51,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-03 03:47:52,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:47:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 292 transitions. [2023-12-03 03:47:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 292 transitions. [2023-12-03 03:47:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:47:55,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:55,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:55,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:55,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:55,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:48:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:12,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:19,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 4289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:19,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 03:48:20,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:48:25,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:48:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 293 transitions. [2023-12-03 03:48:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 293 transitions. [2023-12-03 03:48:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 03:48:27,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:27,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:27,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:27,004 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:27,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:48:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:44,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:52,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 4286 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:52,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 03:48:54,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:48:56,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:48:57,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:00,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 153 states and 326 transitions. [2023-12-03 03:49:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 326 transitions. [2023-12-03 03:49:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 03:49:04,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:04,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:04,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:04,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:04,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:49:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:21,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:28,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 4269 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:49:28,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 03:49:29,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:49:32,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 357 transitions. [2023-12-03 03:49:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 357 transitions. [2023-12-03 03:49:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 03:49:37,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:37,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:37,047 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:37,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:49:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:54,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:01,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 4272 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:50:01,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:04,699 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 03:50:04,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:50:18,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:22,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:39,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 185 states and 445 transitions. [2023-12-03 03:50:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2023-12-03 03:50:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:50:43,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:43,623 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:43,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:51:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:00,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:51:07,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:11,174 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 03:51:11,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:51:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 185 states and 445 transitions. [2023-12-03 03:51:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2023-12-03 03:51:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:51:15,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:15,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:15,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:15,131 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:15,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:51:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:32,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:39,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:51:39,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:41,272 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 03:51:41,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:51:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 185 states and 445 transitions. [2023-12-03 03:51:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2023-12-03 03:51:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:51:41,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:41,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:41,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:51:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:58,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:05,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:52:05,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:07,393 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 03:52:07,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:52:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 185 states and 445 transitions. [2023-12-03 03:52:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2023-12-03 03:52:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 03:52:07,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:07,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:07,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:07,494 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:07,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:52:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:24,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:32,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 4261 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:52:32,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:34,105 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 03:52:34,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:52:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:52:41,279 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:52:41,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:52:41,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:41,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:41,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:41,281 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:41,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:52:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:58,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:53:05,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:07,867 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 03:53:07,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:53:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:53:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:53:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:53:12,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:12,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:12,642 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:12,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:53:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:29,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:37,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:53:37,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:39,178 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 03:53:39,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:53:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:53:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:53:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:53:40,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:40,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:40,404 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:40,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:53:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:57,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:05,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:54:05,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:07,309 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 03:54:07,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:54:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:54:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:54:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:54:08,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:08,568 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:08,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:54:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:26,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:33,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:54:33,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:35,426 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 03:54:35,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:54:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:54:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:54:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:54:36,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:36,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:36,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:36,646 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:36,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:54:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:54,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:02,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:55:02,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:04,274 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 03:55:04,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:55:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:55:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:55:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:55:05,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:05,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:05,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:05,595 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:05,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:55:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:23,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:30,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:55:30,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:32,185 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 03:55:32,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:55:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:55:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:55:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:55:33,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:33,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:33,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:33,405 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:33,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:55:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:51,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:59,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:55:59,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:02,070 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 03:56:02,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:56:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:56:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:56:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:56:03,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:03,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:03,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:03,458 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:03,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:56:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:23,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:31,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:56:31,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:34,144 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 03:56:34,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 03:56:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:56:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:56:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:56:35,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:35,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:35,561 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:35,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:56:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:55,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:02,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:57:02,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:05,012 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 03:57:05,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:57:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:57:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:57:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:57:06,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:06,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:06,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:06,264 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:06,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:57:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:25,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:33,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:57:33,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:35,821 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 03:57:35,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:57:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:57:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:57:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:57:37,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:37,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:37,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:37,082 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:37,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:57:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:57,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:05,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:58:05,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:07,978 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 03:58:08,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:58:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:58:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:58:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:58:09,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:09,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:09,255 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:09,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:58:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:28,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:36,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:58:36,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:38,721 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 03:58:38,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:58:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 192 states and 462 transitions. [2023-12-03 03:58:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 462 transitions. [2023-12-03 03:58:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 03:58:40,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:40,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:40,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:40,025 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:40,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e197d10-b911-4b16-bc08-65aa5bd2e558/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:59:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:00,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat