./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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 d9924c67935cb81f3b479be99e7be9fcef4ab5b22b18fe658c080de4239bad91 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:10:50,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:10:50,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:10:50,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:10:50,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:10:50,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:10:50,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:10:50,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:10:50,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:10:50,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:10:50,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:10:50,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:10:50,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:10:50,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:10:50,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:10:50,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:10:50,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:10:50,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:10:50,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:10:50,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:10:50,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:10:50,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:10:50,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:10:50,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:10:50,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:10:50,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:10:50,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:10:50,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:10:50,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:10:50,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:10:50,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:10:50,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:10:50,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:10:50,122 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9924c67935cb81f3b479be99e7be9fcef4ab5b22b18fe658c080de4239bad91 [2023-12-03 03:10:50,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:10:50,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:10:50,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:10:50,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:10:50,364 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:10:50,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:10:53,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:10:53,444 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:10:53,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:10:53,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/0dd80c4d1/3140be3d6b4849b0ba4bcfad7fd07480/FLAG56f1d08ec [2023-12-03 03:10:53,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/0dd80c4d1/3140be3d6b4849b0ba4bcfad7fd07480 [2023-12-03 03:10:53,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:10:53,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:10:53,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:10:53,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:10:53,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:10:53,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:53" (1/1) ... [2023-12-03 03:10:53,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf7d2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:53, skipping insertion in model container [2023-12-03 03:10:53,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:53" (1/1) ... [2023-12-03 03:10:53,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:10:54,389 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 03:10:54,394 INFO L158 Benchmark]: Toolchain (without parser) took 902.52ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 94.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:10:54,395 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:10:54,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.19ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 94.7MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:10:54,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.19ms. Allocated memory is still 157.3MB. Free memory was 114.9MB in the beginning and 94.7MB 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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 d9924c67935cb81f3b479be99e7be9fcef4ab5b22b18fe658c080de4239bad91 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:10:56,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:10:56,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:10:56,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:10:56,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:10:56,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:10:56,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:10:56,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:10:56,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:10:56,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:10:56,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:10:56,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:10:56,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:10:56,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:10:56,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:10:56,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:10:56,207 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:10:56,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:10:56,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:10:56,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:10:56,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:10:56,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:10:56,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:10:56,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:10:56,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:10:56,214 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:56,215 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:10:56,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:10:56,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:10:56,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:10:56,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:10:56,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:10:56,217 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:10:56,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:10:56,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:10:56,217 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:10:56,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:10:56,218 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9924c67935cb81f3b479be99e7be9fcef4ab5b22b18fe658c080de4239bad91 [2023-12-03 03:10:56,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:10:56,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:10:56,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:10:56,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:10:56,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:10:56,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:10:59,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:10:59,675 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:10:59,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i [2023-12-03 03:10:59,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/d418908b6/b325281488c344dc8663f1c82781f5c6/FLAGb3969e195 [2023-12-03 03:10:59,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/data/d418908b6/b325281488c344dc8663f1c82781f5c6 [2023-12-03 03:10:59,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:10:59,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:10:59,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:10:59,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:10:59,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:10:59,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:59" (1/1) ... [2023-12-03 03:10:59,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5670b103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:10:59, skipping insertion in model container [2023-12-03 03:10:59,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:10:59" (1/1) ... [2023-12-03 03:10:59,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:11:00,598 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:11:00,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:11:00,959 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:11:00,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:11:01,011 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:11:01,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:11:01,128 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:11:01,167 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_85a8b9ff-703d-4db5-bec2-c864ebf65faf/sv-benchmarks/c/neural-networks/poly_256_thresh_3_unsafe.c-amalgamation.i[71457,71470] [2023-12-03 03:11:01,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:11:01,521 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:11:01,521 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:11:01,521 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:11:01,521 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:11:01,527 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:11:01,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01 WrapperNode [2023-12-03 03:11:01,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:11:01,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:11:01,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:11:01,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:11:01,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,712 INFO L138 Inliner]: procedures = 779, calls = 1131, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1701 [2023-12-03 03:11:01,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:11:01,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:11:01,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:11:01,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:11:01,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:11:01,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:11:01,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:11:01,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:11:01,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:11:01" (1/1) ... [2023-12-03 03:11:01,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:11:01,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:11:01,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:11:01,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:11:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 03:11:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 03:11:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:11:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:11:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:11:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:11:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:11:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:11:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:11:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:11:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 03:11:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 03:11:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:11:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:11:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 03:11:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 03:11:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 03:11:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:11:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:11:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 03:11:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 03:11:02,173 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:11:02,175 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:11:52,840 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:11:54,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:11:54,858 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 03:11:54,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:11:54 BoogieIcfgContainer [2023-12-03 03:11:54,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:11:54,860 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:11:54,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:11:54,868 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:11:54,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:11:54" (1/1) ... [2023-12-03 03:11:54,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:11:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-03 03:11:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-03 03:11:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:11:54,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:54,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:11:54,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:11:54,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:11:54,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:12:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:12,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:12:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:19,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 4541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:12:19,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:12:20,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:12:27,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:28,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:31,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:32,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:36,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-03 03:12:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-03 03:12:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:12:36,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:36,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:12:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:12:36,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:12:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:12:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:53,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:12:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:59,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:12:59,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:13:00,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:13:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-03 03:13:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-03 03:13:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 03:13:02,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:02,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:02,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:13:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:19,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:25,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:13:25,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:13:26,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:13:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-03 03:13:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-03 03:13:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:13:26,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:26,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:26,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:26,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:26,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:13:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:44,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:13:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:50,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 4545 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:13:50,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:13:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:13:51,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:13:53,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:13:55,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:13:58,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-03 03:13:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-03 03:13:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:13:58,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:58,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:13:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:13:58,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:13:58,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:14:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:15,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:20,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 4571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:14:20,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:14:21,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:14:26,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:14:32,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:14:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 135 states and 260 transitions. [2023-12-03 03:14:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2023-12-03 03:14:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:14:32,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:32,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:32,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:32,551 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:32,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:14:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:49,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:14:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:55,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 4549 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:14:55,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:14:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:14:56,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:14:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-03 03:14:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-03 03:14:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:14:59,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:59,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:14:59,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:14:59,705 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:14:59,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:15:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:16,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:22,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 4552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:15:22,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:24,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:15:26,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:27,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-03 03:15:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-03 03:15:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:15:34,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:34,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:15:34,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:15:34,115 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:15:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:15:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:51,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:15:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:57,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 4546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:15:57,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:58,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:16:01,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:07,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:11,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-03 03:16:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-03 03:16:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:16:11,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:11,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:16:11,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:16:11,366 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:16:11,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:16:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:28,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:16:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:34,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 4547 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:16:34,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:16:36,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:16:44,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:49,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:06,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:08,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:17:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:17:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:17:11,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:11,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:11,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:11,608 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:11,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:17:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:29,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:17:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:35,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:17:35,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:17:37,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:17:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:41,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:17:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:17:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:17:41,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:41,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:17:41,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:17:41,752 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:17:41,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:17:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:59,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:18:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:05,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:18:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:18:06,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:18:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:18:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:18:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:18:06,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:06,879 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:06,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:18:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:24,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:18:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:30,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:18:30,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:18:32,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 03:18:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:18:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:18:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:18:32,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:32,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:32,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:32,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:18:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:50,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:18:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:56,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:18:56,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:18:57,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:18:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:18:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:18:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:18:57,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:18:57,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:18:57,777 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:18:57,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:19:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:15,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:19:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:21,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:19:21,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:19:23,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 03:19:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:19:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:19:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:19:23,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:19:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:19:23,117 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:19:23,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:19:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:41,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:19:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:47,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:19:47,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:19:48,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:19:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:19:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:19:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:19:48,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:48,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:19:48,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:19:48,573 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:19:48,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:20:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:07,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:13,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:13,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:20:15,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:20:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:20:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:20:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:20:15,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:15,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:15,273 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:15,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:20:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:34,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:40,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:40,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:20:41,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 03:20:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:20:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:20:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:20:41,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:41,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:41,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:41,706 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:41,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:21:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:00,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:06,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:06,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:21:07,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:21:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:21:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:21:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:21:07,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:07,838 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:07,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:21:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:26,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:32,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:32,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:21:34,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:21:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:21:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:21:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:21:34,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:34,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:34,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:21:34,069 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:21:34,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:21:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:52,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:21:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:58,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:58,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:22:00,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 03:22:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:22:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:22:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:22:00,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:00,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:00,289 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:00,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:22:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:20,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:26,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:26,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:22:27,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:22:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:22:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:22:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:22:27,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:27,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:27,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:27,802 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:22:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:48,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:55,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:55,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:22:56,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:22:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:22:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:22:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:22:56,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:56,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:56,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:56,671 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:56,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:23:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:16,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:22,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:22,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:23:24,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:23:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:24,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:24,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:24,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:24,351 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:24,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:23:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:43,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:49,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:49,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:23:51,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:23:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:23:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:23:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:51,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:51,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:51,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:51,213 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:24:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:10,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:16,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:24:18,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:18,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:18,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:18,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:18,168 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:18,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:24:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:43,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:24:44,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:24:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:24:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:24:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:24:44,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:44,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:44,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:44,700 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:25:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:04,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:10,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:10,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:25:11,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:25:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:25:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:25:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:25:11,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:11,887 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:11,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a8b9ff-703d-4db5-bec2-c864ebf65faf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:25:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:31,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:37,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:25:37,132 INFO L285 TraceCheckSpWp]: Computing forward predicates...