./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/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_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/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_b592cbda-d092-4fed-babd-a7a166663229/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 cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:21:17,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:21:17,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:21:17,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:21:17,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:21:17,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:21:17,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:21:17,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:21:17,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:21:17,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:21:17,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:21:17,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:21:17,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:21:17,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:21:17,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:21:17,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:21:17,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:21:17,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:21:17,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:21:17,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:21:17,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:21:17,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:21:17,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:21:17,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:21:17,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:21:17,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:21:17,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:21:17,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:21:17,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:21:17,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:21:17,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:21:17,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:21:17,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:21:17,679 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_b592cbda-d092-4fed-babd-a7a166663229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 [2023-12-03 02:21:17,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:21:17,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:21:17,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:21:17,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:21:17,968 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:21:17,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2023-12-03 02:21:20,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:21:21,103 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:21:21,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2023-12-03 02:21:21,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/a84ce2c76/007c9dee72984639bf2799853cb72857/FLAGf91edeef6 [2023-12-03 02:21:21,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/a84ce2c76/007c9dee72984639bf2799853cb72857 [2023-12-03 02:21:21,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:21:21,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:21:21,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:21:21,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:21:21,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:21:21,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:21" (1/1) ... [2023-12-03 02:21:21,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5679bef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:21, skipping insertion in model container [2023-12-03 02:21:21,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:21" (1/1) ... [2023-12-03 02:21:21,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:21:22,412 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:21:22,416 INFO L158 Benchmark]: Toolchain (without parser) took 1265.68ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 87.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:21:22,417 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:21:22,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.87ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 87.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:21:22,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.87ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 87.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/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_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/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_b592cbda-d092-4fed-babd-a7a166663229/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 cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:21:24,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:21:24,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:21:24,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:21:24,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:21:24,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:21:24,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:21:24,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:21:24,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:21:24,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:21:24,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:21:24,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:21:24,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:21:24,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:21:24,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:21:24,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:21:24,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:21:24,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:21:24,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:21:24,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:21:24,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:21:24,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:21:24,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:21:24,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:21:24,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:21:24,364 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:24,365 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:21:24,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:21:24,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:21:24,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:21:24,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:21:24,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:21:24,368 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:21:24,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:21:24,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:21:24,369 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:21:24,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:21:24,369 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_b592cbda-d092-4fed-babd-a7a166663229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 [2023-12-03 02:21:24,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:21:24,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:21:24,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:21:24,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:21:24,698 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:21:24,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2023-12-03 02:21:27,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:21:27,874 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:21:27,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2023-12-03 02:21:27,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/dbb762a23/18507e3e2c6645d79e6f220043a354db/FLAG573c07466 [2023-12-03 02:21:27,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/data/dbb762a23/18507e3e2c6645d79e6f220043a354db [2023-12-03 02:21:27,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:21:27,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:21:27,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:21:27,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:21:27,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:21:27,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:27" (1/1) ... [2023-12-03 02:21:27,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bbc79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:27, skipping insertion in model container [2023-12-03 02:21:27,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:21:27" (1/1) ... [2023-12-03 02:21:27,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:21:29,004 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_b592cbda-d092-4fed-babd-a7a166663229/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-03 02:21:29,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:21:29,262 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:21:29,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:21:29,325 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_b592cbda-d092-4fed-babd-a7a166663229/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-03 02:21:29,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:21:29,410 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:21:29,451 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_b592cbda-d092-4fed-babd-a7a166663229/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i[71475,71488] [2023-12-03 02:21:29,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:21:29,842 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:21:29,843 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:21:29,843 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:21:29,843 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:21:29,851 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:21:29,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29 WrapperNode [2023-12-03 02:21:29,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:21:29,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:21:29,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:21:29,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:21:29,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:29,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:29,995 INFO L138 Inliner]: procedures = 779, calls = 581, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1172 [2023-12-03 02:21:29,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:21:29,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:21:29,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:21:29,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:21:30,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:21:30,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:21:30,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:21:30,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:21:30,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:21:29" (1/1) ... [2023-12-03 02:21:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:21:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:21:30,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:21:30,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:21:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:21:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 02:21:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:21:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:21:30,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:21:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:21:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:21:30,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:21:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:21:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:21:30,196 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 02:21:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 02:21:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:21:30,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:21:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:21:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:21:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:21:30,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 02:21:30,198 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:21:30,198 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 02:21:30,199 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 02:21:30,433 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:21:30,435 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:22:15,146 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:22:15,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:22:15,805 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 02:22:15,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:15 BoogieIcfgContainer [2023-12-03 02:22:15,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:22:15,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:22:15,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:22:15,817 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:22:15,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:15" (1/1) ... [2023-12-03 02:22:15,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:22:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-03 02:22:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-03 02:22:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 02:22:15,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:15,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:15,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:15,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:15,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:22:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:19,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:20,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 02:22:21,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:22:31,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:22:33,872 WARN L539 Checker$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 02:22:37,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:22:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-03 02:22:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-03 02:22:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:22:37,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:37,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:37,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:37,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:37,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:22:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:40,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:41,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:41,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-03 02:22:42,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:22:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-03 02:22:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-03 02:22:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:22:43,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:43,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:43,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:22:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:45,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:47,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:47,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-03 02:22:47,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:22:49,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:22:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-03 02:22:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-03 02:22:49,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:22:49,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:49,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:49,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:49,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:22:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:52,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:22:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:53,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:22:53,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:22:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-03 02:22:54,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:22:56,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:22:57,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:22:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-03 02:22:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-03 02:22:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 02:22:58,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:58,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:22:58,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:22:58,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:22:58,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:23:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:01,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:02,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:02,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-03 02:23:03,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:23:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2023-12-03 02:23:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2023-12-03 02:23:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:23:04,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:04,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:04,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:04,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:23:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:07,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:08,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 2042 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:08,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-03 02:23:09,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:23:11,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:23:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-03 02:23:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-03 02:23:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 02:23:13,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:13,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:13,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:13,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:13,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:23:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:15,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:17,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:17,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 02:23:17,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:23:19,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:23:22,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:23:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-03 02:23:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-03 02:23:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 02:23:25,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:25,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:25,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:25,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:23:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:27,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:29,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:29,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 02:23:29,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:23:37,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:23:38,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:23:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:23:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-03 02:23:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-03 02:23:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:23:40,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:23:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:23:40,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:23:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:23:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:43,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:23:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:23:44,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:23:44,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:23:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:23:46,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:23:55,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:24:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2023-12-03 02:24:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2023-12-03 02:24:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:24:02,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:02,671 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:02,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:24:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:05,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:06,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:06,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:24:07,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:24:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2023-12-03 02:24:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2023-12-03 02:24:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 02:24:09,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:09,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:09,023 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:09,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:24:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:11,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:12,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:12,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 02:24:13,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:24:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2023-12-03 02:24:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2023-12-03 02:24:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:24:16,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:16,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:16,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:16,748 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:16,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:24:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:19,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:20,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:20,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:24:22,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:24:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2023-12-03 02:24:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2023-12-03 02:24:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:24:24,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:24,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:24,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:24,051 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:24,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:24:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:27,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:28,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:28,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:24:29,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:24:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2023-12-03 02:24:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2023-12-03 02:24:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:24:29,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:29,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:29,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:29,964 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:29,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:24:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:32,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:34,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:34,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 02:24:35,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:24:40,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:24:42,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:24:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 192 states and 459 transitions. [2023-12-03 02:24:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 459 transitions. [2023-12-03 02:24:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:24:42,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:42,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:42,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:42,914 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:42,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:24:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:45,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:47,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:47,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:24:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 02:24:48,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:24:51,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:24:53,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:24:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:24:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 203 states and 488 transitions. [2023-12-03 02:24:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 488 transitions. [2023-12-03 02:24:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 02:24:55,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:24:55,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:24:55,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:24:55,094 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:24:55,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:24:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:58,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:24:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:24:59,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:24:59,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-12-03 02:25:01,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:25:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2023-12-03 02:25:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2023-12-03 02:25:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:25:05,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:05,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:05,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:05,186 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:05,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:25:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:08,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:09,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:09,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-03 02:25:11,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 02:25:15,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:25:17,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:25:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:20,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:20,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:20,922 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:20,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:25:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:23,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:25,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:25,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:26,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:25:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:26,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:26,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:26,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:26,850 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:26,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:25:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:30,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:31,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:31,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:32,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:25:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:32,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:32,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:32,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:32,958 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:32,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:25:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:36,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:37,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:37,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:38,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:25:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:38,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:38,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:38,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:38,958 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:38,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:25:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:42,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:43,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:43,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:44,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:25:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:45,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:45,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:45,102 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:25:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:48,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:49,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:49,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:50,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:25:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:51,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:51,291 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:25:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:54,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:25:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:56,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:56,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:25:57,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:25:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:25:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:25:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:25:57,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:57,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:25:57,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:25:57,914 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:25:57,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:26:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:01,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:02,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:02,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:03,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:26:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:04,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:04,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:04,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:04,199 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:04,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:26:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:07,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:08,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:08,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:09,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:26:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:10,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:10,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:10,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:10,415 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:26:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:13,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:15,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:15,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:16,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:26:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:16,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:16,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:16,687 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:16,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:26:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:20,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:21,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:21,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:22,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:26:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:23,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:23,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:23,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:23,046 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:23,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:26:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:26,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:27,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:27,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:28,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:26:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:29,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:29,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:29,370 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:26:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:32,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:34,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:34,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:35,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:26:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:35,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:35,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:35,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:35,713 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:35,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:26:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:39,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:40,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:40,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:41,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:26:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:42,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:42,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:42,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:42,258 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:42,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:26:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:45,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:47,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:47,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:48,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:26:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:48,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:48,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:48,974 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:48,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:26:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:52,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:26:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:54,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:26:54,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:26:55,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:26:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:26:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:26:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:26:55,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:55,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:26:55,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:26:55,746 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:26:55,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:26:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:59,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:00,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:00,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:02,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:27:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:02,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:02,527 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:02,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:27:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:06,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:07,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:07,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:08,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:27:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:09,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:09,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:09,231 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:09,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:27:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:13,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:14,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:14,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:15,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:27:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:16,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:16,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:16,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:16,103 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:16,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:27:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:20,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:21,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:21,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:22,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:27:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:23,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:23,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:23,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:23,227 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:27:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:27,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:28,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:28,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:29,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 02:27:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:30,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:30,096 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:30,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:27:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:33,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:35,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:35,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:36,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:27:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:36,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:36,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:36,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:36,863 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:36,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:27:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:40,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:41,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:41,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:43,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:27:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:43,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:43,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:43,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:43,686 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:43,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:27:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:47,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:49,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:49,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:50,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:27:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:50,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:50,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:50,849 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:27:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:54,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:27:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:56,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:27:56,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:27:57,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-03 02:27:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:27:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:27:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:27:57,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:57,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:27:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:27:57,876 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:27:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:28:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:01,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:03,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:03,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:04,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:28:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:04,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:04,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:04,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:04,862 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:28:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:08,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:10,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:10,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:11,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:28:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:11,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:11,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:11,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:11,983 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:11,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:28:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:15,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:17,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:17,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:18,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:28:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:19,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:19,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:19,059 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:19,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:28:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:23,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:24,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:24,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:25,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:28:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:26,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:26,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:26,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:26,162 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:26,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:28:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:30,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:31,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:31,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:32,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:28:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:33,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:33,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:33,219 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:28:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:37,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:38,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:38,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:39,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:28:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:40,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:40,379 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:40,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:28:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:44,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:45,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:45,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:47,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:28:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:47,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:47,610 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:47,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:28:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:51,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:53,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:28:53,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:28:54,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:28:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:28:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:28:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:28:54,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:54,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:54,791 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:28:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:58,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:00,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:00,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:29:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:01,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:01,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:01,825 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:01,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:29:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:06,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:07,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:07,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:08,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:29:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:08,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:08,948 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:08,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:29:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:12,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:14,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:14,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:15,409 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:15,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:29:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:15,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:15,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:15,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:15,904 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:29:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:20,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:21,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:21,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:22,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:29:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:23,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:23,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:23,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:23,424 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:23,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:29:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:27,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:29,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:29,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:30,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 02:29:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:30,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:30,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:30,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:30,710 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:30,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:29:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:35,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:36,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:36,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:37,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:29:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:38,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:38,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:38,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:38,284 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:38,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:29:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:42,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:43,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:43,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:45,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:29:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:45,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:45,698 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:45,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:29:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:50,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:51,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:51,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:29:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:29:52,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:29:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:29:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:29:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:29:53,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:53,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:29:53,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:29:53,247 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:29:53,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:29:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:57,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:29:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:59,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:29:59,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:00,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:30:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:00,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:00,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:00,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:00,724 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:00,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:30:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:05,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:06,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:06,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:08,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:30:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:08,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:08,519 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:30:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:13,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:14,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:14,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:15,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:30:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:16,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:16,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:16,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:16,039 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:16,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:30:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:20,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:22,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:22,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:23,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:30:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:23,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:23,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:23,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:23,654 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:23,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:30:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:28,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:29,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:29,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:30,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 02:30:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:31,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:31,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:31,224 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:31,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:30:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:35,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:37,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:37,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:38,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:30:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:39,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:39,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:39,008 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:39,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:30:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:43,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:45,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:45,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:46,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:30:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:46,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:46,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:46,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:46,704 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:46,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:30:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:51,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:30:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:52,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:30:52,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:30:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:30:54,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:30:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:30:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:30:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:30:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:30:54,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:30:54,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:54,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:30:54,467 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:30:54,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:30:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:30:59,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:00,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:00,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:01,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 02:31:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:02,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:02,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:02,141 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:02,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:31:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:06,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:08,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:08,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:09,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:31:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:09,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:09,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:09,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:09,958 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:09,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:31:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:14,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:16,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:16,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:17,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:31:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:17,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:17,791 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:17,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:31:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:22,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:24,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:24,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:25,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:31:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:25,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:25,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:25,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:25,756 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:25,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:31:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:30,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:32,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:32,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:33,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:31:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:33,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:33,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:33,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:33,779 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:33,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:31:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:38,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:39,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:39,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:40,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:31:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:41,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:41,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:41,486 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:41,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:31:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:46,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:47,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:47,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:48,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:31:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:49,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:49,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:49,462 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:31:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:54,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:55,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:55,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:31:56,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:31:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:31:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:31:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:31:57,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:57,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:57,404 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:57,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:32:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:02,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:03,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:03,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:04,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-03 02:32:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:05,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:05,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:05,370 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:05,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:32:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:10,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:11,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:11,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:12,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:32:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:13,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:13,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:13,180 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:13,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:32:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:18,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:19,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:19,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:20,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:32:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:21,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:21,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:21,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:21,187 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:21,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:32:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:26,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:27,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:27,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:28,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:32:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:29,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:29,140 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:29,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:32:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:34,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:35,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:35,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:37,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:32:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:37,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:37,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:37,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:37,553 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:37,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:32:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:42,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:44,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:44,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:45,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:32:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:45,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:45,671 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:45,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:32:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:50,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:52,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:32:52,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:32:53,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:32:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:32:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:32:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:32:53,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:53,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:53,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:53,812 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:53,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:32:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:59,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:00,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:00,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:01,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:33:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:02,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:02,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:02,354 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:02,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:33:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:08,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:09,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:09,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:10,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:33:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:10,918 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:10,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:10,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:10,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:10,921 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:10,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:33:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:16,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:17,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:17,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:18,862 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:18,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:33:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:19,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:19,414 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:19,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:33:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:24,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:26,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:26,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:27,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:33:27,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:27,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:27,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:27,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:27,706 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:27,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:33:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:33,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:34,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:34,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:35,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:33:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:36,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:36,074 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:33:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:41,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:42,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:42,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:44,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:33:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:44,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:44,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:44,748 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:44,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:33:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:50,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:51,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:51,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:33:52,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:33:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:33:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:33:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:33:53,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:53,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:53,199 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:53,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:33:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:58,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:59,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:01,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:34:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:01,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:01,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:01,669 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:01,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:34:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:07,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:08,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:08,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:09,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:34:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:10,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:10,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:10,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:10,418 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:10,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:34:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:17,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:17,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:18,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:34:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:19,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:19,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:19,089 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:19,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:34:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:24,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:25,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:25,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:26,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:34:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:27,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:27,370 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:34:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:32,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:34,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:34,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:35,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:34:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:35,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:35,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:35,868 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:35,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:34:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:41,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:42,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:42,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:43,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:34:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:44,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:44,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:44,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:44,372 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:34:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:50,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:51,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:34:51,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:34:53,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:34:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:34:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:34:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:34:53,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:53,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:53,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:53,578 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:53,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:34:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:59,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:00,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:00,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:35:02,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:35:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:35:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:35:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:35:02,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:02,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:02,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:02,612 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:02,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:35:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:08,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:09,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:09,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:35:11,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:35:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:35:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:35:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:35:11,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:11,597 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:11,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:35:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:17,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:18,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:18,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:35:19,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:35:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:35:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:35:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:35:20,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:20,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:20,444 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:20,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:35:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:26,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:27,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:35:27,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 02:35:29,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:35:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2023-12-03 02:35:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2023-12-03 02:35:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:35:29,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:29,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:29,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:29,569 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:29,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b592cbda-d092-4fed-babd-a7a166663229/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process