./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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 c62ccde95da8cc3da477b8fe9e7a9ba1f9b4998f0b5c079d701c68c9bf92f044 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:54:32,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:54:32,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:54:32,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:54:32,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:54:32,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:54:32,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:54:32,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:54:32,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:54:32,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:54:32,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:54:32,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:54:32,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:54:32,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:54:32,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:54:32,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:54:32,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:54:32,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:54:32,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:54:32,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:54:32,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:54:32,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:54:32,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:54:32,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:54:32,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:54:32,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:54:32,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:32,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:54:32,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:54:32,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:54:32,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:54:32,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:54:32,201 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:54:32,201 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62ccde95da8cc3da477b8fe9e7a9ba1f9b4998f0b5c079d701c68c9bf92f044 [2023-12-02 20:54:32,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:54:32,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:54:32,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:54:32,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:54:32,449 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:54:32,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i [2023-12-02 20:54:35,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:54:35,559 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:54:35,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i [2023-12-02 20:54:35,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/7e59f8b3b/ff712e577a6844ac83f52c247de0f9b7/FLAG9a059cfff [2023-12-02 20:54:35,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/7e59f8b3b/ff712e577a6844ac83f52c247de0f9b7 [2023-12-02 20:54:35,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:54:35,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:54:35,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:35,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:54:35,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:54:35,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:35" (1/1) ... [2023-12-02 20:54:35,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f3ab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:35, skipping insertion in model container [2023-12-02 20:54:35,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:35" (1/1) ... [2023-12-02 20:54:35,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:54:36,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:54:36,627 INFO L158 Benchmark]: Toolchain (without parser) took 1024.04ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 92.5MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:54:36,628 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:54:36,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.86ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 92.5MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:54:36,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.86ms. Allocated memory is still 148.9MB. Free memory was 113.0MB in the beginning and 92.5MB in the end (delta: 20.5MB). 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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 c62ccde95da8cc3da477b8fe9e7a9ba1f9b4998f0b5c079d701c68c9bf92f044 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:54:38,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:54:38,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:54:38,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:54:38,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:54:38,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:54:38,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:54:38,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:54:38,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:54:38,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:54:38,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:54:38,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:54:38,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:54:38,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:54:38,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:54:38,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:54:38,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:54:38,493 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:54:38,493 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:54:38,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:54:38,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:54:38,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:54:38,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:54:38,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:54:38,496 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:54:38,496 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:54:38,497 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:54:38,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:54:38,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:38,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:54:38,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:54:38,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:54:38,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:54:38,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:54:38,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:54:38,501 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:54:38,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:54:38,501 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62ccde95da8cc3da477b8fe9e7a9ba1f9b4998f0b5c079d701c68c9bf92f044 [2023-12-02 20:54:38,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:54:38,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:54:38,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:54:38,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:54:38,850 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:54:38,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i [2023-12-02 20:54:41,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:54:41,995 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:54:41,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i [2023-12-02 20:54:42,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/638e87d4f/49dd6a3b99514ba382b0f8616a58093c/FLAG4469a248e [2023-12-02 20:54:42,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/data/638e87d4f/49dd6a3b99514ba382b0f8616a58093c [2023-12-02 20:54:42,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:54:42,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:54:42,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:42,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:54:42,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:54:42,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:42" (1/1) ... [2023-12-02 20:54:42,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df45e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:42, skipping insertion in model container [2023-12-02 20:54:42,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:42" (1/1) ... [2023-12-02 20:54:42,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:54:42,869 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i[71457,71470] [2023-12-02 20:54:43,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:43,140 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 20:54:43,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:54:43,195 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i[71457,71470] [2023-12-02 20:54:43,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:43,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:54:43,358 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_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/sv-benchmarks/c/neural-networks/poly_128_thresh_4_unsafe.c-amalgamation.i[71457,71470] [2023-12-02 20:54:43,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:43,611 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:43,612 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:43,612 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:43,612 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:43,618 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:54:43,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43 WrapperNode [2023-12-02 20:54:43,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:43,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:43,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:54:43,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:54:43,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,777 INFO L138 Inliner]: procedures = 779, calls = 747, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1317 [2023-12-02 20:54:43,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:43,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:54:43,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:54:43,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:54:43,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:54:43,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:54:43,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:54:43,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:54:43,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:43" (1/1) ... [2023-12-02 20:54:43,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:54:43,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:54:43,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:54:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 20:54:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 20:54:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:54:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:54:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:54:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:54:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 20:54:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 20:54:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:54:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:54:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 20:54:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 20:54:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:54:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:54:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 20:54:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 20:54:43,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:54:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:54:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 20:54:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 20:54:44,239 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:54:44,242 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:55:30,798 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:55:32,207 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:55:32,208 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 20:55:32,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:32 BoogieIcfgContainer [2023-12-02 20:55:32,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:55:32,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:55:32,210 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:55:32,220 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:55:32,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:32" (1/1) ... [2023-12-02 20:55:32,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:55:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:55:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-02 20:55:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-02 20:55:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 20:55:32,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:55:32,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:55:32,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:55:32,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:55:32,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:55:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:41,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:55:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:45,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:55:45,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:55:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:55:45,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:55:49,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:55:51,686 WARN L539 Checker$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 [] [2023-12-02 20:55:55,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:55:58,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:55:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:55:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-02 20:55:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-02 20:55:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 20:55:58,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:55:58,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:55:58,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:55:58,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:55:58,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 20:56:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:07,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:10,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:10,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:11,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 20:56:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-02 20:56:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-02 20:56:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 20:56:12,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:12,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:12,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 20:56:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:21,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:24,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:24,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:56:24,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 20:56:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-02 20:56:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-02 20:56:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 20:56:25,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:25,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:25,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:25,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 20:56:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:34,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:36,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:36,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:37,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 20:56:39,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:56:41,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:56:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-02 20:56:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-02 20:56:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 20:56:42,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:42,859 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:42,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 20:56:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:52,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:54,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 2626 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:54,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:55,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 20:56:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 286 transitions. [2023-12-02 20:56:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 286 transitions. [2023-12-02 20:56:57,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 20:56:57,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:57,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:57,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:57,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:57,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 20:57:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:06,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:57:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:08,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2661 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:57:08,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:57:09,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 20:57:13,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-02 20:57:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-02 20:57:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 20:57:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:14,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:14,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:14,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 20:57:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:23,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:57:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:25,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:57:25,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:57:26,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 20:57:29,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:31,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:33,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-02 20:57:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-02 20:57:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 20:57:36,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:36,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:36,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 20:57:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:45,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:57:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:47,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:57:47,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:57:48,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 20:57:49,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:50,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-02 20:57:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-02 20:57:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:57:52,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:52,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:52,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:52,953 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:52,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 20:58:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:01,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:04,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:58:04,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:58:05,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 20:58:09,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:20,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:58:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:58:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:58:20,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:20,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:20,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:20,418 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:20,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 20:58:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:29,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:31,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:58:31,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:58:32,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 20:58:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:58:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:58:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:58:33,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:33,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:33,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:33,640 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:33,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 20:58:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:42,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:44,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:58:44,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:58:45,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 20:58:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:58:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:58:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:58:45,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:45,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:45,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:45,750 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:45,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 20:58:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:54,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:57,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:58:57,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:58:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 20:58:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:58:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:58:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:58:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:57,937 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:57,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 20:59:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:07,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:09,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:09,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:59:10,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-02 20:59:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:59:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:59:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:59:10,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:10,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:10,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:10,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:10,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 20:59:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:19,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:21,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:21,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:59:22,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 20:59:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:59:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:59:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:59:22,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:22,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:22,195 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:22,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 20:59:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:31,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:33,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:33,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:59:34,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 20:59:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:59:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:59:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:59:34,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:34,665 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:34,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 20:59:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:43,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:46,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:46,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:59:47,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 20:59:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:59:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:59:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:59:47,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:47,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:47,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:47,206 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:47,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 20:59:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:56,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:58,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:58,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:59:59,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 20:59:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 20:59:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 20:59:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 20:59:59,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:59,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:59,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:59,619 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:59,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:00:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:08,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:11,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:00:11,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:00:11,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:00:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:00:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:00:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:00:11,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:11,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:11,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:11,954 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:11,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:00:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:21,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:23,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:00:23,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:00:24,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:00:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:00:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:00:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:00:24,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:24,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:24,443 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:00:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:33,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:36,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:00:36,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:00:37,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:00:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:00:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:00:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:00:37,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:37,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:37,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:37,088 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:37,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:00:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:46,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:48,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:00:49,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:00:49,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:00:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:00:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:00:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:00:49,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:49,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:49,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:49,822 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:49,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:00:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:59,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:02,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:02,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:01:02,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:01:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:01:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:01:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:01:02,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:02,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:02,857 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:02,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:01:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:12,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:14,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:14,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:01:15,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:01:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:01:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:01:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:01:15,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:15,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:15,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:15,722 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:15,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:01:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:25,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:27,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:27,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:01:28,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:01:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:01:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:01:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:01:28,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:28,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:28,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:28,677 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:28,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:01:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:38,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:40,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:40,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:01:41,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:01:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:01:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:01:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:01:41,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:41,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:41,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:41,559 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:41,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:01:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:51,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:53,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:53,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:01:54,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:01:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:01:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:01:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:01:54,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:54,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:54,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:54,678 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:54,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:02:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:04,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:06,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:02:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:02:07,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:02:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:02:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:02:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:02:07,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:07,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:07,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:07,789 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:07,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:02:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:17,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:20,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:02:20,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:02:20,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:02:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:02:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:02:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:02:20,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:20,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:20,990 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:20,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:02:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:31,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:33,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:02:33,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:02:34,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:02:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:02:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:02:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:02:34,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:34,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:34,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:34,290 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:34,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:02:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:44,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:47,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:02:47,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:02:47,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:02:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:02:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:02:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:02:47,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:47,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:47,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:47,929 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:47,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:02:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:58,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:00,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:00,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:03:01,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:03:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:03:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:03:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:03:01,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:01,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:01,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:01,400 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:03:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:11,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:14,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:14,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:03:14,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:03:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:03:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:03:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:03:14,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:14,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:14,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:14,907 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:14,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:03:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:25,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:27,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:27,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:03:28,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:03:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:03:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:03:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:03:28,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:28,675 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:28,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:03:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:39,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:41,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:41,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:03:42,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:03:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:03:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:03:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:03:42,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:42,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:42,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:42,636 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:42,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:03:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:53,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:56,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:56,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:03:56,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 21:03:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:03:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:03:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:03:56,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:56,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:56,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:56,900 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:56,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:04:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:07,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:09,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:04:09,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:04:10,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:04:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:04:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:04:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:04:10,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:10,750 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:10,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:04:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:21,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:23,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:04:23,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:04:24,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 21:04:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:04:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:04:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:04:24,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:24,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:24,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:24,617 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:24,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:04:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:35,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:37,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:04:37,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:04:38,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:04:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:04:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:04:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:04:38,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:38,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:38,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:38,415 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:04:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:49,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:51,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:04:51,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:04:52,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:04:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:04:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:04:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:04:52,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:52,301 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:52,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:05:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:02,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:05,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:05:05,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:05:05,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:05:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:05:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:05:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:05:05,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:05,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:05,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:05,870 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:05,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:05:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:16,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:19,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:05:19,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:05:19,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:05:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:05:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:05:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:05:19,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:19,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:19,827 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:05:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:30,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:32,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:05:32,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:05:33,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:05:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:05:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:05:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:05:33,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:33,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:33,777 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:33,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:05:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:44,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:46,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:05:46,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:05:47,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:05:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:05:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:05:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:05:47,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:47,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:47,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:47,547 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:05:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:58,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:00,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:00,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:06:01,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-02 21:06:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:06:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:06:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:06:01,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:01,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:01,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:01,536 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:01,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:06:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:12,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:14,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:14,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:06:15,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 21:06:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:06:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:06:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:06:15,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:15,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:15,359 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:15,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:06:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:26,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:28,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:28,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:06:29,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:06:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:06:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:06:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:06:29,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:29,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:29,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:29,545 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:29,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:06:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:40,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:43,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:43,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:06:43,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 21:06:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:06:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:06:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:06:43,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:43,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:43,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:43,920 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:43,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:06:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:55,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:57,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:57,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:06:58,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:06:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:06:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:06:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:06:58,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:58,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:58,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:58,303 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:58,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:07:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:09,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:11,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:07:11,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:07:12,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:07:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:07:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:07:12,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:07:12,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:12,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:12,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:12,551 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:12,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:07:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:23,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:26,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:07:26,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:07:27,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:07:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:07:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:07:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:07:27,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:27,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:27,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:27,193 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:27,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:07:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:38,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:41,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:07:41,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:07:41,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 21:07:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:07:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:07:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:07:41,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:41,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:41,949 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:41,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:07:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:53,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:55,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:07:55,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:07:56,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 21:07:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:07:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:07:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:07:56,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:56,460 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:08:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:08,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:10,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:08:10,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:08:11,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 21:08:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:08:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:08:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:08:11,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:11,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:11,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:11,182 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:11,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 21:08:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:22,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:25,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:08:25,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:08:25,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 21:08:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:08:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:08:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:08:25,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:25,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:25,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:25,852 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:25,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 21:08:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:37,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:39,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:08:39,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:08:40,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 21:08:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:08:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:08:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:08:40,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:40,524 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:40,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 21:08:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:52,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:54,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:08:54,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:08:55,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 21:08:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 177 states and 415 transitions. [2023-12-02 21:08:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 415 transitions. [2023-12-02 21:08:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:08:55,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:55,411 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:55,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9c9e55b-ba4d-4b6c-a965-0d0ba562cd19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 21:09:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:06,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:09,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:09:09,459 INFO L285 TraceCheckSpWp]: Computing forward predicates...