./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/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_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/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_7b33d696-1024-431b-8c9e-de5bff3ba702/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 cf4cf7048927b9d4b57c94a7020b5b256c9c5df8e0bc64b8664ff84a8f16bc96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:40:53,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:40:53,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:40:53,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:40:53,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:40:53,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:40:53,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:40:53,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:40:53,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:40:53,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:40:53,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:40:53,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:40:53,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:40:53,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:40:53,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:40:53,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:40:53,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:40:53,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:40:53,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:40:53,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:40:53,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:40:53,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:40:53,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:40:53,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:40:53,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:40:53,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:40:53,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:40:53,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:40:53,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:40:53,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:40:53,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:40:53,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:40:53,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:40:53,540 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_7b33d696-1024-431b-8c9e-de5bff3ba702/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf4cf7048927b9d4b57c94a7020b5b256c9c5df8e0bc64b8664ff84a8f16bc96 [2023-12-03 04:40:53,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:40:53,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:40:53,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:40:53,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:40:53,794 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:40:53,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:40:58,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:40:59,018 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:40:59,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:40:59,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/d8c290317/6b89b73e37304710b87d8e6b0c72cccf/FLAG3e17612c0 [2023-12-03 04:40:59,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/d8c290317/6b89b73e37304710b87d8e6b0c72cccf [2023-12-03 04:40:59,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:40:59,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:40:59,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:40:59,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:40:59,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:40:59,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:59" (1/1) ... [2023-12-03 04:40:59,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe36eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:40:59, skipping insertion in model container [2023-12-03 04:40:59,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:40:59" (1/1) ... [2023-12-03 04:40:59,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:00,310 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:41:00,316 INFO L158 Benchmark]: Toolchain (without parser) took 1239.62ms. Allocated memory is still 132.1MB. Free memory was 84.2MB in the beginning and 63.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:41:00,317 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:00,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1237.00ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 63.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:41:00,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1237.00ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 63.2MB 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/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_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/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_7b33d696-1024-431b-8c9e-de5bff3ba702/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 cf4cf7048927b9d4b57c94a7020b5b256c9c5df8e0bc64b8664ff84a8f16bc96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:02,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:02,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:41:02,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:02,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:02,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:02,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:02,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:02,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:02,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:02,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:41:02,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:41:02,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:02,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:02,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:02,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:02,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:41:02,370 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:41:02,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:41:02,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:41:02,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:02,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:02,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:02,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:02,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:02,374 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:02,375 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:02,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:02,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:02,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:02,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:02,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:02,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:41:02,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:02,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:02,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:41:02,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:02,380 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_7b33d696-1024-431b-8c9e-de5bff3ba702/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf4cf7048927b9d4b57c94a7020b5b256c9c5df8e0bc64b8664ff84a8f16bc96 [2023-12-03 04:41:02,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:02,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:02,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:02,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:02,711 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:02,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:41:05,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:05,930 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:05,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:41:05,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/51e86d878/6a5195bea8ba4819a4cf2886aa1986b5/FLAGdd8318932 [2023-12-03 04:41:05,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/data/51e86d878/6a5195bea8ba4819a4cf2886aa1986b5 [2023-12-03 04:41:05,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:05,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:05,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:05,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:05,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:05,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:05" (1/1) ... [2023-12-03 04:41:05,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba0d940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:05, skipping insertion in model container [2023-12-03 04:41:05,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:05" (1/1) ... [2023-12-03 04:41:06,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:06,831 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_7b33d696-1024-431b-8c9e-de5bff3ba702/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i[71475,71488] [2023-12-03 04:41:07,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:07,115 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:41:07,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:07,171 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_7b33d696-1024-431b-8c9e-de5bff3ba702/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i[71475,71488] [2023-12-03 04:41:07,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:07,290 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:07,328 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_7b33d696-1024-431b-8c9e-de5bff3ba702/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_0_safe.c-amalgamation.i[71475,71488] [2023-12-03 04:41:07,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:07,646 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:07,647 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:07,647 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:07,647 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:07,653 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:07,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07 WrapperNode [2023-12-03 04:41:07,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:07,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:07,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:07,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:07,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,811 INFO L138 Inliner]: procedures = 779, calls = 762, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1354 [2023-12-03 04:41:07,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:07,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:07,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:07,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:07,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:07,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:07,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:07,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:07,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:07" (1/1) ... [2023-12-03 04:41:07,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:07,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 04:41:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 04:41:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:41:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:41:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:41:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:41:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:41:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 04:41:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 04:41:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:41:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:41:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:41:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 04:41:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 04:41:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:41:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 04:41:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 04:41:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 04:41:08,297 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:08,299 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:42:08,928 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:42:10,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:42:10,069 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 04:42:10,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:42:10 BoogieIcfgContainer [2023-12-03 04:42:10,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:42:10,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:42:10,071 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:42:10,078 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:42:10,078 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:42:10" (1/1) ... [2023-12-03 04:42:10,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:42:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-03 04:42:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-03 04:42:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 04:42:10,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:10,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:10,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:10,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:42:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:17,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:20,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:20,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 04:42:20,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:31,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:34,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:36,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:39,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-03 04:42:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-03 04:42:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:42:39,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:39,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:39,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:39,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:39,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:42:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:46,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:49,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:49,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 04:42:49,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:42:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-03 04:42:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-03 04:42:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 04:42:51,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:51,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:51,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:51,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:51,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:42:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:58,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:00,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:00,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 04:43:01,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:43:03,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-03 04:43:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-03 04:43:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:04,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:04,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:04,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:43:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:13,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 2904 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:13,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 04:43:14,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:43:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:18,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-03 04:43:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-03 04:43:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 04:43:19,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:19,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:19,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:43:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:26,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:29,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:29,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-03 04:43:29,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:43:33,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2023-12-03 04:43:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2023-12-03 04:43:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 04:43:33,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:33,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:33,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:33,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:33,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:43:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:40,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:43,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 2914 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:43,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-03 04:43:44,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:43:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-03 04:43:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-03 04:43:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 04:43:46,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:46,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:46,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:46,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:46,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:43:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:53,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:55,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 2953 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:55,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-03 04:43:57,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:43:59,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:44:01,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:44:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-03 04:44:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-03 04:44:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 04:44:05,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:05,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:05,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:44:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:12,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:15,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 2929 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:15,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 04:44:16,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 04:44:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-03 04:44:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-03 04:44:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 04:44:19,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:19,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:19,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:19,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:19,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:44:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:26,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:29,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 2933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:29,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-12-03 04:44:31,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:44:43,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:44:56,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:45:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:45:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:45:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:45:02,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:02,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:02,679 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:02,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:45:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:10,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:12,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:45:15,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:45:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:45:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:45:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:45:17,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:17,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:17,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:17,615 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:17,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:45:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:24,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:27,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:45:29,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:45:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:29,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:45:29,050 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:45:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:45:29,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:29,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:29,053 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:29,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:45:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:36,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:39,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:39,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:45:41,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:45:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:45:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:45:41,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:41,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:41,224 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:41,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:45:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:48,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:51,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:51,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:45:53,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:45:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:45:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:45:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:45:53,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:53,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:53,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:53,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:46:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:01,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:04,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:04,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:46:05,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:46:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:46:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:46:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:46:06,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:06,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:06,039 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:06,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:46:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:16,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:16,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:46:18,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:46:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:46:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:46:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:46:18,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:18,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:18,175 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:18,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:46:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:25,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:28,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:28,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:46:30,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 04:46:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:46:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:46:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:46:30,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:30,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:30,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:30,147 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:46:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:37,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:40,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:40,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:46:42,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:46:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:46:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:46:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:46:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:42,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:42,293 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:42,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:46:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:50,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:52,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:52,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:46:54,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:46:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:46:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:46:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:46:54,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:54,704 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:54,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:47:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:02,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:05,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:05,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:47:07,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:47:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:47:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:47:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:47:07,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:07,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:07,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:07,070 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:07,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:47:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:14,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:17,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:17,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:47:18,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 04:47:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:47:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:47:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:47:18,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:18,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:18,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:18,963 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:18,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:47:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:27,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:30,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:47:32,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:47:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:47:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:47:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:47:32,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:32,514 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:47:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:41,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:43,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:43,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:47:45,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:47:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:47:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:47:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:47:45,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:45,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:45,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:45,397 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:45,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:47:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:53,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:55,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:55,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:47:57,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:47:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 189 states and 454 transitions. [2023-12-03 04:47:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 454 transitions. [2023-12-03 04:47:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 04:47:57,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:57,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:57,548 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:57,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:48:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:05,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:08,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:08,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 04:48:09,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:48:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 196 states and 472 transitions. [2023-12-03 04:48:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 472 transitions. [2023-12-03 04:48:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:48:13,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:13,671 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:48:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:21,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:24,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:24,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:48:25,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:48:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:28,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 196 states and 472 transitions. [2023-12-03 04:48:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 472 transitions. [2023-12-03 04:48:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:48:28,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:28,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:28,951 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:28,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:48:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:39,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:39,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:48:40,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:48:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 196 states and 472 transitions. [2023-12-03 04:48:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 472 transitions. [2023-12-03 04:48:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 04:48:41,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:41,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:41,693 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:41,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:48:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:49,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:51,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:51,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 04:48:54,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:49:02,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:04,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 204 states and 485 transitions. [2023-12-03 04:49:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 485 transitions. [2023-12-03 04:49:05,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 04:49:05,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:05,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:05,695 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:49:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:13,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:16,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:16,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-03 04:49:17,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:49:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 209 states and 502 transitions. [2023-12-03 04:49:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 502 transitions. [2023-12-03 04:49:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:49:20,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:20,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:20,414 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:20,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:49:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:28,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:30,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:30,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:49:32,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:49:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 209 states and 502 transitions. [2023-12-03 04:49:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 502 transitions. [2023-12-03 04:49:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:49:33,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:33,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:33,431 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:33,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:49:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:41,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:44,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:44,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:49:45,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:49:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 209 states and 502 transitions. [2023-12-03 04:49:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 502 transitions. [2023-12-03 04:49:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 04:49:46,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:46,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:46,597 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:46,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:49:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:54,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:57,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:57,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-12-03 04:49:59,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:50:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 216 states and 525 transitions. [2023-12-03 04:50:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 525 transitions. [2023-12-03 04:50:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 04:50:06,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:06,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:06,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:06,217 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:06,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:50:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:14,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:16,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:16,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-03 04:50:19,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:50:23,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:27,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:50:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:50:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:50:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:50:31,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:31,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:31,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:31,946 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:31,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:50:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:40,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:42,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:42,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:50:44,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 04:50:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:50:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:50:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:50:45,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:45,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:45,017 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:50:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:53,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:55,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:55,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:50:57,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:50:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:50:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:50:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:50:57,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:57,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:57,949 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:57,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:51:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:06,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:08,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:08,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:51:10,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:51:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:51:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:51:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:51:11,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:11,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:11,139 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:11,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:51:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:19,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:21,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:21,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:51:23,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:51:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:51:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:51:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:51:24,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:24,345 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:24,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:51:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:32,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:34,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:34,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:51:36,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:51:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:51:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:51:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:51:37,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:37,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:37,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:37,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:37,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:51:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:45,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:48,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:48,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:51:49,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:51:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:51:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:51:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:51:50,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:50,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:50,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:50,520 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:50,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:51:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:58,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:01,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:01,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:52:02,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:52:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:52:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:52:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:52:03,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:03,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:03,707 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:03,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:52:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:12,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:14,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:14,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:52:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:52:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:52:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:52:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:52:17,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:17,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:17,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:17,007 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:17,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:52:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:25,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:27,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:27,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:52:29,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:52:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:52:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:52:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:52:30,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:30,389 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:30,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:52:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:39,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:41,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:41,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:52:43,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:52:43,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:52:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:52:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:52:43,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:43,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:43,904 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:43,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:52:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:52,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:55,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:55,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:52:56,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:52:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:52:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:52:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:52:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:57,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:57,525 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:57,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:53:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:06,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:08,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:53:08,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:53:10,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:53:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:53:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:53:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:53:11,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:11,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:11,308 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:53:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:20,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:22,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:53:22,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:53:24,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:53:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:53:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:53:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:53:25,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:25,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:25,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:25,288 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:25,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:53:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:34,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:36,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:53:36,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:53:38,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:53:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:53:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:53:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:53:39,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:39,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:39,107 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:53:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:47,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:50,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:53:50,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:53:51,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:53:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:53:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:53:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:53:52,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:52,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:52,662 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:52,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:54:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:01,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:04,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:54:04,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:54:05,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:54:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:54:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:54:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:54:06,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:06,612 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:06,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:54:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:15,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:18,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:54:18,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:54:19,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:54:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:54:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:54:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:54:20,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:20,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:20,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:20,695 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:54:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:29,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:32,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:54:32,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:54:34,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:54:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:54:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:54:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:54:34,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:34,898 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:34,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:54:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:43,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:46,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:54:46,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:54:47,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:54:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:54:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:54:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:54:48,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:48,702 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:48,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:54:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:58,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:00,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:55:00,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:55:02,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:55:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:55:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:55:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:55:03,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:03,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:03,031 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:55:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:12,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:14,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 2928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:55:14,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-03 04:55:16,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 04:55:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 224 states and 552 transitions. [2023-12-03 04:55:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 552 transitions. [2023-12-03 04:55:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:55:17,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:17,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:17,331 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:17,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b33d696-1024-431b-8c9e-de5bff3ba702/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process