./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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 6b55d7ce6481444b26d38ec396ac2ed4383927147989f3ca5491df4e780dd99e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:34:04,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:34:04,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:34:04,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:34:04,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:34:04,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:34:04,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:34:04,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:34:04,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:34:04,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:34:04,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:34:04,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:34:04,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:34:04,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:34:04,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:34:04,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:34:04,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:34:04,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:34:04,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:34:04,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:34:04,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:34:04,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:34:04,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:34:04,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:34:04,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:34:04,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:34:04,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:04,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:34:04,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:34:04,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:34:04,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:34:04,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:34:04,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:34:04,650 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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b55d7ce6481444b26d38ec396ac2ed4383927147989f3ca5491df4e780dd99e [2023-12-03 03:34:04,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:34:04,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:34:04,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:34:04,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:34:04,883 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:34:04,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i [2023-12-03 03:34:07,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:34:07,940 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:34:07,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i [2023-12-03 03:34:07,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/33c94fd71/f5268e1d3e1d4320bac817d74c9c9bc0/FLAGef58dab48 [2023-12-03 03:34:07,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/33c94fd71/f5268e1d3e1d4320bac817d74c9c9bc0 [2023-12-03 03:34:07,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:34:07,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:34:07,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:07,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:34:07,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:34:07,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:07" (1/1) ... [2023-12-03 03:34:07,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e43786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:07, skipping insertion in model container [2023-12-03 03:34:07,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:07" (1/1) ... [2023-12-03 03:34:08,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:09,034 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:34:09,038 INFO L158 Benchmark]: Toolchain (without parser) took 1050.46ms. Allocated memory is still 195.0MB. Free memory was 144.3MB in the beginning and 124.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:34:09,039 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:34:09,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.25ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 124.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:34:09,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.25ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 124.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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 6b55d7ce6481444b26d38ec396ac2ed4383927147989f3ca5491df4e780dd99e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:34:10,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:34:10,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:34:10,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:34:10,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:34:10,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:34:10,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:34:10,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:34:10,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:34:10,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:34:10,893 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:34:10,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:34:10,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:34:10,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:34:10,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:34:10,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:34:10,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:34:10,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:34:10,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:34:10,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:34:10,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:34:10,898 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:34:10,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:34:10,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:34:10,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:34:10,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:10,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:34:10,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:34:10,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:10,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:34:10,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:34:10,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:34:10,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:34:10,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:10,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:34:10,903 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:34:10,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:34:10,904 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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b55d7ce6481444b26d38ec396ac2ed4383927147989f3ca5491df4e780dd99e [2023-12-03 03:34:11,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:34:11,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:34:11,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:34:11,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:34:11,232 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:34:11,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i [2023-12-03 03:34:13,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:34:14,318 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:34:14,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i [2023-12-03 03:34:14,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/87943feee/4f647483626d400f9c43ff8be6de92be/FLAGbebc1b4ae [2023-12-03 03:34:14,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/data/87943feee/4f647483626d400f9c43ff8be6de92be [2023-12-03 03:34:14,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:34:14,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:34:14,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:14,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:34:14,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:34:14,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:14" (1/1) ... [2023-12-03 03:34:14,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a830224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:14, skipping insertion in model container [2023-12-03 03:34:14,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:14" (1/1) ... [2023-12-03 03:34:14,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:15,262 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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i[71457,71470] [2023-12-03 03:34:15,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:15,565 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:34:15,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:15,621 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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i[71457,71470] [2023-12-03 03:34:15,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:15,719 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:34:15,788 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_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/sv-benchmarks/c/neural-networks/poly_128_thresh_1_safe.c-amalgamation.i[71457,71470] [2023-12-03 03:34:15,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:16,082 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:16,083 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:16,083 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:16,083 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:16,090 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:34:16,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16 WrapperNode [2023-12-03 03:34:16,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:16,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:16,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:34:16,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:34:16,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,239 INFO L138 Inliner]: procedures = 779, calls = 747, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1317 [2023-12-03 03:34:16,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:16,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:34:16,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:34:16,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:34:16,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:34:16,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:34:16,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:34:16,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:34:16,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:16" (1/1) ... [2023-12-03 03:34:16,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:16,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:34:16,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:34:16,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:34:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:34:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 03:34:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 03:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:34:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 03:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 03:34:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 03:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 03:34:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 03:34:16,656 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:34:16,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:34:57,902 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:34:59,066 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:34:59,066 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 03:34:59,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:59 BoogieIcfgContainer [2023-12-03 03:34:59,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:34:59,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:34:59,068 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:34:59,076 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:34:59,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:59" (1/1) ... [2023-12-03 03:34:59,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:34:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-03 03:34:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-03 03:34:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:34:59,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:59,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:34:59,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:34:59,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:35:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:07,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:10,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:11,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:11,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:35:17,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:20,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:21,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:25,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-03 03:35:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-03 03:35:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:35:25,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:25,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:25,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:25,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:25,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:35:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:33,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:35,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:35,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:36,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:35:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-03 03:35:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-03 03:35:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:35:37,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:37,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:37,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:37,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:37,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:35:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:46,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:48,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:48,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:48,727 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:35:48,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:35:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-03 03:35:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-03 03:35:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:35:48,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:48,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:48,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:48,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:35:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:57,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:59,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 2625 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:59,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 03:36:02,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:03,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:05,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-03 03:36:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-03 03:36:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:36:05,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:05,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:05,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:05,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:05,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:36:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:13,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:16,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:16,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:16,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:36:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 286 transitions. [2023-12-03 03:36:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 286 transitions. [2023-12-03 03:36:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:36:18,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:18,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:18,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:36:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:27,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:29,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 2653 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:29,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:36:30,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:36:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:35,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-03 03:36:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-03 03:36:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:36:35,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:35,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:35,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:35,821 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:35,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:36:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:44,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:47,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:47,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:48,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:36:51,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:52,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-03 03:36:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-03 03:36:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:36:55,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:55,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:55,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:55,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:37:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:05,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:37:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:08,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:37:08,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:09,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:37:11,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:12,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-03 03:37:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-03 03:37:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:37:14,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:14,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:37:14,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:37:14,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:37:14,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:37:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:23,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:37:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:26,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:37:26,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:37:27,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:37:31,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:43,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:37:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:37:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:37:46,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:46,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:37:46,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:37:46,734 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:37:46,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:37:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:56,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:37:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:58,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:37:58,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:38:00,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:38:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:38:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:38:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:38:02,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:02,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:02,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:02,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:02,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:38:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:11,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:38:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:13,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:13,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:38:14,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:38:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:38:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:38:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:38:14,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:14,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:14,735 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:38:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:23,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:38:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:26,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:26,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:38:27,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:38:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:38:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:38:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:38:27,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:27,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:27,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:27,176 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:38:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:37,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:38:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:39,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:39,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:38:40,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:38:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:38:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:38:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:38:40,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:40,530 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:40,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:38:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:49,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:38:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:52,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:52,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:38:53,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:38:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:38:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:38:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:38:53,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:53,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:53,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:53,131 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:53,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:39:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:02,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:05,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:39:05,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:05,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:05,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:39:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:39:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:39:05,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:39:05,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:05,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:05,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:05,964 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:05,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:39:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:15,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:17,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:39:17,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:18,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:39:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:39:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:39:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:39:18,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:18,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:18,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:18,652 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:39:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:28,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:31,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:39:31,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:32,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:39:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:39:32,265 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:39:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:39:32,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:32,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:32,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:32,267 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:32,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:39:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:41,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:44,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:39:44,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:44,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:39:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:39:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:39:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:39:44,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:44,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:44,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:44,820 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:39:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:54,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:56,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:39:57,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:57,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:39:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:39:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:39:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:39:57,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:57,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:57,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:57,790 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:57,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:40:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:08,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:40:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:11,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:40:11,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:40:11,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:40:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:40:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:40:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:40:11,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:11,895 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:11,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:40:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:21,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:40:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:24,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:40:24,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:40:24,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:40:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:40:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:40:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:40:24,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:24,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:24,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:24,829 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:40:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:34,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:40:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:37,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:40:37,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:40:38,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:40:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:40:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:40:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:40:38,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:38,081 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:40:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:48,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:40:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:50,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:40:50,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:40:51,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:40:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:40:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:40:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:40:51,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:51,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:51,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:51,479 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:51,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:41:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:01,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:03,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:03,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:41:04,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:41:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:41:04,382 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:41:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:41:04,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:04,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:04,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:04,385 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:04,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:41:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:14,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:16,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:16,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:41:17,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:41:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:41:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:41:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:41:17,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:17,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:17,436 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:17,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:41:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:27,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:29,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:29,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:41:30,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:41:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:41:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:41:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:41:30,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:30,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:30,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:30,745 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:30,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:41:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:40,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:43,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:43,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:41:43,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:41:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:41:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:41:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:41:43,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:43,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:43,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:43,962 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:43,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:41:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:54,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:56,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:56,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:41:57,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:41:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:41:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:41:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:41:57,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:57,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:57,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:57,379 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:57,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:42:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:07,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:10,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:10,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:42:10,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:42:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:42:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:42:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:42:10,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:10,821 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:10,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:42:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:20,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:23,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:23,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:42:24,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:42:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:42:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:42:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:42:24,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:24,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:24,214 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:24,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:42:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:34,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:36,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:36,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:42:37,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:42:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:42:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:42:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:42:37,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:37,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:37,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:37,805 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:37,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:42:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:48,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:50,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:50,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:42:51,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:42:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:42:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:42:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:42:51,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:51,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:51,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:51,492 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:43:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:01,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:04,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:04,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:43:04,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:43:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:43:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:43:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:43:04,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:04,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:04,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:04,923 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:04,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:43:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:17,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:17,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:43:18,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:43:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:43:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:43:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:43:18,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:18,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:18,626 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:18,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:43:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:29,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:31,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:31,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:43:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:43:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:43:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:43:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:43:32,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:32,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:32,713 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:32,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:43:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:43,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:45,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:45,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:43:46,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:43:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:43:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:43:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:43:46,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:46,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:46,586 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:46,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:43:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:57,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:00,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:44:00,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:44:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:44:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:44:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:44:00,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:00,837 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:00,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:44:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:13,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:13,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:44:14,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:44:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:44:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:44:14,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:44:14,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:14,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:14,767 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:44:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:25,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:28,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:28,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:44:28,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:44:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:44:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:44:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:44:28,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:28,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:28,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:28,970 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:28,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:44:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:40,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:42,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:42,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:44:43,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:44:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:44:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:44:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:44:43,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:43,806 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:43,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:44:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:54,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:57,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:57,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:44:58,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:44:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:44:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:44:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:44:58,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:58,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:58,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:58,112 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:58,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:45:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:09,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:12,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:12,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:45:13,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:45:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:45:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:45:13,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:13,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:13,597 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:13,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:45:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:28,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:45:29,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:45:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:29,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:45:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:45:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:45:29,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:29,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:29,427 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:29,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:45:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:41,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:44,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:44,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:45:45,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:45:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:45:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:45:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:45:45,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:45,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:45,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:45,611 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:45,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:45:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:58,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:01,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:01,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:46:02,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:46:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:46:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:46:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:46:02,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:02,333 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:46:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:14,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:17,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:17,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:46:18,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:46:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:46:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:46:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:46:18,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:18,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:18,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:18,686 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:18,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:46:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:32,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:32,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:46:33,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:46:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:46:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:46:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:46:33,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:33,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:33,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:33,819 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:33,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:46:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:46,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:46:49,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:46:50,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:46:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:46:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:46:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:46:50,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:50,181 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:50,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:47:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:02,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:05,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:05,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:47:06,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:47:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:47:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:47:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:47:06,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:06,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:06,705 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:06,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:47:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:19,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:22,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:22,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:47:23,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:47:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:47:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:47:23,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:23,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:23,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:23,111 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:23,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:47:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:34,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:37,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:37,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:47:38,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:47:38,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:47:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:47:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:47:38,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:38,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:38,207 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:47:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:51,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:47:51,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:47:52,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:47:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:47:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:47:52,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:52,786 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:48:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:05,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:07,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:07,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:48:08,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:48:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:48:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:48:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:48:08,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:08,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:08,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:08,559 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:08,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:48:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:20,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:22,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:22,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:48:23,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:48:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-03 03:48:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-03 03:48:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:48:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:23,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:23,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:23,428 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:23,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce24fa3a-ff0a-4eb2-a317-1c361a59f06d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:48:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:35,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat