./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b --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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:24:11,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:24:11,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:24:11,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:24:11,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:24:11,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:24:11,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:24:11,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:24:11,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:24:11,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:24:11,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:24:11,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:24:11,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:24:11,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:24:11,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:24:11,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:24:11,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:24:11,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b 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 -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2024-12-06 04:24:11,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:24:11,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:24:11,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:24:11,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:24:11,701 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:24:11,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-12-06 04:24:14,349 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/104dfbe90/dd5c72ca4e314de484e00fd250a1f0f4/FLAG96481c6c3 [2024-12-06 04:24:14,574 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:24:14,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-12-06 04:24:14,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/104dfbe90/dd5c72ca4e314de484e00fd250a1f0f4/FLAG96481c6c3 [2024-12-06 04:24:14,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/104dfbe90/dd5c72ca4e314de484e00fd250a1f0f4 [2024-12-06 04:24:14,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:24:14,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:24:14,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:24:14,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:24:14,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:24:14,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:24:14" (1/1) ... [2024-12-06 04:24:14,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7996830d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:14, skipping insertion in model container [2024-12-06 04:24:14,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:24:14" (1/1) ... [2024-12-06 04:24:14,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:24:14,722 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 04:24:14,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12a7c0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:14, skipping insertion in model container [2024-12-06 04:24:14,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:24:14,723 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 04:24:14,724 INFO L158 Benchmark]: Toolchain (without parser) took 126.33ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 110.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:24:14,725 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:24:14,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 124.35ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 110.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:24:14,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 124.35ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 110.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11]: Unsupported Syntax floats in unions are not supported in the integer translation. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b --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 f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:24:16,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:24:16,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:24:16,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:24:16,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:24:16,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:24:16,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:24:16,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:24:16,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:24:16,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:24:16,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:16,531 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:24:16,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:24:16,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:24:16,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b 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 -> f8c3d6863785ed03feeabfa34c0c11607b9ab236b069ea505eed9d256d26078d [2024-12-06 04:24:16,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:24:16,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:24:16,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:24:16,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:24:16,764 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:24:16,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-12-06 04:24:19,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/2831c3258/37d9bc999e56402092460444f180f61d/FLAGc25c9ac9a [2024-12-06 04:24:19,602 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:24:19,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-12-06 04:24:19,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/2831c3258/37d9bc999e56402092460444f180f61d/FLAGc25c9ac9a [2024-12-06 04:24:19,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/data/2831c3258/37d9bc999e56402092460444f180f61d [2024-12-06 04:24:19,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:24:19,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:24:19,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:24:19,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:24:19,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:24:19,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:24:19" (1/1) ... [2024-12-06 04:24:19,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ea9666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:19, skipping insertion in model container [2024-12-06 04:24:19,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:24:19" (1/1) ... [2024-12-06 04:24:20,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:24:20,164 WARN L250 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_1924bf5b-75e7-4309-82ae-8f14a556f04d/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-12-06 04:24:20,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:24:20,179 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:24:20,207 WARN L250 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_1924bf5b-75e7-4309-82ae-8f14a556f04d/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-12-06 04:24:20,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:24:20,222 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:24:20,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20 WrapperNode [2024-12-06 04:24:20,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:24:20,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:24:20,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:24:20,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:24:20,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,257 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2024-12-06 04:24:20,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:24:20,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:24:20,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:24:20,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:24:20,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:24:20,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:24:20,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:24:20,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:24:20,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:24:20" (1/1) ... [2024-12-06 04:24:20,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:24:20,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:24:20,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:24:20,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:24:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:24:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:24:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:24:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:24:20,414 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:24:20,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:24:26,068 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-12-06 04:24:26,068 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:24:26,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:24:26,205 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-06 04:24:26,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:24:26 BoogieIcfgContainer [2024-12-06 04:24:26,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:24:26,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:24:26,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:24:26,215 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:24:26,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:24:26" (1/1) ... [2024-12-06 04:24:26,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:24:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-12-06 04:24:26,269 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-12-06 04:24:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:24:26,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:26,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:26,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:26,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:26,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:24:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:26,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:26,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:24:26,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:26,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:24:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 04:24:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 04:24:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:24:26,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:26,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:26,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:26,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:26,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:24:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:26,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:27,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:24:27,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:27,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:24:31,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:24:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 04:24:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 04:24:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:24:31,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:31,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:31,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:31,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:31,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:24:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:31,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:31,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:24:31,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:31,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:24:34,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:24:37,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:24:47,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:24:51,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:24:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-12-06 04:24:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-06 04:24:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:24:51,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:51,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:51,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:51,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:24:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:52,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:52,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:24:52,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:52,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:24:55,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:24:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-12-06 04:24:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-12-06 04:24:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:24:55,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:55,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:55,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:55,925 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:55,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:24:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:24:56,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:56,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:24:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 04:24:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 04:24:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:24:56,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:56,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:56,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:56,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:24:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:24:56,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:57,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:24:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:58,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-12-06 04:24:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-06 04:24:58,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:24:58,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:58,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:58,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:58,933 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:24:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:24:59,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:59,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:24:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-12-06 04:24:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-12-06 04:24:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:24:59,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:59,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:59,356 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:59,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:24:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:24:59,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:24:59,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:25:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2024-12-06 04:25:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-12-06 04:25:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 04:25:00,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:00,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:00,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:00,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:00,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:25:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:00,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:00,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:25:00,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:25:01,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:25:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2024-12-06 04:25:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-12-06 04:25:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 04:25:08,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:08,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:08,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:25:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:08,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:08,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:25:08,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:10,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:25:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-12-06 04:25:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-12-06 04:25:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:25:14,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:14,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:14,873 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:14,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:25:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:25:15,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:25:15,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:25:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-12-06 04:25:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-12-06 04:25:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:25:15,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:15,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:15,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:15,408 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:15,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:25:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:25:15,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:15,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:25:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-12-06 04:25:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-12-06 04:25:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:25:17,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:17,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:25:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:17,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:17,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:25:17,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:18,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:25:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-12-06 04:25:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-12-06 04:25:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:25:20,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:20,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:20,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:20,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:20,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:25:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:20,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:20,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:25:20,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:21,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:25:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-12-06 04:25:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-12-06 04:25:23,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 04:25:23,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:23,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:23,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:23,921 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:23,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:25:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:24,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:24,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:25:24,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:24,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:25:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-12-06 04:25:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-12-06 04:25:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 04:25:27,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:27,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:27,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:27,405 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:27,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:25:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:27,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:27,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:25:27,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:28,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:25:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2024-12-06 04:25:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-12-06 04:25:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:25:31,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:31,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:31,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:31,372 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:31,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:25:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:31,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:31,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:25:31,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:32,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:25:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-12-06 04:25:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-12-06 04:25:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:25:35,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:35,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:35,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:35,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:25:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:25:35,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:37,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:25:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-12-06 04:25:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-12-06 04:25:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:25:41,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:41,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:41,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:41,115 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:41,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 04:25:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:41,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:41,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:25:41,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:42,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 04:25:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-12-06 04:25:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-06 04:25:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:25:45,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:45,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:45,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:45,434 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:45,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 04:25:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:45,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:45,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 04:25:45,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:46,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 04:25:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2024-12-06 04:25:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2024-12-06 04:25:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 04:25:49,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:49,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:49,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:49,957 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:49,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 04:25:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:50,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:50,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:25:50,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:51,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 04:25:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-12-06 04:25:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-12-06 04:25:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 04:25:54,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:54,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:54,595 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 04:25:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:54,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:54,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:54,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:25:55,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 04:25:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2024-12-06 04:25:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-12-06 04:25:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:25:59,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:59,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:59,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:59,594 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:59,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 04:25:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:59,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:59,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:25:59,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:00,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 04:26:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2024-12-06 04:26:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-06 04:26:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:26:04,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:04,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:04,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:04,815 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:04,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 04:26:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:05,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:05,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:26:05,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:06,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 04:26:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2024-12-06 04:26:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-12-06 04:26:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:26:10,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:10,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:10,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:10,115 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:26:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:10,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:10,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:10,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:11,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 04:26:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2024-12-06 04:26:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-12-06 04:26:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:26:15,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:15,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:15,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:15,656 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:15,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:26:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:15,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:15,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:15,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:17,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 04:26:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2024-12-06 04:26:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-12-06 04:26:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:26:21,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:21,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:21,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:21,378 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:21,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 04:26:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:21,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:21,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 04:26:21,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:22,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 04:26:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2024-12-06 04:26:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-06 04:26:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:26:27,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:27,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:27,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:27,312 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:27,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 04:26:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:27,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:27,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:26:27,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:28,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 04:26:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2024-12-06 04:26:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-12-06 04:26:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:26:33,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:33,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:33,573 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:33,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 04:26:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:33,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:34,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 04:26:34,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:35,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 04:26:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2024-12-06 04:26:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-12-06 04:26:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 04:26:40,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:40,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:40,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:40,055 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:40,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 04:26:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:40,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:40,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:26:40,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:41,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 04:26:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2024-12-06 04:26:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-06 04:26:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:26:46,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:46,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:46,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:46,666 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:46,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 04:26:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:46,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:47,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 04:26:47,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:48,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 04:26:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2024-12-06 04:26:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-12-06 04:26:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:53,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:53,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:53,550 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:53,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 04:26:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:53,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:53,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 04:26:53,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:26:55,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 04:27:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2024-12-06 04:27:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-12-06 04:27:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 04:27:00,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:00,606 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:00,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:27:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:00,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:01,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:27:01,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:27:02,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 04:27:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2024-12-06 04:27:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-12-06 04:27:07,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 04:27:07,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:07,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:07,899 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:07,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:27:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:08,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:08,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:27:08,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:09,901 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:09,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 04:27:13,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 91 transitions. [2024-12-06 04:27:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-12-06 04:27:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:27:13,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:13,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:13,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:13,645 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:13,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 04:27:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:13,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:14,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:27:14,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:15,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 04:27:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2024-12-06 04:27:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2024-12-06 04:27:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:27:19,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:19,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:19,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:19,009 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:19,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 04:27:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:19,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:19,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:27:19,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:21,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 04:27:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-12-06 04:27:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-12-06 04:27:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:27:24,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:24,737 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:24,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 04:27:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:25,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:25,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:27:25,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:27,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 04:27:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2024-12-06 04:27:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-12-06 04:27:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:27:31,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:31,187 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:31,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 04:27:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:31,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:31,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:27:31,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:33,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 04:27:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2024-12-06 04:27:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2024-12-06 04:27:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 04:27:38,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:38,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:38,613 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:38,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 04:27:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:39,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:39,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:27:39,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:40,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 04:27:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2024-12-06 04:27:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2024-12-06 04:27:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 04:27:44,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:44,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:44,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:44,447 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:44,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 04:27:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:44,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:44,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 04:27:44,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:46,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 04:27:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-12-06 04:27:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-12-06 04:27:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 04:27:50,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:50,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:50,410 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:50,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 04:27:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:50,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:50,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:27:50,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:52,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 04:27:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2024-12-06 04:27:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-12-06 04:27:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 04:27:56,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:56,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:56,518 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:56,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 04:27:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:56,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:57,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:57,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:27:58,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 04:28:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 68 states and 107 transitions. [2024-12-06 04:28:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2024-12-06 04:28:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 04:28:02,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:02,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:02,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:02,807 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:02,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 04:28:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:03,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:03,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:28:03,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:03,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 04:28:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 109 transitions. [2024-12-06 04:28:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2024-12-06 04:28:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 04:28:06,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:06,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:06,385 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:06,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 04:28:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:06,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:06,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:28:06,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:07,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 04:28:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2024-12-06 04:28:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2024-12-06 04:28:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 04:28:10,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:10,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:10,056 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:10,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 04:28:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:10,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:10,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:10,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:11,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 04:28:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2024-12-06 04:28:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2024-12-06 04:28:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 04:28:14,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:14,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:14,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:14,174 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:14,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 04:28:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:14,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:14,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:14,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:15,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 04:28:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 115 transitions. [2024-12-06 04:28:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 115 transitions. [2024-12-06 04:28:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 04:28:17,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:17,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:17,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:17,989 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:17,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 04:28:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:18,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:18,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 04:28:18,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:19,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 04:28:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 117 transitions. [2024-12-06 04:28:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 117 transitions. [2024-12-06 04:28:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-06 04:28:21,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:21,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:21,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:21,882 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:21,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 04:28:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:22,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:22,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:28:22,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:23,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 04:28:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 74 states and 119 transitions. [2024-12-06 04:28:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2024-12-06 04:28:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 04:28:26,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:26,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:26,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:26,282 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 04:28:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:26,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:26,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 04:28:26,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:27,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 04:28:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2024-12-06 04:28:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-12-06 04:28:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 04:28:30,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:30,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:30,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:30,406 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:30,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 04:28:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:30,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:31,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:28:31,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:31,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 04:28:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2024-12-06 04:28:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2024-12-06 04:28:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 04:28:34,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:34,470 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:34,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 04:28:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:34,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:35,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 04:28:35,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:35,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 04:28:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 125 transitions. [2024-12-06 04:28:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2024-12-06 04:28:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 04:28:38,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:38,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:38,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:38,859 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:38,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 04:28:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:39,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:39,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 04:28:39,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:40,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 04:28:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 127 transitions. [2024-12-06 04:28:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-12-06 04:28:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 04:28:43,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:43,215 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 04:28:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:43,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:43,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:28:43,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:44,622 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:44,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 04:28:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2024-12-06 04:28:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2024-12-06 04:28:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 04:28:48,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:48,012 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:48,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 04:28:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:48,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:48,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 04:28:48,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:49,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 04:28:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2024-12-06 04:28:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2024-12-06 04:28:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 04:28:52,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:52,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:52,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:52,501 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:52,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 04:28:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:53,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:53,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 04:28:53,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:54,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 04:28:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2024-12-06 04:28:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2024-12-06 04:28:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 04:28:57,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:57,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:57,068 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:57,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 04:28:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:57,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:57,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 04:28:57,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:28:58,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 04:29:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2024-12-06 04:29:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2024-12-06 04:29:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-06 04:29:01,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:01,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:01,857 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:01,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 04:29:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:02,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:02,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:29:02,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:03,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 04:29:06,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2024-12-06 04:29:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2024-12-06 04:29:06,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 04:29:06,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:06,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:06,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:06,673 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 04:29:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:07,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:07,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 04:29:07,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:08,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 04:29:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2024-12-06 04:29:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2024-12-06 04:29:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 04:29:11,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:11,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:11,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:11,584 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 04:29:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:12,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:12,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 04:29:12,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:13,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 04:29:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2024-12-06 04:29:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2024-12-06 04:29:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 04:29:16,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:16,520 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 04:29:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:17,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:17,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:29:17,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:18,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 04:29:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2024-12-06 04:29:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2024-12-06 04:29:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-06 04:29:22,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:22,236 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:22,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 04:29:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:22,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:23,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 04:29:23,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:24,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 04:29:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 145 transitions. [2024-12-06 04:29:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2024-12-06 04:29:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 04:29:28,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:28,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:28,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:28,319 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 04:29:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:29,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:29,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 04:29:29,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:30,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 04:29:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2024-12-06 04:29:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2024-12-06 04:29:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 04:29:34,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:34,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:34,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:34,150 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:34,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 04:29:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:34,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:35,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 04:29:35,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:35,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 04:29:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2024-12-06 04:29:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2024-12-06 04:29:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 04:29:39,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:39,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:39,386 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:39,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 04:29:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:39,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:40,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 04:29:40,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-06 04:29:41,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 04:29:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 151 transitions. [2024-12-06 04:29:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2024-12-06 04:29:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 04:29:45,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:45,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:45,715 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:45,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 04:29:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:47,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:47,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:29:47,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-12-06 04:29:52,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 04:30:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-12-06 04:30:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-12-06 04:30:04,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:30:04,945 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2024-12-06 04:30:04,951 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:30:05,379 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 32) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-12-06 04:30:05,379 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|)) [2024-12-06 04:30:05,379 INFO L77 FloydHoareUtils]: At program point L27-4(lines 21 129) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-12-06 04:30:05,379 INFO L75 FloydHoareUtils]: For program point L52-3(lines 52 53) no Hoare annotation was computed. [2024-12-06 04:30:05,379 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 143 161) the Hoare annotation is: true [2024-12-06 04:30:05,379 INFO L75 FloydHoareUtils]: For program point L46(lines 46 57) no Hoare annotation was computed. [2024-12-06 04:30:05,379 INFO L75 FloydHoareUtils]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2024-12-06 04:30:05,379 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:30:05,380 INFO L77 FloydHoareUtils]: At program point L38(lines 38 43) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L77 FloydHoareUtils]: At program point L39(lines 39 42) the Hoare annotation is: (and (= (_ bv0 32) (bvadd |ULTIMATE.start___ieee754_sqrt_~sign~0#1| (_ bv2147483648 32))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_~x#1|) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= |ULTIMATE.start___ieee754_sqrt_~ix0~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_138| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_138|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_138|))) (= |ULTIMATE.start___ieee754_sqrt_~ix1~0#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_138|))))) [2024-12-06 04:30:05,380 INFO L77 FloydHoareUtils]: At program point L155(line 155) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short11#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53))) [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L77 FloydHoareUtils]: At program point L155-2(lines 155 158) the Hoare annotation is: |ULTIMATE.start_main_#t~short11#1| [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L122-2(lines 122 127) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L122-4(lines 122 127) no Hoare annotation was computed. [2024-12-06 04:30:05,380 INFO L75 FloydHoareUtils]: For program point L156(line 156) no Hoare annotation was computed. [2024-12-06 04:30:05,381 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2024-12-06 04:30:05,381 INFO L75 FloydHoareUtils]: For program point L41(lines 41 42) no Hoare annotation was computed. [2024-12-06 04:30:05,381 INFO L77 FloydHoareUtils]: At program point __ieee754_sqrt_returnLabel#1(lines 21 129) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___ieee754_sqrt_#res#1|) [2024-12-06 04:30:05,381 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:30:05,381 INFO L75 FloydHoareUtils]: For program point L84-3(lines 84 100) no Hoare annotation was computed. [2024-12-06 04:30:05,381 INFO L77 FloydHoareUtils]: At program point L134-1(lines 134 138) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|) |ULTIMATE.start___signbit_double_~msw~0#1|))) [2024-12-06 04:30:05,381 INFO L77 FloydHoareUtils]: At program point L134-2(lines 134 138) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|) [2024-12-06 04:30:05,381 INFO L77 FloydHoareUtils]: At program point L134-4(lines 134 138) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (_ +zero 11 53)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|) |ULTIMATE.start___signbit_double_~msw~0#1|))) [2024-12-06 04:30:05,388 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-12-06 04:30:05,390 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-12-06 04:30:05,391 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-12-06 04:30:05,392 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-06 04:30:05,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:30:05 ImpRootNode [2024-12-06 04:30:05,393 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:30:05,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:30:05,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:30:05,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:30:05,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:24:26" (3/4) ... [2024-12-06 04:30:05,397 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:30:05,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-12-06 04:30:05,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-06 04:30:05,405 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:30:05,405 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:30:05,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:30:05,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:30:05,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:30:05,486 INFO L158 Benchmark]: Toolchain (without parser) took 345497.59ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 69.6MB in the beginning and 62.9MB in the end (delta: 6.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-12-06 04:30:05,486 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:30:05,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.19ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:30:05,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.20ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:30:05,487 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 52.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:30:05,487 INFO L158 Benchmark]: RCFGBuilder took 5919.78ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 38.8MB in the end (delta: 13.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 04:30:05,488 INFO L158 Benchmark]: CodeCheck took 339187.08ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:30:05,488 INFO L158 Benchmark]: Witness Printer took 91.30ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 62.9MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:30:05,490 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 338.7s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 mSolverCounterUnknown, 6833 SdHoareTripleChecker+Valid, 2095.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3204 mSDsluCounter, 3485 SdHoareTripleChecker+Invalid, 2034.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1255 mSDsCounter, 21407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32799 IncrementalHoareTripleChecker+Invalid, 54269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21407 mSolverCounterUnsat, 2230 mSDtfsCounter, 32799 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27816 GetRequests, 27523 SyntacticMatches, 9 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 31555 ImplicationChecksByTransitivity, 229.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 63.4s InterpolantComputationTime, 2834 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 2769 ConstructedInterpolants, 15 QuantifiedInterpolants, 9069 SizeOfPredicates, 47 NumberOfNonLiveVariables, 12478 ConjunctsInSsa, 917 ConjunctsInUnsatCore, 65 InterpolantComputations, 13 PerfectInterpolantSequences, 8704/15931 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 156]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (0 == ((sign + -2147483648) % 4294967296)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.19ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 55.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.20ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 53.8MB in the beginning and 52.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5919.78ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 38.8MB in the end (delta: 13.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 339187.08ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.30ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 62.9MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-12-06 04:30:05,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1924bf5b-75e7-4309-82ae-8f14a556f04d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE