./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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:13:29,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:13:29,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:13:29,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:13:29,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:13:29,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:13:29,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:13:29,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:13:29,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:13:29,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:13:29,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:13:29,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:13:29,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:13:29,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:13:29,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:13:29,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:13:29,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:13:29,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:13:29,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:13:29,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:13:29,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:13:29,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:13:29,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:13:29,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:13:29,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:13:29,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:13:29,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:13:29,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:13:29,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:13:29,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:13:29,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:13:29,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:13:29,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:13:29,638 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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:13:30,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:13:30,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:13:30,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:13:30,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:13:30,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:13:30,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-25 02:13:33,423 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/9528e59f2/aa4627af641d4f7cb41565cf7fc48c4d/FLAGa468abe9a [2024-11-25 02:13:33,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:13:33,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-25 02:13:33,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/9528e59f2/aa4627af641d4f7cb41565cf7fc48c4d/FLAGa468abe9a [2024-11-25 02:13:33,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/9528e59f2/aa4627af641d4f7cb41565cf7fc48c4d [2024-11-25 02:13:33,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:13:33,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:13:33,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:13:33,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:13:33,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:13:33,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:13:33" (1/1) ... [2024-11-25 02:13:33,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21281006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:33, skipping insertion in model container [2024-11-25 02:13:33,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:13:33" (1/1) ... [2024-11-25 02:13:33,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:13:34,110 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-25 02:13:34,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9a8bf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:34, skipping insertion in model container [2024-11-25 02:13:34,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:13:34,112 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-25 02:13:34,114 INFO L158 Benchmark]: Toolchain (without parser) took 275.09ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:13:34,118 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:13:34,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.14ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:13:34,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.14ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.0MB in the end (delta: 9.1MB). 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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:13:37,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:13:37,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:13:37,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:13:37,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:13:37,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:13:37,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:13:37,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:13:37,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:13:37,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:13:37,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:13:37,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:13:37,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:13:37,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:13:37,546 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:13:37,546 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:13:37,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:13:37,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:13:37,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:13:37,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:13:37,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:13:37,547 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:13:37,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:13:37,547 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:13:37,547 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_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:13:37,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:13:37,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:13:37,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:13:37,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:13:37,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:13:37,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-25 02:13:41,637 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/6c0b7925c/37cc6ba8866b4080a49feb9004a66664/FLAG731bba649 [2024-11-25 02:13:42,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:13:42,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c [2024-11-25 02:13:42,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/6c0b7925c/37cc6ba8866b4080a49feb9004a66664/FLAG731bba649 [2024-11-25 02:13:42,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/data/6c0b7925c/37cc6ba8866b4080a49feb9004a66664 [2024-11-25 02:13:42,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:13:42,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:13:42,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:13:42,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:13:42,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:13:42,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d6c2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42, skipping insertion in model container [2024-11-25 02:13:42,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:13:42,439 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_8ed03613-344a-42ca-86bb-db27a14901b7/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-25 02:13:42,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:13:42,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:13:42,508 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_8ed03613-344a-42ca-86bb-db27a14901b7/sv-benchmarks/c/float-newlib/double_req_bl_0730c.c[3223,3236] [2024-11-25 02:13:42,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:13:42,541 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:13:42,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42 WrapperNode [2024-11-25 02:13:42,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:13:42,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:13:42,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:13:42,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:13:42,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,621 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2024-11-25 02:13:42,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:13:42,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:13:42,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:13:42,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:13:42,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,670 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:13:42,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:13:42,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:13:42,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:13:42,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:13:42" (1/1) ... [2024-11-25 02:13:42,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:13:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:13:42,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:13:42,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:13:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:13:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-25 02:13:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-25 02:13:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:13:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:13:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 02:13:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:13:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:13:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 02:13:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:13:42,932 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:13:42,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:13:51,811 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-25 02:13:51,811 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:13:52,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:13:52,104 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-25 02:13:52,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:13:52 BoogieIcfgContainer [2024-11-25 02:13:52,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:13:52,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:13:52,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:13:52,118 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:13:52,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:13:52" (1/1) ... [2024-11-25 02:13:52,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:13:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:13:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-25 02:13:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-25 02:13:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:13:52,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:13:52,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:13:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:13:52,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:13:52,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:13:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:13:52,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:13:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:13:52,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:13:52,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:13:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:13:52,583 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:13:52,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 02:13:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:13:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 02:13:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 02:13:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:13:52,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:13:52,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:13:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:13:52,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:13:52,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:13:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:13:53,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:13:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:13:53,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:13:53,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:13:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:13:53,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:13:59,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:13:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:13:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 02:13:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 02:13:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:13:59,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:13:59,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:13:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:13:59,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:13:59,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:14:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:00,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:00,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:14:00,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:00,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 02:14:04,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:08,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:18,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:14:26,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:14:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-25 02:14:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-25 02:14:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:14:26,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:26,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:26,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:14:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:27,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:27,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:14:27,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:28,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:14:30,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 02:14:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-25 02:14:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-25 02:14:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:14:31,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:31,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:31,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:14:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:31,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:31,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:14:31,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:31,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:14:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-25 02:14:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-25 02:14:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:14:31,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:31,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:31,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:31,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:31,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:14:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:32,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:32,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:14:32,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:33,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:14:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-25 02:14:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-25 02:14:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:14:35,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:35,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:35,294 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:35,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:14:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:35,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:35,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:14:35,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:35,682 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:14:35,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:14:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-25 02:14:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-25 02:14:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:14:36,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:36,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:36,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:36,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:14:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:36,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:36,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:14:36,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:14:36,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:14:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2024-11-25 02:14:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-11-25 02:14:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:14:37,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:37,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:37,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:37,366 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:14:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:37,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:37,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:14:37,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:14:38,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:14:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2024-11-25 02:14:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-11-25 02:14:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 02:14:47,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:47,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:47,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:47,385 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:47,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:14:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:47,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:47,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:14:47,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:14:49,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:14:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-25 02:14:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-25 02:14:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:14:55,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:55,917 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:55,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:14:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:14:56,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:14:56,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:14:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-25 02:14:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-25 02:14:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:14:56,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:56,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:56,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:56,623 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:56,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:14:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:56,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:14:56,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:14:57,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:14:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-11-25 02:14:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-25 02:14:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:14:59,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:59,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:59,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:59,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:59,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:14:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:59,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:00,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:15:00,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:00,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:15:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-11-25 02:15:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-25 02:15:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:15:03,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:03,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:03,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:03,595 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:03,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:15:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:03,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:03,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:15:03,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:04,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:15:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-25 02:15:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-25 02:15:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:15:07,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:07,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:07,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:07,493 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:07,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:15:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:07,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:07,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:15:07,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:08,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:15:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-11-25 02:15:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-25 02:15:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:15:11,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:11,749 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:11,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:15:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:11,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:12,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:15:12,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:12,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 02:15:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2024-11-25 02:15:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-25 02:15:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:15:15,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:15,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:15,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:15,979 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:15,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:15:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:16,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:16,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:15:16,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:17,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:15:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-11-25 02:15:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-25 02:15:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:15:20,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:20,492 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:20,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:15:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:20,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:20,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:15:20,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:21,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:15:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-11-25 02:15:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-11-25 02:15:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:15:25,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:25,126 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:25,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:15:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:25,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:25,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:15:25,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:26,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 02:15:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2024-11-25 02:15:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-25 02:15:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:15:30,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:30,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:30,204 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:30,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:15:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:30,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:30,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:15:30,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:31,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:15:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2024-11-25 02:15:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2024-11-25 02:15:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:15:35,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:35,392 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:35,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:15:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:35,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:35,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:15:35,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:36,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:15:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 02:15:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 02:15:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 02:15:40,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:40,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:40,368 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:40,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:15:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:40,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:40,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:15:40,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:41,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:15:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2024-11-25 02:15:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-25 02:15:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:15:46,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:46,207 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:46,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:15:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:46,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:46,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:15:46,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:47,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:15:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2024-11-25 02:15:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-25 02:15:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:15:52,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:52,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:52,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:52,272 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:52,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:15:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:52,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:52,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 02:15:52,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:15:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:15:53,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 02:15:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2024-11-25 02:15:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-25 02:15:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:15:58,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:58,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:15:58,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:15:58,536 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:15:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:15:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:58,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:15:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:58,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:15:58,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:00,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 02:16:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2024-11-25 02:16:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-25 02:16:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 02:16:04,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:04,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:04,976 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:04,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:16:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:05,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:05,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:16:05,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:07,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:16:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2024-11-25 02:16:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-25 02:16:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:16:12,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:12,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:12,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:12,518 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:12,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:16:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:12,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:13,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:16:13,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:14,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:16:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2024-11-25 02:16:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-25 02:16:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 02:16:20,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:20,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:20,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:20,424 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:20,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:16:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:20,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:21,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:16:21,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:22,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 02:16:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2024-11-25 02:16:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-25 02:16:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 02:16:27,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:27,801 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:27,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:16:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:28,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:28,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:16:28,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:29,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 02:16:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2024-11-25 02:16:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-25 02:16:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:16:35,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:35,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:35,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:35,106 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:35,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:16:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:35,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:35,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:16:35,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:37,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:16:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2024-11-25 02:16:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-25 02:16:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 02:16:43,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:43,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:43,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:43,077 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:43,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:16:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:43,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:43,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:16:43,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:45,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:16:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2024-11-25 02:16:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-25 02:16:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:16:51,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:51,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:51,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:51,338 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:51,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:16:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:51,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:16:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:51,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 02:16:51,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:16:53,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:17:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2024-11-25 02:17:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-11-25 02:17:00,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 02:17:00,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:00,407 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:00,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:17:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:00,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:01,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:17:01,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:17:02,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:17:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2024-11-25 02:17:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-11-25 02:17:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:17:09,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:09,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:09,681 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:17:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:10,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:10,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:17:10,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:12,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 02:17:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 91 transitions. [2024-11-25 02:17:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-11-25 02:17:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:17:17,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:17,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:17,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:17,159 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:17,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 02:17:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:17,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:17,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:17:17,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-25 02:17:25,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2024-11-25 02:17:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2024-11-25 02:17:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:17:25,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:25,281 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:25,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 02:17:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:25,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:26,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:17:26,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:28,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 02:17:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-25 02:17:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-25 02:17:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:17:32,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:32,920 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:32,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 02:17:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:33,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:33,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:17:33,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:36,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 02:17:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2024-11-25 02:17:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-25 02:17:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 02:17:40,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:40,550 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:40,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 02:17:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:41,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:41,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:17:41,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:43,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-25 02:17:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2024-11-25 02:17:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2024-11-25 02:17:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 02:17:48,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:48,499 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:48,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 02:17:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:49,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:49,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:17:49,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:17:51,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 02:17:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2024-11-25 02:17:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2024-11-25 02:17:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 02:17:57,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:57,300 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:57,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 02:17:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:57,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:58,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:17:58,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:00,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 02:18:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2024-11-25 02:18:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2024-11-25 02:18:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 02:18:04,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:04,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:04,911 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 02:18:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:05,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:05,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:18:05,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:07,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 02:18:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2024-11-25 02:18:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-11-25 02:18:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:18:12,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:12,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:12,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:12,253 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:12,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 02:18:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:12,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:12,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:18:12,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:15,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 02:18:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 68 states and 107 transitions. [2024-11-25 02:18:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2024-11-25 02:18:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 02:18:19,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:19,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:19,769 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:19,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 02:18:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:20,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:20,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:18:20,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:21,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 02:18:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 109 transitions. [2024-11-25 02:18:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2024-11-25 02:18:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 02:18:24,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:24,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:24,124 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:24,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 02:18:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:24,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:24,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 02:18:24,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:25,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 02:18:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2024-11-25 02:18:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2024-11-25 02:18:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 02:18:29,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:29,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:29,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:29,315 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:29,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 02:18:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:29,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:30,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:18:30,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:30,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 02:18:34,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:18:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2024-11-25 02:18:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2024-11-25 02:18:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-25 02:18:34,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:34,942 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:34,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 02:18:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:35,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:35,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:18:35,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:36,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 02:18:40,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:18:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:40,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 115 transitions. [2024-11-25 02:18:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 115 transitions. [2024-11-25 02:18:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 02:18:40,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:40,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:40,305 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:40,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 02:18:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:40,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:41,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:18:41,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-25 02:18:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 117 transitions. [2024-11-25 02:18:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 117 transitions. [2024-11-25 02:18:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:18:45,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:45,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:45,345 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:45,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 02:18:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:46,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:46,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:18:46,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:47,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 02:18:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 74 states and 119 transitions. [2024-11-25 02:18:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2024-11-25 02:18:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 02:18:51,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:51,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:51,173 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:51,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 02:18:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:51,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:52,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:18:52,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:53,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 02:18:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2024-11-25 02:18:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-11-25 02:18:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 02:18:56,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:56,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:56,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:56,963 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:56,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 02:18:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:57,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:58,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:18:58,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:18:58,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 02:19:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2024-11-25 02:19:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2024-11-25 02:19:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 02:19:02,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:02,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:02,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:02,379 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:02,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 02:19:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:03,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:03,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:19:03,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:04,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 02:19:08,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:19:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 125 transitions. [2024-11-25 02:19:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2024-11-25 02:19:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:19:09,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:09,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:09,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:09,313 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:09,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 02:19:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:10,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:10,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 02:19:10,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:11,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-25 02:19:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 127 transitions. [2024-11-25 02:19:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-11-25 02:19:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 02:19:15,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:15,402 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 02:19:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:16,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:16,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:19:16,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:17,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-25 02:19:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2024-11-25 02:19:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2024-11-25 02:19:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 02:19:20,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:20,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:20,893 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 02:19:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:21,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:22,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 02:19:22,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:22,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 02:19:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2024-11-25 02:19:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2024-11-25 02:19:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 02:19:27,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:27,034 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:27,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 02:19:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:27,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:28,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:19:28,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:29,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 02:19:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2024-11-25 02:19:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2024-11-25 02:19:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-25 02:19:33,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:33,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:33,704 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:33,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 02:19:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:34,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:34,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:19:34,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:36,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 02:19:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2024-11-25 02:19:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2024-11-25 02:19:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 02:19:40,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:40,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:40,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:40,700 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 02:19:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:41,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:42,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:19:42,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:43,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 02:19:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2024-11-25 02:19:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2024-11-25 02:19:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-25 02:19:48,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:48,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:48,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:48,366 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:48,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 02:19:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:49,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:49,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 02:19:49,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:50,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-25 02:19:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2024-11-25 02:19:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2024-11-25 02:19:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 02:19:55,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:55,647 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 02:19:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:56,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:57,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 02:19:57,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:19:58,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 02:20:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2024-11-25 02:20:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2024-11-25 02:20:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 02:20:03,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:03,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:03,166 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:03,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 02:20:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:04,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:04,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 02:20:04,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:20:05,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 02:20:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2024-11-25 02:20:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2024-11-25 02:20:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-25 02:20:10,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:10,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:10,768 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 02:20:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:11,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:12,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 02:20:12,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:20:13,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-25 02:20:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 145 transitions. [2024-11-25 02:20:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2024-11-25 02:20:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-25 02:20:17,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:17,074 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:17,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 02:20:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:18,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:18,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:20:18,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:20:19,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 02:20:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2024-11-25 02:20:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2024-11-25 02:20:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-25 02:20:24,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:24,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:24,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:24,373 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:24,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 02:20:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:25,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:26,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 02:20:26,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:20:27,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 02:20:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2024-11-25 02:20:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2024-11-25 02:20:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-25 02:20:32,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:32,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:32,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:32,572 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:32,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 02:20:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:33,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:34,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 02:20:34,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-25 02:20:35,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 02:20:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 151 transitions. [2024-11-25 02:20:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2024-11-25 02:20:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 02:20:40,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:40,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:40,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:40,193 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 02:20:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:42,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:42,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:20:42,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-11-25 02:20:48,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-25 02:21:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-25 02:21:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-25 02:21:01,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:21:01,705 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2024-11-25 02:21:01,711 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:21:02,178 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|))))) [2024-11-25 02:21:02,178 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|)) [2024-11-25 02:21:02,179 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|))))) [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L52-3(lines 52 53) no Hoare annotation was computed. [2024-11-25 02:21:02,179 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 143 161) the Hoare annotation is: true [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L46(lines 46 57) no Hoare annotation was computed. [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2024-11-25 02:21:02,179 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:21:02,179 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|))))) [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2024-11-25 02:21:02,179 INFO L75 FloydHoareUtils]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2024-11-25 02:21:02,180 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|))))) [2024-11-25 02:21:02,180 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))) [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2024-11-25 02:21:02,180 INFO L77 FloydHoareUtils]: At program point L155-2(lines 155 158) the Hoare annotation is: |ULTIMATE.start_main_#t~short11#1| [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L122-2(lines 122 127) no Hoare annotation was computed. [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L122-4(lines 122 127) no Hoare annotation was computed. [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L156(line 156) no Hoare annotation was computed. [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L41(lines 41 42) no Hoare annotation was computed. [2024-11-25 02:21:02,180 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|) [2024-11-25 02:21:02,180 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:21:02,180 INFO L75 FloydHoareUtils]: For program point L84-3(lines 84 100) no Hoare annotation was computed. [2024-11-25 02:21:02,181 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|))) [2024-11-25 02:21:02,181 INFO L77 FloydHoareUtils]: At program point L134-2(lines 134 138) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|) [2024-11-25 02:21:02,181 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|))) [2024-11-25 02:21:02,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-25 02:21:02,192 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-25 02:21:02,193 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-25 02:21:02,195 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-25 02:21:02,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:21:02 ImpRootNode [2024-11-25 02:21:02,196 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:21:02,197 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:21:02,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:21:02,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:21:02,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:13:52" (3/4) ... [2024-11-25 02:21:02,201 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:21:02,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-25 02:21:02,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-25 02:21:02,211 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:21:02,211 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:21:02,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:21:02,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:21:02,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:21:02,302 INFO L158 Benchmark]: Toolchain (without parser) took 440242.63ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.3MB in the beginning and 42.3MB in the end (delta: 50.0MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-25 02:21:02,303 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:02,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.97ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:21:02,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.42ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:02,305 INFO L158 Benchmark]: Boogie Preprocessor took 74.64ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:21:02,306 INFO L158 Benchmark]: RCFGBuilder took 9401.47ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 76.9MB in the end (delta: -2.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-25 02:21:02,306 INFO L158 Benchmark]: CodeCheck took 430090.63ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 76.9MB in the beginning and 47.6MB in the end (delta: 29.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-11-25 02:21:02,307 INFO L158 Benchmark]: Witness Printer took 104.36ms. Allocated memory is still 142.6MB. Free memory was 47.6MB in the beginning and 42.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:21:02,308 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: 429.6s, 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, 2791.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3204 mSDsluCounter, 3485 SdHoareTripleChecker+Invalid, 2709.7s 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, 1.3s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27816 GetRequests, 27523 SyntacticMatches, 9 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 31555 ImplicationChecksByTransitivity, 278.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.6s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 78.9s 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 0.59ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.97ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.42ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.64ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 9401.47ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 76.9MB in the end (delta: -2.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * CodeCheck took 430090.63ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 76.9MB in the beginning and 47.6MB in the end (delta: 29.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 104.36ms. Allocated memory is still 142.6MB. Free memory was 47.6MB in the beginning and 42.3MB in the end (delta: 5.3MB). 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! [2024-11-25 02:21:02,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed03613-344a-42ca-86bb-db27a14901b7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE