./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.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_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:31,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:31,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:38:31,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:38:31,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:38:31,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:31,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:31,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:31,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:31,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:31,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:31,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:31,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:31,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:31,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:31,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:38:31,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:38:31,814 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_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2024-12-06 00:38:32,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:32,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:32,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:32,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:32,062 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:32,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-12-06 00:38:34,745 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/8b077f971/47dde44c33df41ff99009de06b77b2ff/FLAG784b71b31 [2024-12-06 00:38:34,963 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:34,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-12-06 00:38:34,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/8b077f971/47dde44c33df41ff99009de06b77b2ff/FLAG784b71b31 [2024-12-06 00:38:34,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/8b077f971/47dde44c33df41ff99009de06b77b2ff [2024-12-06 00:38:34,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:34,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:34,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:34,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:34,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:34,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:34" (1/1) ... [2024-12-06 00:38:34,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39579be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:34, skipping insertion in model container [2024-12-06 00:38:34,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:34" (1/1) ... [2024-12-06 00:38:35,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:35,153 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 00:38:35,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a61736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:35, skipping insertion in model container [2024-12-06 00:38:35,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:35,154 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 00:38:35,156 INFO L158 Benchmark]: Toolchain (without parser) took 164.60ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 106.9MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:35,156 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:35,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.75ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 106.9MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:35,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.75ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 106.9MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9]: 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_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:36,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:37,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:38:37,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:37,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:37,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:37,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:37,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:37,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:37,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:37,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:38:37,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:37,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:37,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:38:37,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:37,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:37,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:37,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:37,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:37,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:38:37,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:37,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:38:37,037 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_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2024-12-06 00:38:37,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:37,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:37,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:37,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:37,286 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:37,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-12-06 00:38:40,039 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/2661ce4b4/abe0814a8f264e8b942204fe09e66fdc/FLAG772283780 [2024-12-06 00:38:40,254 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:40,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-12-06 00:38:40,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/2661ce4b4/abe0814a8f264e8b942204fe09e66fdc/FLAG772283780 [2024-12-06 00:38:40,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/data/2661ce4b4/abe0814a8f264e8b942204fe09e66fdc [2024-12-06 00:38:40,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:40,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:40,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:40,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:40,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:40,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61343bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40, skipping insertion in model container [2024-12-06 00:38:40,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:40,568 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_37298104-1c9b-484e-b061-d82908d9df3c/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-12-06 00:38:40,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:40,605 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:38:40,692 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_37298104-1c9b-484e-b061-d82908d9df3c/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-12-06 00:38:40,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:40,737 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:38:40,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40 WrapperNode [2024-12-06 00:38:40,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:40,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:40,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:38:40,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:38:40,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,804 INFO L138 Inliner]: procedures = 31, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1088 [2024-12-06 00:38:40,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:40,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:38:40,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:38:40,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:38:40,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,867 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:38:40,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:38:40,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:38:40,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:38:40,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:40" (1/1) ... [2024-12-06 00:38:40,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:38:40,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:38:40,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:38:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-12-06 00:38:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-12-06 00:38:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:38:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:38:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 00:38:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-12-06 00:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-12-06 00:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-12-06 00:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:38:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:38:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:38:41,106 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:38:41,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:40:49,120 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-12-06 00:40:49,120 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:40:49,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:40:49,373 INFO L312 CfgBuilder]: Removed 40 assume(true) statements. [2024-12-06 00:40:49,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:40:49 BoogieIcfgContainer [2024-12-06 00:40:49,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:40:49,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:40:49,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:40:49,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:40:49,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:40:49" (1/1) ... [2024-12-06 00:40:49,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:40:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:40:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2024-12-06 00:40:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2024-12-06 00:40:49,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:40:49,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:40:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:40:49,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:40:49,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:40:49,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:41:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:04,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:41:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:18,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:41:18,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:41:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:41:18,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:41:28,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:41:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2024-12-06 00:41:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-12-06 00:41:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:41:28,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:28,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:28,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:41:28,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:41:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:41:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:41:46,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:01,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:42:01,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:01,925 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:42:01,926 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2024-12-06 00:42:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:02,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:42:06,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:42:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 34 transitions. [2024-12-06 00:42:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-12-06 00:42:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:42:07,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:07,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:07,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:42:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:22,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:35,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:42:35,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:42:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:42:35,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:42:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 32 transitions. [2024-12-06 00:42:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-12-06 00:42:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:42:35,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:35,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:35,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:42:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:52,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:06,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:43:06,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:07,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:43:13,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:26,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:36,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:46,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:56,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 38 transitions. [2024-12-06 00:43:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-12-06 00:43:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:43:58,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:58,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:58,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:44:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:17,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:32,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:44:32,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:32,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:44:32,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-06 00:44:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:35,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:45:01,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:11,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:22,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:43,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:55,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:05,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:14,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:24,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 46 transitions. [2024-12-06 00:46:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-12-06 00:46:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:46:24,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:46:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:46:24,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:46:25,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:46:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:41,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:46:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:56,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:46:56,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:59,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 00:47:27,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:47:37,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:47:48,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:47:58,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:48:08,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:48:25,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:48:38,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:48:49,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:48:59,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:48:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 47 transitions. [2024-12-06 00:48:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-12-06 00:48:59,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:48:59,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:59,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:59,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:59,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:49:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:20,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:33,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:49:33,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:34,061 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:49:34,062 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 00:49:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:36,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 00:49:48,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:49:58,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:50:08,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:50:18,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:50:28,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:50:39,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:50:58,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:51:08,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:51:18,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:51:29,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:51:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 50 transitions. [2024-12-06 00:51:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-12-06 00:51:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:51:29,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:29,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:29,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:29,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:29,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:51:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:49,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:03,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:52:03,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:03,875 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:52:03,876 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 00:52:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:08,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 00:52:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 54 transitions. [2024-12-06 00:52:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-12-06 00:52:15,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:52:15,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:15,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:15,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:15,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:15,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:52:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:32,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:47,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:52:47,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:52:49,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37298104-1c9b-484e-b061-d82908d9df3c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:53:16,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:26,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:53:37,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:47,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:53:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 38 transitions. [2024-12-06 00:53:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-12-06 00:53:47,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:53:47,463 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 00:53:47,472 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold