./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk --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 9aff71e7b4e8d979ff4682857055bc958629e28b9f2753e6b08b585745aacec8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:28,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:28,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:29:28,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:29:28,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:29:28,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:28,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:28,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:28,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:28,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:28,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:28,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:28,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:29:28,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:29:28,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:29:28,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:28,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:28,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:28,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:28,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:28,296 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:29:28,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:28,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:28,303 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:28,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:28,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:28,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:28,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:28,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:28,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:28,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:28,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:29:28,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:29:28,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aff71e7b4e8d979ff4682857055bc958629e28b9f2753e6b08b585745aacec8 [2024-11-08 23:29:28,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:28,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:28,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:28,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:28,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:28,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i Unable to find full path for "g++" [2024-11-08 23:29:30,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:30,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:30,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i [2024-11-08 23:29:30,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/cd987eabd/3e2d12f4b2ec49229a6db15dc8fa4f15/FLAGd25ea3d3f [2024-11-08 23:29:30,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/cd987eabd/3e2d12f4b2ec49229a6db15dc8fa4f15 [2024-11-08 23:29:30,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:30,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:30,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:30,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:30,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:30,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:30" (1/1) ... [2024-11-08 23:29:30,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a501dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:30, skipping insertion in model container [2024-11-08 23:29:30,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:30" (1/1) ... [2024-11-08 23:29:30,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:31,097 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_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i[917,930] [2024-11-08 23:29:31,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:31,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:31,178 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_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i[917,930] [2024-11-08 23:29:31,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:31,221 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:31,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31 WrapperNode [2024-11-08 23:29:31,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:31,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:31,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:31,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:31,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,268 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-08 23:29:31,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:31,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:31,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:31,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:31,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:31,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:31,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:31,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:31,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:31" (1/1) ... [2024-11-08 23:29:31,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:31,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:31,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:31,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:29:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:29:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:29:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:31,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:31,479 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:31,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:31,839 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:31,840 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:32,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:32,088 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:29:32,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:32 BoogieIcfgContainer [2024-11-08 23:29:32,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:32,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:32,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:32,105 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:32,105 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:32" (1/1) ... [2024-11-08 23:29:32,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-08 23:29:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-08 23:29:32,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:29:32,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:29:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:32,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:29:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:29:32,723 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:29:32,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:32 ImpRootNode [2024-11-08 23:29:32,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:32,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:32,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:32,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:32,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:32" (3/4) ... [2024-11-08 23:29:32,808 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:29:32,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:29:32,811 INFO L158 Benchmark]: Toolchain (without parser) took 1947.26ms. Allocated memory was 174.1MB in the beginning and 239.1MB in the end (delta: 65.0MB). Free memory was 136.0MB in the beginning and 195.3MB in the end (delta: -59.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 23:29:32,812 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 174.1MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:32,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.97ms. Allocated memory is still 174.1MB. Free memory was 136.0MB in the beginning and 121.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:32,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.92ms. Allocated memory is still 174.1MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:32,815 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:32,816 INFO L158 Benchmark]: RCFGBuilder took 786.72ms. Allocated memory is still 174.1MB. Free memory was 118.3MB in the beginning and 88.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 23:29:32,817 INFO L158 Benchmark]: CodeCheck took 709.50ms. Allocated memory was 174.1MB in the beginning and 239.1MB in the end (delta: 65.0MB). Free memory was 88.9MB in the beginning and 195.3MB in the end (delta: -106.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:32,818 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 239.1MB. Free memory is still 195.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:32,821 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 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -100; [L23] unsigned long int var_1_2 = 0; [L24] unsigned long int var_1_3 = 8; [L25] unsigned long int var_1_4 = 256; [L26] unsigned long int var_1_5 = 500; [L27] signed char var_1_7 = -64; [L28] signed char var_1_8 = -8; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 4.625; [L32] double var_1_13 = 15.5; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_3=8, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L78] var_1_3 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_4=256, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L81] var_1_4 = __VERIFIER_nondet_ulong() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_5=500, var_1_7=-64, var_1_8=-8, var_1_9=0] [L84] var_1_5 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=-8, var_1_9=0] [L87] var_1_8 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=0] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=37/8, var_1_13=31/2, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L96] var_1_13 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=37/8, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=37/8, var_1_1=-100, var_1_7=-64, var_1_8=0, var_1_9=1] [L110] RET updateVariables() [L111] CALL step() [L36] COND TRUE var_1_2 < (((((var_1_4 * var_1_5)) > (var_1_3)) ? ((var_1_4 * var_1_5)) : (var_1_3))) [L37] var_1_7 = var_1_8 [L49] unsigned long int stepLocal_1 = var_1_5; [L50] unsigned long int stepLocal_0 = var_1_2 * ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))); [L51] COND FALSE !(stepLocal_0 < var_1_5) [L58] unsigned char stepLocal_3 = var_1_9; [L59] signed long int stepLocal_2 = var_1_1 + var_1_7; [L60] COND TRUE ((var_1_7 + var_1_8) == var_1_4) && stepLocal_3 [L61] COND FALSE !(! var_1_10) [L68] var_1_11 = var_1_13 [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_2 * ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < var_1_5) ? ((var_1_5 > var_1_2) ? (var_1_1 == ((signed short int) var_1_7)) : (var_1_1 == ((signed short int) var_1_7))) : 1) && ((var_1_2 < (((((var_1_4 * var_1_5)) > (var_1_3)) ? ((var_1_4 * var_1_5)) : (var_1_3)))) ? (var_1_7 == ((signed char) var_1_8)) : ((var_1_9 || var_1_10) ? (var_1_7 == ((signed char) var_1_8)) : ((var_1_3 < var_1_4) ? (var_1_7 == ((signed char) var_1_8)) : (var_1_7 == ((signed char) -4)))))) && ((((var_1_7 + var_1_8) == var_1_4) && var_1_9) ? ((! var_1_10) ? (((var_1_1 + var_1_7) != var_1_8) ? (var_1_11 == ((double) var_1_13)) : (var_1_11 == ((double) var_1_13))) : (var_1_11 == ((double) var_1_13))) : (var_1_11 == ((double) var_1_13))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_13=2, var_1_1=-100, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=2, var_1_13=2, var_1_1=-100, var_1_2=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 174.1MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.97ms. Allocated memory is still 174.1MB. Free memory was 136.0MB in the beginning and 121.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.92ms. Allocated memory is still 174.1MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.72ms. Allocated memory is still 174.1MB. Free memory was 118.3MB in the beginning and 88.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 709.50ms. Allocated memory was 174.1MB in the beginning and 239.1MB in the end (delta: 65.0MB). Free memory was 88.9MB in the beginning and 195.3MB in the end (delta: -106.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 239.1MB. Free memory is still 195.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:29:32,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk --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 9aff71e7b4e8d979ff4682857055bc958629e28b9f2753e6b08b585745aacec8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:35,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:35,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:29:35,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:35,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:35,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:35,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:35,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:35,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:35,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:35,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:29:35,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:29:35,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:35,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:35,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:35,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:35,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:29:35,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:29:35,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:35,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:29:35,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:29:35,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:35,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:35,597 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:35,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:35,598 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:35,598 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:35,598 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:29:35,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:35,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:35,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:35,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:35,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:35,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:29:35,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:35,600 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:29:35,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aff71e7b4e8d979ff4682857055bc958629e28b9f2753e6b08b585745aacec8 [2024-11-08 23:29:36,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:36,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:36,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:36,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:36,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:36,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i Unable to find full path for "g++" [2024-11-08 23:29:38,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:38,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:38,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i [2024-11-08 23:29:38,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/9cb19a6bf/5ffde221992b410db0c009fd8d158ce1/FLAGf3ca0c7c8 [2024-11-08 23:29:38,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/data/9cb19a6bf/5ffde221992b410db0c009fd8d158ce1 [2024-11-08 23:29:38,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:38,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:38,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:38,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:38,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:38,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:38,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f897e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38, skipping insertion in model container [2024-11-08 23:29:38,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:38,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:38,818 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_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i[917,930] [2024-11-08 23:29:38,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:38,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:38,930 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_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-69.i[917,930] [2024-11-08 23:29:38,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:38,989 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:38,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38 WrapperNode [2024-11-08 23:29:38,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:38,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:38,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:38,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:39,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,054 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-08 23:29:39,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:39,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:39,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:39,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:39,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:39,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:39,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:39,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:39,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:38" (1/1) ... [2024-11-08 23:29:39,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:39,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:29:39,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:39,300 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:39,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:39,664 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:39,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:39,846 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:39,846 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:29:39,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:39 BoogieIcfgContainer [2024-11-08 23:29:39,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:39,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:39,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:39,861 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:39,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:39" (1/1) ... [2024-11-08 23:29:39,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-08 23:29:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-08 23:29:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 23:29:39,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:39,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:39,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:39,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:29:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:40,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:40,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:29:40,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:30:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 23:30:25,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:30:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 88 transitions. [2024-11-08 23:30:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-08 23:30:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:30:27,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:27,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:30:27,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:30:27,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:30:27,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:30:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:27,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:30:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:28,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:30:28,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:31:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:31:13,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:31:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:31:16,167 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:31:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:31:16,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:16,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:16,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:31:16,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:31:16,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:31:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:16,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:31:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:16,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:31:16,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:32:00,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:32:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:32:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:32:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:32:00,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:00,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:32:00,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:32:00,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:32:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:00,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:32:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:00,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:32:00,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:32:45,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:32:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:32:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:32:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:32:45,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:45,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:32:45,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:32:45,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:32:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:46,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:32:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:46,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:32:46,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:33:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:33:34,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:33:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:33:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:33:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:33:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:33:34,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:33:34,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:33:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:33:34,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:33:34,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:33:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:35,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:33:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:33:35,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:33:35,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:34:19,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:34:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:34:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:34:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:34:19,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:19,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:34:19,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:34:19,098 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:34:19,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:34:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:34:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:34:19,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:35:08,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:35:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:35:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:35:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:35:09,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:09,010 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:09,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:35:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:09,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:09,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:35:09,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:35:53,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:35:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:53,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:35:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:35:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:35:53,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:53,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:35:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:35:53,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:35:53,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:35:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:54,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:35:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:54,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:35:54,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:36:33,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:36:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:36:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:36:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:36:33,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:33,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:36:33,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:36:33,133 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:36:33,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:36:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:33,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:36:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:33,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:36:33,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:37:12,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:37:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:37:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:37:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:37:12,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:12,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:12,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:12,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:12,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:37:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:12,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:12,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:37:12,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:37:51,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 23:37:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:37:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:37:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:37:51,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:51,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:51,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:51,417 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:51,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:37:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:51,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:52,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:37:52,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:38:30,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:38:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:38:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:38:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:38:30,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:30,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:30,475 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:30,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:38:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:30,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:31,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:38:31,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:39:09,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:39:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:39:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:39:09,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:09,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:09,996 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:09,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:39:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:10,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:10,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:10,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:39:49,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:39:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:39:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:39:49,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:49,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:49,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:49,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:39:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:50,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:50,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:39:50,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:40:28,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 23:40:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:40:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:40:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:40:28,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:28,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:40:28,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:40:28,914 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:40:28,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:40:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:29,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:40:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:29,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:40:29,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:41:07,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:41:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:41:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:41:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:41:07,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:07,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:07,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:07,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:41:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:08,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:08,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:41:49,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 23:41:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:41:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:41:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:41:49,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:49,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:49,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:49,133 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:49,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:41:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:49,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:49,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:41:49,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:42:31,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:42:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:42:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:42:31,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:31,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:31,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:31,483 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:31,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:42:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:42:32,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:43:13,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:43:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:43:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:43:13,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:13,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:13,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:13,427 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:13,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:43:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:13,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:14,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:14,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-11-08 23:43:57,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 23:43:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 90 transitions. [2024-11-08 23:43:57,471 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:43:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 23:43:57,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:57,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:57,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:57,475 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:57,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fcab51e-b12a-4ec3-b0b6-ac8610eda6e2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:43:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:57,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:58,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:58,134 INFO L278 TraceCheckSpWp]: Computing forward predicates...