./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL --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 d52da112b6c70caf5a0051f5b07592777e147cdc0a968527b7dd1b58dd51c406 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:46,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:46,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:46,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:46,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:46,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:46,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:46,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:46,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:46,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:46,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:46,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:46,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:46,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:46,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:46,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:46,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:46,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:46,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:46,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:46,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:46,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:46,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:46,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:46,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:46,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:46,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:46,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:46,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:46,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:46,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:46,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:46,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:46,990 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_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52da112b6c70caf5a0051f5b07592777e147cdc0a968527b7dd1b58dd51c406 [2023-11-19 04:08:47,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:47,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:47,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:47,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:47,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:47,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i [2023-11-19 04:08:50,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:50,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:50,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i [2023-11-19 04:08:50,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/cbbb702a5/14f4509c230b4b44bb96134eb501da13/FLAGcd294672c [2023-11-19 04:08:50,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/cbbb702a5/14f4509c230b4b44bb96134eb501da13 [2023-11-19 04:08:50,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:50,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:50,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:50,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:50,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:50,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220bd762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50, skipping insertion in model container [2023-11-19 04:08:50,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:50,753 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i[915,928] [2023-11-19 04:08:50,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:50,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:50,818 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i[915,928] [2023-11-19 04:08:50,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:50,859 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:50,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50 WrapperNode [2023-11-19 04:08:50,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:50,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:50,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:50,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:50,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,932 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-19 04:08:50,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:50,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:50,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:50,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:50,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:50,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:50,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:50,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:50,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:50,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:51,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:51,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:51,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:51,191 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:51,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:51,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:51,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:51,801 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:51,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:51 BoogieIcfgContainer [2023-11-19 04:08:51,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:51,807 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:51,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:51,817 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:51,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:51" (1/1) ... [2023-11-19 04:08:51,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-11-19 04:08:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-11-19 04:08:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:08:51,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:52,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:08:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:52,373 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:08:52,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:08:52 ImpRootNode [2023-11-19 04:08:52,473 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:08:52,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:08:52,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:08:52,475 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:08:52,475 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:51" (3/4) ... [2023-11-19 04:08:52,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:08:52,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:08:52,481 INFO L158 Benchmark]: Toolchain (without parser) took 1941.59ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 80.4MB in the beginning and 146.6MB in the end (delta: -66.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:52,482 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:52,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 68.2MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:52,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.83ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 68.2MB in the beginning and 153.5MB in the end (delta: -85.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:52,486 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 152.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:52,487 INFO L158 Benchmark]: RCFGBuilder took 841.30ms. Allocated memory is still 184.5MB. Free memory was 151.9MB in the beginning and 115.3MB in the end (delta: 36.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:52,488 INFO L158 Benchmark]: CodeCheck took 666.91ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 146.6MB in the end (delta: -32.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:52,489 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 184.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:52,492 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 64 NumberOfCodeBlocks, 64 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 95, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = 2; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 0; [L26] signed char var_1_5 = 32; [L27] signed char var_1_6 = 10; [L28] double var_1_7 = 1000000.625; [L29] double var_1_8 = 16.65; [L30] signed char var_1_9 = 25; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 0.25; [L34] unsigned short int var_1_13 = 54726; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L67] CALL assume_abort_if_not(var_1_2 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_char() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L74] var_1_5 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L77] var_1_6 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L80] var_1_8 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_13 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L103] RET updateVariables() [L104] CALL step() [L38] var_1_1 = ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))) [L39] signed char stepLocal_0 = var_1_4; [L40] EXPR var_1_6 & var_1_3 [L40] COND FALSE !(((~ var_1_5) * (var_1_6 & var_1_3)) >= stepLocal_0) [L43] unsigned char stepLocal_1 = var_1_10; [L44] COND FALSE !(stepLocal_1 && var_1_11) [L47] signed long int stepLocal_4 = var_1_13 - var_1_5; [L48] unsigned char stepLocal_3 = var_1_10; [L49] unsigned char stepLocal_2 = var_1_10; [L50] COND TRUE var_1_11 || stepLocal_3 [L51] COND TRUE stepLocal_2 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32) [L52] COND FALSE !(stepLocal_4 < var_1_2) [L55] var_1_12 = var_1_8 [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95] EXPR var_1_6 & var_1_3 [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95-L96] return (((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1)) && ((var_1_10 && var_1_11) ? (var_1_9 == ((signed char) (var_1_3 - var_1_2))) : 1)) && ((var_1_11 || var_1_10) ? ((var_1_10 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) ? (((var_1_13 - var_1_5) < var_1_2) ? (var_1_12 == ((float) var_1_8)) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=1, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=1, var_1_2=1, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=8000005/8, var_1_8=2, var_1_9=25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 68.2MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.83ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 68.2MB in the beginning and 153.5MB in the end (delta: -85.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 152.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 841.30ms. Allocated memory is still 184.5MB. Free memory was 151.9MB in the beginning and 115.3MB in the end (delta: 36.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * CodeCheck took 666.91ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 146.6MB in the end (delta: -32.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 184.5MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:08:52,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL --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 d52da112b6c70caf5a0051f5b07592777e147cdc0a968527b7dd1b58dd51c406 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:54,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:55,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:08:55,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:55,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:55,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:55,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:55,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:55,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:55,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:55,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:55,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:55,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:55,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:55,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:55,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:55,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:08:55,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:08:55,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:08:55,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:55,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:55,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:55,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:55,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:55,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:55,107 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:55,108 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:55,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:55,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:55,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:55,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:55,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:55,111 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:08:55,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:55,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:55,112 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:08:55,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:55,113 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52da112b6c70caf5a0051f5b07592777e147cdc0a968527b7dd1b58dd51c406 [2023-11-19 04:08:55,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:55,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:55,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:55,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:55,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:55,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i [2023-11-19 04:08:59,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:59,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:59,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i [2023-11-19 04:08:59,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/862748794/0c1fee23f30f41a0b06c2a79ebedd0bf/FLAG6329b402e [2023-11-19 04:08:59,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/data/862748794/0c1fee23f30f41a0b06c2a79ebedd0bf [2023-11-19 04:08:59,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:59,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:59,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:59,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:59,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:59,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598d1921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59, skipping insertion in model container [2023-11-19 04:08:59,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:59,670 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i[915,928] [2023-11-19 04:08:59,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:59,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:59,735 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-92.i[915,928] [2023-11-19 04:08:59,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:59,788 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:59,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59 WrapperNode [2023-11-19 04:08:59,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:59,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:59,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:59,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:59,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,857 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-19 04:08:59,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:59,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:59,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:59,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:59,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:59,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:59,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:59,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:59,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:59,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:59,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:59,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:00,044 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:00,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:00,865 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:00,987 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:00,988 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:01,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:01 BoogieIcfgContainer [2023-11-19 04:09:01,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:01,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:01,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:01,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:01,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:01" (1/1) ... [2023-11-19 04:09:01,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-11-19 04:09:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-11-19 04:09:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:09:01,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:01,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:01,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:09:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:01,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 04:09:23,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:09:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2023-11-19 04:09:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2023-11-19 04:09:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:09:26,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:26,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:26,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:09:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:26,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 04:09:44,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 04:09:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2023-11-19 04:09:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2023-11-19 04:09:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:09:44,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:44,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:44,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:44,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:44,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f275706c-13c4-43bf-a7e2-f377d5c8af7a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:09:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,555 INFO L285 TraceCheckSpWp]: Computing forward predicates...