./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9 --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 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:04,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:04,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:33:04,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:33:04,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:33:04,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:04,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:04,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:04,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:04,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:04,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:04,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:04,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:04,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:33:04,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:04,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:04,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:04,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:04,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:04,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:04,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:04,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:04,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:04,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:04,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:04,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:04,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:04,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:04,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:04,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:04,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:33:04,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:33:04,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:04,472 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740 [2023-12-03 01:33:04,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:04,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:04,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:04,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:04,767 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:04,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i [2023-12-03 01:33:07,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:07,598 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:07,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i [2023-12-03 01:33:07,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/4e656e143/56c1822370bd40a4a2127dac74f3e645/FLAG2a72e64ff [2023-12-03 01:33:07,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/4e656e143/56c1822370bd40a4a2127dac74f3e645 [2023-12-03 01:33:07,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:07,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:07,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:07,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:07,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:07,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f79cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07, skipping insertion in model container [2023-12-03 01:33:07,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:07,777 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926] [2023-12-03 01:33:07,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:07,830 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:07,840 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926] [2023-12-03 01:33:07,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:07,880 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:07,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07 WrapperNode [2023-12-03 01:33:07,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:07,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:07,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:07,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:07,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,930 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2023-12-03 01:33:07,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:07,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:07,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:07,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:07,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:07,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:07,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:07,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:07,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:08,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:08,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:33:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:33:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:33:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:08,125 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:08,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:08,422 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:08,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:08,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:33:08,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08 BoogieIcfgContainer [2023-12-03 01:33:08,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:08,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:08,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:08,596 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:08,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08" (1/1) ... [2023-12-03 01:33:08,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 01:33:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 01:33:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:33:08,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:08,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:08,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:09,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:09,253 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:33:09,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:33:09 ImpRootNode [2023-12-03 01:33:09,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:33:09,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:33:09,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:33:09,308 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:33:09,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:08" (3/4) ... [2023-12-03 01:33:09,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:33:09,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:33:09,313 INFO L158 Benchmark]: Toolchain (without parser) took 1690.02ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 79.3MB in the end (delta: 63.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,313 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:09,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.59ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 133.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 130.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,315 INFO L158 Benchmark]: Boogie Preprocessor took 35.21ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 129.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,316 INFO L158 Benchmark]: RCFGBuilder took 618.19ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 119.2MB in the end (delta: 9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,316 INFO L158 Benchmark]: CodeCheck took 721.33ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 80.2MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,317 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 174.1MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 822.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:09,320 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, 29 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, 48 NumberOfCodeBlocks, 48 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 someBinaryFLOATComparisonOperation at line 97, overapproximation of shiftRight at line 60, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_5 = 0; [L25] double var_1_7 = 256.75; [L26] double var_1_8 = 63.5; [L27] double var_1_9 = 1.8; [L28] double var_1_10 = 0.25; [L29] double var_1_11 = 16.5; [L30] signed long int var_1_12 = -5; [L31] unsigned char var_1_14 = 128; [L32] float var_1_15 = 4.6; [L33] unsigned long int var_1_16 = 500; [L34] unsigned char var_1_17 = 2; [L35] unsigned char var_1_18 = 100; [L36] signed long int last_1_var_1_12 = -5; [L37] unsigned char last_1_var_1_17 = 2; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L93] last_1_var_1_12 = var_1_12 [L94] last_1_var_1_17 = var_1_17 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=0, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L76] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_8=127/2, var_1_9=9/5] [L77] var_1_8 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 2305843.009213691390e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 2305843.009213691390e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4, var_1_9=9/5] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_10=1/4, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_11=33/2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=128, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_14 >= 127) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L87] CALL assume_abort_if_not(var_1_14 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_14 <= 255) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=100, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L88] var_1_18 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L90] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=4, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=23/5, var_1_16=500, var_1_17=2, var_1_18=4, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=1027/4] [L105] RET updateVariables() [L106] CALL step() [L41] unsigned char stepLocal_1 = last_1_var_1_12 >= last_1_var_1_17; [L42] signed long int stepLocal_0 = last_1_var_1_17; [L43] COND TRUE \read(var_1_2) [L44] COND FALSE !(stepLocal_1 && var_1_5) [L54] COND TRUE \read(var_1_2) [L55] var_1_7 = (((var_1_8 + var_1_9) + var_1_10) - var_1_11) [L57] var_1_15 = var_1_8 [L58] var_1_16 = var_1_14 [L59] var_1_17 = var_1_18 [L60] EXPR -4 >> var_1_1 [L60] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1) [L60] EXPR -4 >> var_1_1 [L60] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1) [L60] signed long int stepLocal_3 = ((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)); [L61] signed long int stepLocal_2 = var_1_1 / -8; [L62] COND TRUE (~ var_1_17) <= stepLocal_3 [L63] COND FALSE !((var_1_14 - 64) < stepLocal_2) [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR ((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) ((((25) < (last_1_var_1_17)) ? (25) : (last_1_var_1_17)))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14)))) [L97] EXPR -4 >> var_1_1 [L97] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1) [L97] EXPR -4 >> var_1_1 [L97] EXPR (((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1) [L97] EXPR ((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) ((((25) < (last_1_var_1_17)) ? (25) : (last_1_var_1_17)))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14)))) [L97-L98] return (((((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) ((((25) < (last_1_var_1_17)) ? (25) : (last_1_var_1_17)))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (((((-4 >> var_1_1)) < (var_1_1)) ? ((-4 >> var_1_1)) : (var_1_1)))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14))))) && (var_1_15 == ((float) var_1_8))) && (var_1_16 == ((unsigned long int) var_1_14))) && (var_1_17 == ((unsigned char) var_1_18)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=2, var_1_16=127, var_1_17=4, var_1_18=4, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=0, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=-5, last_1_var_1_17=2, var_1_12=-5, var_1_14=127, var_1_15=2, var_1_16=127, var_1_17=4, var_1_18=4, var_1_1=10, var_1_2=1, var_1_5=1, var_1_7=0, var_1_8=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.59ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 133.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 130.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.21ms. Allocated memory is still 174.1MB. Free memory was 130.7MB in the beginning and 129.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.19ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 119.2MB in the end (delta: 9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 721.33ms. Allocated memory is still 174.1MB. Free memory was 119.2MB in the beginning and 80.2MB in the end (delta: 39.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 174.1MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 822.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:33:09,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9 --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 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:11,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:11,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:33:11,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:11,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:11,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:11,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:11,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:11,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:11,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:11,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:11,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:11,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:11,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:11,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:11,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:11,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:33:11,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:33:11,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:33:11,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:11,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:11,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:11,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:11,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:11,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:11,361 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:11,361 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:11,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:11,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:11,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:11,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:11,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:11,363 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:33:11,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:11,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:11,364 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:33:11,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:11,364 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90e35651bfd9b45448f3c544aad64e7f8bfb379d8aba00be42275ca318b2d740 [2023-12-03 01:33:11,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:11,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:11,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:11,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:11,672 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:11,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i [2023-12-03 01:33:14,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:14,650 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:14,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i [2023-12-03 01:33:14,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/007510267/fd3b67cb026f4c33b40d471ed8c5426f/FLAG28969125e [2023-12-03 01:33:14,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/data/007510267/fd3b67cb026f4c33b40d471ed8c5426f [2023-12-03 01:33:14,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:14,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:14,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:14,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:14,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:14,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3750e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14, skipping insertion in model container [2023-12-03 01:33:14,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:14,838 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926] [2023-12-03 01:33:14,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:14,898 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:14,908 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_b18bda47-3faf-46f9-aabe-a2a98f971a63/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-55.i[913,926] [2023-12-03 01:33:14,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:14,947 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:14,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14 WrapperNode [2023-12-03 01:33:14,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:14,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:14,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:14,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:14,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:14,992 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-12-03 01:33:14,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:14,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:14,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:14,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:15,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:15,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:15,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:15,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:15,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:14" (1/1) ... [2023-12-03 01:33:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:15,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:15,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:15,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:33:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:33:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:33:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:15,166 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:15,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:23,493 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:23,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:23,602 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:33:23,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:23 BoogieIcfgContainer [2023-12-03 01:33:23,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:23,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:23,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:23,612 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:23,613 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:23" (1/1) ... [2023-12-03 01:33:23,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 01:33:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 01:33:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 01:33:23,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:23,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:23,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:23,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b18bda47-3faf-46f9-aabe-a2a98f971a63/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:33:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:24,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:29,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 01:33:29,309 INFO L285 TraceCheckSpWp]: Computing forward predicates...