./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.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_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/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_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/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_879e0da4-6691-464e-9cf5-4c411ac205a3/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 0499f378fe2f7c6b53ba392652fadba715cc5ffbe1faa5de00e26792301d1a93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:09:39,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:09:39,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:09:39,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:09:39,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:09:39,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:09:39,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:09:39,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:09:39,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:09:39,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:09:39,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:09:39,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:09:39,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:09:39,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:09:39,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:09:39,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:09:39,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:09:39,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:09:39,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:09:39,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:09:39,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:09:39,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:09:39,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:09:39,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:09:39,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:09:39,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:09:39,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:39,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:09:39,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:09:39,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:09:39,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:09:39,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:09:39,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:09:39,729 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_879e0da4-6691-464e-9cf5-4c411ac205a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0499f378fe2f7c6b53ba392652fadba715cc5ffbe1faa5de00e26792301d1a93 [2023-12-03 00:09:39,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:09:39,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:09:39,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:09:39,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:09:39,972 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:09:39,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i [2023-12-03 00:09:43,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:09:43,252 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:09:43,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i [2023-12-03 00:09:43,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/6859b7c45/e172ad26060a4736981ca1514c0f2d5b/FLAGfb8ae0346 [2023-12-03 00:09:43,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/6859b7c45/e172ad26060a4736981ca1514c0f2d5b [2023-12-03 00:09:43,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:09:43,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:09:43,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:43,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:09:43,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:09:43,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29da507a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43, skipping insertion in model container [2023-12-03 00:09:43,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:09:43,456 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_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i[915,928] [2023-12-03 00:09:43,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:43,516 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:09:43,528 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_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i[915,928] [2023-12-03 00:09:43,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:43,570 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:09:43,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43 WrapperNode [2023-12-03 00:09:43,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:43,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:43,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:09:43,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:09:43,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,625 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-12-03 00:09:43,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:43,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:09:43,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:09:43,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:09:43,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:09:43,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:09:43,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:09:43,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:09:43,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:43" (1/1) ... [2023-12-03 00:09:43,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:43,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:09:43,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:09:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:09:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:09:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:09:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:09:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:09:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:09:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:09:43,830 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:09:43,832 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:09:44,074 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:09:44,219 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:09:44,219 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:09:44,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:44 BoogieIcfgContainer [2023-12-03 00:09:44,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:09:44,222 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:09:44,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:09:44,232 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:09:44,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:44" (1/1) ... [2023-12-03 00:09:44,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:09:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-12-03 00:09:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-12-03 00:09:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:09:44,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:44,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:09:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:09:44,659 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:09:44,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:09:44 ImpRootNode [2023-12-03 00:09:44,726 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:09:44,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:09:44,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:09:44,727 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:09:44,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:44" (3/4) ... [2023-12-03 00:09:44,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:09:44,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:09:44,733 INFO L158 Benchmark]: Toolchain (without parser) took 1452.61ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 130.3MB in the end (delta: 15.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-12-03 00:09:44,734 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:44,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.48ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 133.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:09:44,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.04ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:44,736 INFO L158 Benchmark]: Boogie Preprocessor took 27.63ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 129.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:09:44,737 INFO L158 Benchmark]: RCFGBuilder took 566.50ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 103.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 00:09:44,738 INFO L158 Benchmark]: CodeCheck took 504.34ms. Allocated memory is still 184.5MB. Free memory was 103.8MB in the beginning and 131.3MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:44,738 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 184.5MB. Free memory was 131.3MB in the beginning and 130.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:09:44,742 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: 0.4s, 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, 62 NumberOfCodeBlocks, 62 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 61, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed long int var_1_2 = -8; [L24] signed long int var_1_3 = 128; [L25] unsigned char var_1_5 = 0; [L26] float var_1_6 = 128.625; [L27] float var_1_7 = 2.625; [L28] float var_1_8 = 25.5; [L29] float var_1_9 = 4.75; [L30] float var_1_10 = 16.4; [L31] float var_1_11 = 0.2; [L32] float var_1_12 = 499.1; [L33] unsigned char var_1_13 = 0; [L34] signed long int var_1_14 = -8; [L35] unsigned char var_1_15 = 1; [L36] unsigned char last_1_var_1_13 = 0; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_13 = var_1_13 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L69] var_1_3 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L83] var_1_12 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L85] var_1_14 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L87] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L88] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L105] RET updateVariables() [L106] CALL step() [L40] signed long int stepLocal_1 = var_1_3; [L41] signed long int stepLocal_0 = var_1_2; [L42] COND TRUE ! (-50 < var_1_2) [L43] COND TRUE stepLocal_0 != var_1_3 [L44] COND TRUE stepLocal_1 <= var_1_2 [L45] var_1_1 = (last_1_var_1_13 && var_1_5) [L51] COND FALSE !(var_1_2 > (var_1_3 / var_1_14)) [L58] var_1_13 = var_1_5 [L60] COND FALSE !(\read(var_1_13)) [L63] var_1_11 = (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f) [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return ((((! (-50 < var_1_2)) ? ((var_1_2 != var_1_3) ? ((var_1_3 <= var_1_2) ? (var_1_1 == ((unsigned char) (last_1_var_1_13 && var_1_5))) : 1) : (var_1_1 == ((unsigned char) var_1_5))) : 1) && (var_1_13 ? (var_1_6 == ((float) (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) > (var_1_10)) ? ((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) : (var_1_10))))) : 1)) && (var_1_11 == ((float) (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f)))) && ((var_1_2 > (var_1_3 / var_1_14)) ? (var_1_1 ? (var_1_13 == ((unsigned char) (! var_1_15))) : (var_1_13 == ((unsigned char) 0))) : (var_1_13 == ((unsigned char) var_1_5))) ; [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_13=0, var_1_10=0, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=0, var_1_13=0, var_1_14=17, var_1_15=1, var_1_1=0, var_1_2=-50, var_1_3=-51, var_1_5=0, var_1_6=1029/8] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.48ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 133.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.04ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.63ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 129.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.50ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 103.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 504.34ms. Allocated memory is still 184.5MB. Free memory was 103.8MB in the beginning and 131.3MB in the end (delta: -27.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 184.5MB. Free memory was 131.3MB in the beginning and 130.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:09:44,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/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_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/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_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/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_879e0da4-6691-464e-9cf5-4c411ac205a3/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 0499f378fe2f7c6b53ba392652fadba715cc5ffbe1faa5de00e26792301d1a93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:09:46,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:09:47,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:09:47,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:09:47,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:09:47,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:09:47,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:09:47,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:09:47,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:09:47,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:09:47,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:09:47,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:09:47,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:09:47,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:09:47,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:09:47,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:09:47,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:09:47,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:09:47,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:09:47,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:09:47,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:09:47,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:09:47,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:09:47,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:09:47,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:09:47,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:47,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:09:47,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:09:47,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:47,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:09:47,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:09:47,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:09:47,068 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:09:47,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:47,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:09:47,069 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:09:47,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:09:47,069 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_879e0da4-6691-464e-9cf5-4c411ac205a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0499f378fe2f7c6b53ba392652fadba715cc5ffbe1faa5de00e26792301d1a93 [2023-12-03 00:09:47,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:09:47,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:09:47,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:09:47,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:09:47,391 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:09:47,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i [2023-12-03 00:09:50,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:09:50,628 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:09:50,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i [2023-12-03 00:09:50,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/b4715fe1d/a20739b1fd97495e8bd0a5bbcde7a71c/FLAG6681c6ede [2023-12-03 00:09:50,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/data/b4715fe1d/a20739b1fd97495e8bd0a5bbcde7a71c [2023-12-03 00:09:50,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:09:50,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:09:50,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:50,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:09:50,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:09:50,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:50,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298cb9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50, skipping insertion in model container [2023-12-03 00:09:50,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:50,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:09:50,841 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_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i[915,928] [2023-12-03 00:09:50,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:50,898 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:09:50,912 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_879e0da4-6691-464e-9cf5-4c411ac205a3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-12.i[915,928] [2023-12-03 00:09:50,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:09:50,953 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:09:50,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50 WrapperNode [2023-12-03 00:09:50,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:09:50,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:50,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:09:50,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:09:50,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:50,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,008 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-12-03 00:09:51,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:09:51,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:09:51,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:09:51,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:09:51,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:09:51,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:09:51,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:09:51,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:09:51,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:09:50" (1/1) ... [2023-12-03 00:09:51,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:51,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:09:51,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:09:51,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:09:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:09:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:09:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:09:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:09:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:09:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:09:51,237 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:09:51,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:09:52,100 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:09:52,234 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:09:52,234 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:09:52,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:52 BoogieIcfgContainer [2023-12-03 00:09:52,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:09:52,237 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:09:52,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:09:52,247 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:09:52,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:09:52" (1/1) ... [2023-12-03 00:09:52,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:09:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-12-03 00:09:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-12-03 00:09:52,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:09:52,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:52,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:52,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:52,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e0da4-6691-464e-9cf5-4c411ac205a3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:09:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 00:09:53,591 INFO L285 TraceCheckSpWp]: Computing forward predicates...