./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2 --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 539a31c92191ccf499583caefdee83885e5c729e76b73005b4b9f92310978df4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:16,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:16,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:29:16,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:16,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:16,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:16,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:16,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:16,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:16,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:16,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:16,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:16,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:29:16,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:16,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:29:16,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:16,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:16,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:16,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:16,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:29:16,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:16,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:16,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:16,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:16,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:16,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:16,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:16,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:16,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:16,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:16,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:16,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:16,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:16,932 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_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 539a31c92191ccf499583caefdee83885e5c729e76b73005b4b9f92310978df4 [2023-11-21 18:29:17,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:17,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:17,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:17,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:17,270 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:17,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i [2023-11-21 18:29:20,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:21,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:21,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i [2023-11-21 18:29:21,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/data/0c3ca0d87/0371f0e59fc745ca9aa96bd735b1d9c8/FLAGa65f3b20d [2023-11-21 18:29:21,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/data/0c3ca0d87/0371f0e59fc745ca9aa96bd735b1d9c8 [2023-11-21 18:29:21,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:21,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:21,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:21,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:21,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:21,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bbd4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21, skipping insertion in model container [2023-11-21 18:29:21,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:21,294 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_6a8fe5c4-ee63-4935-95a8-021c07229b74/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i[919,932] [2023-11-21 18:29:21,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:21,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:21,423 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_6a8fe5c4-ee63-4935-95a8-021c07229b74/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-56.i[919,932] [2023-11-21 18:29:21,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:21,484 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:21,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21 WrapperNode [2023-11-21 18:29:21,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:21,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:21,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:21,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:21,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,583 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-21 18:29:21,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:21,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:21,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:21,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:21,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:21,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:21,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:21,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:21,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:21" (1/1) ... [2023-11-21 18:29:21,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:21,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:21,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8fe5c4-ee63-4935-95a8-021c07229b74/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:29:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:29:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:21,856 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:21,859 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:22,384 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:22,601 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:22,602 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:29:22,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:22 BoogieIcfgContainer [2023-11-21 18:29:22,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:22,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:22,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:22,617 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:22,618 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:22" (1/1) ... [2023-11-21 18:29:22,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-11-21 18:29:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-21 18:29:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:29:22,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:22,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:23,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-21 18:29:23,223 INFO L285 TraceCheckSpWp]: Computing forward predicates...