./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:13,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:13,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:40:13,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:13,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:13,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:13,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:40:13,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:40:13,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:13,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:13,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:13,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:40:13,869 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:40:13,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:13,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:40:13,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:13,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:40:13,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:13,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:40:13,873 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:40:13,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:40:13,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:13,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:13,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:13,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:13,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:13,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:13,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:13,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:13,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:40:13,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:13,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:13,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:40:13,881 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_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd [2023-11-19 02:40:14,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:14,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:14,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:14,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:14,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:14,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2023-11-19 02:40:17,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:17,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:17,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2023-11-19 02:40:17,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/data/7668e7c8d/16694c8cb76046f5b8faaf512b96064c/FLAG3cbbfcc96 [2023-11-19 02:40:17,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/data/7668e7c8d/16694c8cb76046f5b8faaf512b96064c [2023-11-19 02:40:17,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:17,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:17,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:17,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:17,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:17,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:17" (1/1) ... [2023-11-19 02:40:17,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b6ac89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:17, skipping insertion in model container [2023-11-19 02:40:17,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:17" (1/1) ... [2023-11-19 02:40:17,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:17,925 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_461b9736-d6d6-4983-8ec2-3884bcf94c21/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2023-11-19 02:40:18,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:18,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:18,036 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_461b9736-d6d6-4983-8ec2-3884bcf94c21/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2023-11-19 02:40:18,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:18,099 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:18,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18 WrapperNode [2023-11-19 02:40:18,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:18,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:18,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:18,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:18,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,191 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2023-11-19 02:40:18,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:18,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:18,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:18,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:18,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:18,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:18,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:18,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:18,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:18" (1/1) ... [2023-11-19 02:40:18,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:18,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:18,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:18,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b9736-d6d6-4983-8ec2-3884bcf94c21/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:40:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:40:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:40:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:40:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:18,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:18,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:19,156 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:19,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:19,654 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:40:19,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:19 BoogieIcfgContainer [2023-11-19 02:40:19,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:19,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:19,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:19,671 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:19,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:19" (1/1) ... [2023-11-19 02:40:19,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:40:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2023-11-19 02:40:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2023-11-19 02:40:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 02:40:19,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:19,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:20,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-19 02:40:20,283 INFO L285 TraceCheckSpWp]: Computing forward predicates...