./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm --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 c1b5c482da5d2c6667d34018776f68ea028be3d534a2149af7f706efb36af7e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:47:13,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:47:13,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:47:13,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:47:13,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:47:13,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:47:13,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:47:13,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:47:13,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:47:13,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:47:13,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:47:13,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:47:13,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:47:13,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:47:13,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:47:13,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:47:13,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:47:13,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:47:13,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:47:13,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:47:13,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:47:13,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:47:13,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:47:13,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:47:13,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:47:13,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:47:13,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:47:13,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:13,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:47:13,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:47:13,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:47:13,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:47:13,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:47:13,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm 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 -> c1b5c482da5d2c6667d34018776f68ea028be3d534a2149af7f706efb36af7e7 [2024-11-13 20:47:13,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:47:13,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:47:13,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:47:13,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:47:13,658 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:47:13,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i Unable to find full path for "g++" [2024-11-13 20:47:16,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:47:16,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:47:16,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i [2024-11-13 20:47:16,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/data/11918f582/c618ca06bdc04d83a7b57281330f467f/FLAG9e65b25b2 [2024-11-13 20:47:16,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/data/11918f582/c618ca06bdc04d83a7b57281330f467f [2024-11-13 20:47:16,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:47:16,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:47:16,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:16,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:47:16,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:47:16,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:16,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed86099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16, skipping insertion in model container [2024-11-13 20:47:16,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:16,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:47:16,841 WARN L250 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_989176fe-3467-4edb-9e38-2837a200c42c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i[914,927] [2024-11-13 20:47:16,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:16,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:47:16,921 WARN L250 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_989176fe-3467-4edb-9e38-2837a200c42c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-6.i[914,927] [2024-11-13 20:47:16,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:16,978 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:47:16,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16 WrapperNode [2024-11-13 20:47:16,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:16,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:16,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:47:16,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:47:16,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:16,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,025 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-13 20:47:17,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:17,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:47:17,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:47:17,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:47:17,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:47:17,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:47:17,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:47:17,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:47:17,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:16" (1/1) ... [2024-11-13 20:47:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:47:17,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:47:17,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989176fe-3467-4edb-9e38-2837a200c42c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:47:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:47:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:47:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:47:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:47:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:47:17,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:47:17,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:47:17,657 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 20:47:17,658 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:47:17,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:47:17,865 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:47:17,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:17 BoogieIcfgContainer [2024-11-13 20:47:17,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:47:17,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:47:17,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:47:17,877 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:47:17,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:17" (1/1) ... [2024-11-13 20:47:17,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:47:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-11-13 20:47:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-13 20:47:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 20:47:17,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:18,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:47:18,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:21,639 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 474 DAG size of output: 688 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:52:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 65 proven. 33 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-13 20:52:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 70 states and 140 transitions. [2024-11-13 20:52:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2024-11-13 20:52:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 20:52:58,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:53:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:02,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:53:02,182 INFO L278 TraceCheckSpWp]: Computing forward predicates...