./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c --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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/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 60ff3152151a0df7365f100539e4b819551c378d98595a816ec37039149f1cc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:40:54,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:40:54,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:40:54,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:40:54,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:40:54,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:40:54,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:40:54,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:40:54,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:40:54,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:40:54,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:40:54,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:40:54,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:40:54,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:40:54,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:40:54,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:40:54,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:40:54,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:40:54,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:40:54,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:40:54,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:40:54,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:40:54,842 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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/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 -> 60ff3152151a0df7365f100539e4b819551c378d98595a816ec37039149f1cc3 [2024-11-13 21:40:55,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:40:55,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:40:55,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:40:55,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:40:55,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:40:55,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 21:40:57,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:40:57,860 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:40:57,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-11-13 21:40:57,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/data/5d568f9ce/bc0a2ac9a3a148a380ac49f2e0aba3be/FLAG83ae71445 [2024-11-13 21:40:57,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/data/5d568f9ce/bc0a2ac9a3a148a380ac49f2e0aba3be [2024-11-13 21:40:57,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:40:57,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:40:57,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:40:57,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:40:57,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:40:57,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:40:57" (1/1) ... [2024-11-13 21:40:57,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ab2f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:57, skipping insertion in model container [2024-11-13 21:40:57,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:40:57" (1/1) ... [2024-11-13 21:40:58,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:40:58,177 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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c[458,471] [2024-11-13 21:40:58,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:40:58,210 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:40:58,223 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_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c[458,471] [2024-11-13 21:40:58,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:40:58,252 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:40:58,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58 WrapperNode [2024-11-13 21:40:58,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:40:58,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:40:58,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:40:58,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:40:58,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,280 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 21:40:58,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:40:58,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:40:58,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:40:58,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:40:58,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:40:58,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:40:58,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:40:58,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:40:58,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:40:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:40:58,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:40:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:40:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:40:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:40:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:40:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:40:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:40:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:40:58,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:40:58,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:40:58,562 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:40:58,562 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:40:58,586 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:40:58,588 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:40:58,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:40:58 BoogieIcfgContainer [2024-11-13 21:40:58,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:40:58,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:40:58,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:40:58,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:40:58,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:40:58" (1/1) ... [2024-11-13 21:40:58,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:40:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:40:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:40:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:40:58,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:40:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:40:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:40:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:40:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:40:58,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:40:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:40:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:40:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:40:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:40:59,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:40:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:40:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:59,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:40:59,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:40:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:59,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-13 21:40:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-13 21:40:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:40:59,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:40:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:41:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:41:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:41:00,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:00,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:41:00,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 21:41:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 21:41:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:41:01,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:01,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:01,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-13 21:41:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-13 21:41:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:41:01,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:01,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:41:01,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:41:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 21:41:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 21:41:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:41:02,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:41:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:02,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:41:02,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:41:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-11-13 21:41:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-11-13 21:41:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:41:03,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:41:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 18 states and 21 transitions. [2024-11-13 21:41:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 21:41:05,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:41:05,221 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-13 21:41:05,231 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:41:05,656 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:41:05,656 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (or (and (<= ~counter~0 1) (<= 1 ~counter~0)) (not (= |ULTIMATE.start_main_#t~post5#1| 0)) (not (and (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0)))) [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: true [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:41:05,657 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 21:41:05,658 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 21:41:05,658 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 21:41:05,658 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:41:05,658 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 21:41:05,658 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:41:05,659 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 21:41:05,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:41:05 ImpRootNode [2024-11-13 21:41:05,679 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:41:05,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:41:05,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:41:05,681 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:41:05,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:40:58" (3/4) ... [2024-11-13 21:41:05,684 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:41:05,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:41:05,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 21:41:05,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:41:05,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:41:05,697 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:41:05,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:41:05,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:41:05,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:41:05,817 INFO L158 Benchmark]: Toolchain (without parser) took 7837.75ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 48.0MB in the end (delta: 46.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-13 21:41:05,817 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:05,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.93ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 83.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:41:05,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.86ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:05,819 INFO L158 Benchmark]: Boogie Preprocessor took 18.57ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 454.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:41:05,820 INFO L158 Benchmark]: RCFGBuilder took 287.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 70.8MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:41:05,821 INFO L158 Benchmark]: CodeCheck took 7089.55ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 52.0MB in the end (delta: 18.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 21:41:05,821 INFO L158 Benchmark]: Witness Printer took 133.55ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 48.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:41:05,825 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 217 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 322 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 322 mSolverCounterUnsat, 151 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1082 GetRequests, 942 SyntacticMatches, 26 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5024 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 413 SizeOfPredicates, 4 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 25/50 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 - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.93ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 83.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.86ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.57ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 454.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 70.8MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7089.55ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 52.0MB in the end (delta: 18.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 133.55ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 48.0MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:41:05,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5b9f67-dfe1-455d-83f6-9cdc63b83037/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE