./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:53:45,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:53:45,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:53:45,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:53:45,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:53:45,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:53:45,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:53:45,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:53:45,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:53:45,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:53:45,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:53:45,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:53:45,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:53:45,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:53:45,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:53:45,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:53:45,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:53:45,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:53:45,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:53:45,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:53:45,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:53:45,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:53:45,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:45,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:53:45,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:53:45,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:53:45,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:53:45,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:53:45,854 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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 -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2024-11-13 22:53:46,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:53:46,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:53:46,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:53:46,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:53:46,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:53:46,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c Unable to find full path for "g++" [2024-11-13 22:53:48,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:53:48,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:53:48,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-13 22:53:48,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/092c29719/fffcfdaeb961466981fd4678681d43d8/FLAG42a58b439 [2024-11-13 22:53:48,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/092c29719/fffcfdaeb961466981fd4678681d43d8 [2024-11-13 22:53:48,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:53:48,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:53:48,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:48,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:53:48,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:53:48,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8da417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48, skipping insertion in model container [2024-11-13 22:53:48,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:53:48,687 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c[552,565] [2024-11-13 22:53:48,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:48,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:53:48,725 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c[552,565] [2024-11-13 22:53:48,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:48,746 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:53:48,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48 WrapperNode [2024-11-13 22:53:48,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:48,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:48,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:53:48,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:53:48,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,778 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 22:53:48,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:48,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:53:48,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:53:48,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:53:48,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:53:48,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:53:48,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:53:48,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:53:48,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:48" (1/1) ... [2024-11-13 22:53:48,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:53:48,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:53:48,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:53:48,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:53:48,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:53:49,225 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:53:49,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:53:49,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:53:49,271 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:53:49,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:49 BoogieIcfgContainer [2024-11-13 22:53:49,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:53:49,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:53:49,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:53:49,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:53:49,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:49" (1/1) ... [2024-11-13 22:53:49,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:53:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 22:53:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 22:53:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:53:49,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 22:53:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 22:53:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:53:49,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:53:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:49,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:53:49,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:53:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-13 22:53:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 22:53:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:53:50,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:53:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:50,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:53:50,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-11-13 22:53:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 22:53:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:53:51,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:51,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 72 transitions. [2024-11-13 22:53:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 22:53:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:53:52,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:52,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 76 transitions. [2024-11-13 22:53:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-11-13 22:53:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:53:52,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:52,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:02,958 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:54:02,962 INFO L158 Benchmark]: Toolchain (without parser) took 14448.61ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 264.2MB in the end (delta: -170.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-13 22:54:02,966 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:02,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:02,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.09ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:02,967 INFO L158 Benchmark]: Boogie Preprocessor took 29.56ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 711.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:02,967 INFO L158 Benchmark]: RCFGBuilder took 461.79ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:02,968 INFO L158 Benchmark]: CodeCheck took 13688.84ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.0MB in the beginning and 264.2MB in the end (delta: -197.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-13 22:54:02,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.09ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.56ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 711.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 461.79ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13688.84ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.0MB in the beginning and 264.2MB in the end (delta: -197.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:54:02,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:05,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:05,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:54:05,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:05,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:05,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:05,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:05,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:05,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:05,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:05,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:54:05,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:05,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:05,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:05,894 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:54:05,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:05,894 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:54:05,894 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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 -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2024-11-13 22:54:06,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:06,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:06,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:06,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:06,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:06,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c Unable to find full path for "g++" [2024-11-13 22:54:08,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:08,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:08,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-13 22:54:08,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/6420cef1e/e5828959a71a4c4c822b9e7447d78b6b/FLAG8c0fcd48f [2024-11-13 22:54:08,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/data/6420cef1e/e5828959a71a4c4c822b9e7447d78b6b [2024-11-13 22:54:08,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:08,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:08,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:08,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:08,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:08,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dbe9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08, skipping insertion in model container [2024-11-13 22:54:08,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:08,763 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c[552,565] [2024-11-13 22:54:08,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:08,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:08,833 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_1a2b3c4b-3cb8-4ce6-923b-54374b200276/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c[552,565] [2024-11-13 22:54:08,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:08,858 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:08,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08 WrapperNode [2024-11-13 22:54:08,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:08,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:08,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:08,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:08,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,896 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 22:54:08,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:08,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:08,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:08,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:08,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:08,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:08,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:08,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:08,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:08" (1/1) ... [2024-11-13 22:54:08,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:08,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:08,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:08,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:54:08,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:54:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:54:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:54:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:54:09,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:09,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:54:09,285 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 22:54:09,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:54:09,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:54:09,323 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:54:09,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:09 BoogieIcfgContainer [2024-11-13 22:54:09,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:54:09,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:54:09,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:54:09,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:54:09,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:54:09" (1/1) ... [2024-11-13 22:54:09,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:54:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 22:54:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 22:54:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:54:09,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:09,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:09,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:54:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:09,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:09,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:54:09,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:54:09,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:54:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 22:54:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 22:54:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:54:09,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:54:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:54:09,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:54:09,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:54:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:09,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:54:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:20,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:54:20,022 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:54:20,026 INFO L158 Benchmark]: Toolchain (without parser) took 11475.40ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 53.7MB in the end (delta: 7.4MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-13 22:54:20,027 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:20,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.13ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:20,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.31ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:20,028 INFO L158 Benchmark]: Boogie Preprocessor took 23.01ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:20,028 INFO L158 Benchmark]: RCFGBuilder took 403.23ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 32.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:54:20,029 INFO L158 Benchmark]: CodeCheck took 10699.96ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 53.7MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:54:20,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.6MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.13ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.31ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.01ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 403.23ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 32.5MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10699.96ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 53.7MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:54:20,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2b3c4b-3cb8-4ce6-923b-54374b200276/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown