./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3 --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 eebd89172d2922b25518196d7199bdc2b40bcf663d7c245ca245657f0105901c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:03,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:03,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:05:03,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:03,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:03,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:03,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:03,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:03,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:03,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:03,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:03,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:03,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:03,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:03,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:03,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:03,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:03,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:03,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:03,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:03,525 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_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3 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 -> eebd89172d2922b25518196d7199bdc2b40bcf663d7c245ca245657f0105901c [2024-11-24 18:05:03,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:03,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:03,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:03,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:03,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:03,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c [2024-11-24 18:05:06,916 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/data/953099c0d/b526054d50644ff48511500a5e87747f/FLAG92e11844b [2024-11-24 18:05:07,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:05:07,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c [2024-11-24 18:05:07,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/data/953099c0d/b526054d50644ff48511500a5e87747f/FLAG92e11844b [2024-11-24 18:05:07,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/data/953099c0d/b526054d50644ff48511500a5e87747f [2024-11-24 18:05:07,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:05:07,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:05:07,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:07,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:05:07,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:05:07,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200f4299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07, skipping insertion in model container [2024-11-24 18:05:07,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:05:07,671 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_f38922a2-922f-433a-a69d-69526dfba745/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c[458,471] [2024-11-24 18:05:07,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:07,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:05:07,707 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_f38922a2-922f-433a-a69d-69526dfba745/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound50.c[458,471] [2024-11-24 18:05:07,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:05:07,726 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:05:07,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07 WrapperNode [2024-11-24 18:05:07,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:05:07,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:07,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:05:07,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:05:07,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,763 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-24 18:05:07,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:05:07,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:05:07,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:05:07,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:05:07,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,779 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:05:07,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:05:07,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:05:07,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:05:07,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:05:07" (1/1) ... [2024-11-24 18:05:07,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:05:07,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:05:07,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:05:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:05:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:05:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:05:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:05:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:05:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:05:07,936 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:05:07,938 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:05:08,090 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-24 18:05:08,090 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:05:08,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:05:08,110 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:05:08,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:08 BoogieIcfgContainer [2024-11-24 18:05:08,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:05:08,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:05:08,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:05:08,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:05:08,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:08" (1/1) ... [2024-11-24 18:05:08,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:05:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-24 18:05:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-24 18:05:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:05:08,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:08,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:05:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:05:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:05:08,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:08,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:08,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:05:08,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-24 18:05:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-24 18:05:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:05:08,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-24 18:05:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-24 18:05:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:05:09,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:09,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-24 18:05:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-24 18:05:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 18:05:09,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:09,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:10,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:05:10,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-24 18:05:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-24 18:05:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:05:10,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:10,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:10,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 18:05:10,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:05:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-24 18:05:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-24 18:05:11,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:05:11,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:11,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:05:11,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:05:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2024-11-24 18:05:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-11-24 18:05:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:05:11,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:11,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 18:05:11,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-24 18:05:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-11-24 18:05:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-24 18:05:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 18:05:12,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:12,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:12,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 18:05:12,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 18:05:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-11-24 18:05:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-11-24 18:05:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 18:05:13,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:13,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 18:05:13,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-24 18:05:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2024-11-24 18:05:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-11-24 18:05:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 18:05:14,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:14,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 18:05:14,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-24 18:05:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2024-11-24 18:05:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2024-11-24 18:05:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-24 18:05:15,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:15,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:16,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-24 18:05:16,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 18:05:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2024-11-24 18:05:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-11-24 18:05:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:05:17,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:17,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:17,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 18:05:17,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 18:05:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-11-24 18:05:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-11-24 18:05:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-24 18:05:18,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:18,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:20,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-24 18:05:20,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 45 proven. 233 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-24 18:05:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 62 states and 99 transitions. [2024-11-24 18:05:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2024-11-24 18:05:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 18:05:21,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:22,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-24 18:05:22,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 74 proven. 255 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-24 18:05:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2024-11-24 18:05:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2024-11-24 18:05:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 18:05:23,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:24,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 18:05:24,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 56 proven. 301 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 18:05:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2024-11-24 18:05:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2024-11-24 18:05:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 18:05:26,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:05:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:26,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 18:05:26,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:05:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 400 proven. 13 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 18:05:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 102 transitions. [2024-11-24 18:05:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2024-11-24 18:05:31,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:05:31,967 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2024-11-24 18:05:31,980 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-24 18:05:32,473 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:05:32,473 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: true [2024-11-24 18:05:32,473 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-24 18:05:32,473 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-11-24 18:05:32,474 INFO L77 FloydHoareUtils]: At program point L27-5(lines 27 36) the Hoare annotation is: true [2024-11-24 18:05:32,474 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:05:32,474 INFO L77 FloydHoareUtils]: At program point L28(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|)) [2024-11-24 18:05:32,474 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-24 18:05:32,474 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-24 18:05:32,474 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)) [2024-11-24 18:05:32,475 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-24 18:05:32,475 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))) [2024-11-24 18:05:32,475 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-24 18:05:32,475 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-24 18:05:32,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:05:32 ImpRootNode [2024-11-24 18:05:32,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:05:32,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:05:32,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:05:32,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:05:32,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:05:08" (3/4) ... [2024-11-24 18:05:32,500 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:05:32,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-24 18:05:32,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-24 18:05:32,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 18:05:32,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:05:32,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:05:32,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:05:32,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:05:32,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:05:32,595 INFO L158 Benchmark]: Toolchain (without parser) took 25096.20ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.8MB in the beginning and 53.7MB in the end (delta: 40.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-24 18:05:32,595 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:32,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.43ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 82.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:32,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:32,598 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 697.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:32,598 INFO L158 Benchmark]: RCFGBuilder took 317.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 70.0MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:05:32,602 INFO L158 Benchmark]: CodeCheck took 24382.14ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.0MB in the beginning and 59.0MB in the end (delta: 11.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-24 18:05:32,602 INFO L158 Benchmark]: Witness Printer took 99.51ms. Allocated memory is still 142.6MB. Free memory was 59.0MB in the beginning and 53.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:32,603 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: 23.8s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 976 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 603 mSDsluCounter, 1734 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1331 mSDsCounter, 1199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2249 IncrementalHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1199 mSolverCounterUnsat, 403 mSDtfsCounter, 2249 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5713 GetRequests, 5312 SyntacticMatches, 233 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12634 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 3061 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2541 ConjunctsInSsa, 445 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1948/3369 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, ConComCheckerStatistics: 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 0.77ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.43ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 82.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 697.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.97ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 70.0MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 24382.14ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.0MB in the beginning and 59.0MB in the end (delta: 11.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 99.51ms. Allocated memory is still 142.6MB. Free memory was 59.0MB in the beginning and 53.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:05:32,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38922a2-922f-433a-a69d-69526dfba745/bin/ukojak-verify-ENZ3QT5qd3/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