./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/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 e66935135411fbf96808f67125d08daf2aa12325c87064d554338ba4e7860b02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:07:59,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:07:59,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:07:59,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:07:59,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:07:59,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:07:59,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:07:59,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:07:59,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:07:59,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:07:59,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:07:59,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:07:59,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:07:59,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:07:59,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:07:59,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:07:59,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:07:59,225 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:07:59,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:07:59,226 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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/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 -> e66935135411fbf96808f67125d08daf2aa12325c87064d554338ba4e7860b02 [2024-11-25 05:07:59,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:07:59,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:07:59,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:07:59,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:07:59,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:07:59,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c [2024-11-25 05:08:02,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/data/4720ba3fa/3bb17a1b1c4c48d280b00965f42dc39e/FLAG4a1d43e70 [2024-11-25 05:08:03,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:08:03,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c [2024-11-25 05:08:03,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/data/4720ba3fa/3bb17a1b1c4c48d280b00965f42dc39e/FLAG4a1d43e70 [2024-11-25 05:08:03,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/data/4720ba3fa/3bb17a1b1c4c48d280b00965f42dc39e [2024-11-25 05:08:03,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:08:03,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:08:03,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:08:03,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:08:03,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:08:03,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7066ebfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03, skipping insertion in model container [2024-11-25 05:08:03,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:08:03,613 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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c[458,471] [2024-11-25 05:08:03,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:08:03,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:08:03,676 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_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound5.c[458,471] [2024-11-25 05:08:03,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:08:03,715 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:08:03,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03 WrapperNode [2024-11-25 05:08:03,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:08:03,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:08:03,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:08:03,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:08:03,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,760 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 05:08:03,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:08:03,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:08:03,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:08:03,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:08:03,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,779 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:08:03,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:08:03,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:08:03,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:08:03,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:03" (1/1) ... [2024-11-25 05:08:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:08:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:08:03,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:08:03,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:08:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:08:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:08:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:08:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:08:03,974 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:08:03,977 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:08:04,156 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 05:08:04,156 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:08:04,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:08:04,202 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:08:04,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:04 BoogieIcfgContainer [2024-11-25 05:08:04,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:08:04,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:08:04,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:08:04,219 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:08:04,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:04" (1/1) ... [2024-11-25 05:08:04,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:08:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 05:08:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 05:08:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:08:04,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:04,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 05:08:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 05:08:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:08:04,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:04,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:04,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:08:04,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 05:08:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 05:08:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:08:04,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:04,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 05:08:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 05:08:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:08:05,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 05:08:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 05:08:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:08:06,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:06,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:06,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 05:08:06,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:08:10,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 05:08:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 05:08:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 05:08:10,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:10,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 05:08:10,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:08:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 05:08:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 05:08:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:08:10,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:10,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:08:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:11,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-25 05:08:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 05:08:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:08:11,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:11,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:11,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:08:11,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:08:16,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-25 05:08:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 05:08:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:08:16,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:16,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:16,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:08:16,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:08:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-11-25 05:08:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 05:08:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 05:08:19,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:19,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:08:20,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-11-25 05:08:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-11-25 05:08:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:08:20,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:20,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:20,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 05:08:20,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:08:25,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-11-25 05:08:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-11-25 05:08:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 05:08:25,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:25,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:25,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:08:25,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 05:08:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-11-25 05:08:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-25 05:08:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:08:28,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:28,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 05:08:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-11-25 05:08:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-11-25 05:08:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 05:08:30,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:31,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 05:08:31,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 05:08:36,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-11-25 05:08:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-11-25 05:08:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 05:08:36,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:36,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:36,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 05:08:36,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 05:08:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-11-25 05:08:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-11-25 05:08:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 05:08:40,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:40,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 05:08:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 87 states and 156 transitions. [2024-11-25 05:08:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2024-11-25 05:08:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:08:41,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 60 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 05:08:52,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:55,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:08:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 196 transitions. [2024-11-25 05:08:56,450 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 196 transitions. [2024-11-25 05:08:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:08:56,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:08:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:56,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 05:08:56,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:08:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 05:09:02,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:09:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 43 states and 61 transitions. [2024-11-25 05:09:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-25 05:09:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 05:09:02,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:09:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:02,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 05:09:02,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:09:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 05:09:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 45 states and 65 transitions. [2024-11-25 05:09:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-25 05:09:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 05:09:07,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:09:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:09:08,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:09:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:09:08,075 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-25 05:09:08,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:09:08 ImpRootNode [2024-11-25 05:09:08,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:09:08,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:09:08,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:09:08,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:09:08,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:04" (3/4) ... [2024-11-25 05:09:08,124 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:09:08,205 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 35. [2024-11-25 05:09:08,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:09:08,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:09:08,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:09:08,297 INFO L158 Benchmark]: Toolchain (without parser) took 64944.92ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 130.9MB in the beginning and 98.3MB in the end (delta: 32.7MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2024-11-25 05:09:08,298 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:08,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.68ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 119.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:08,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:08,299 INFO L158 Benchmark]: Boogie Preprocessor took 36.87ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 117.3MB in the end (delta: 690.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:08,299 INFO L158 Benchmark]: RCFGBuilder took 404.41ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 104.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:09:08,300 INFO L158 Benchmark]: CodeCheck took 63915.72ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 104.4MB in the beginning and 106.5MB in the end (delta: -2.1MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-25 05:09:08,300 INFO L158 Benchmark]: Witness Printer took 175.60ms. Allocated memory is still 243.3MB. Free memory was 106.5MB in the beginning and 98.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:08,303 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1257 SdHoareTripleChecker+Valid, 198.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 765 mSDsluCounter, 1286 SdHoareTripleChecker+Invalid, 196.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 814 mSDsCounter, 1722 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4975 IncrementalHoareTripleChecker+Invalid, 6697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1722 mSolverCounterUnsat, 472 mSDtfsCounter, 4975 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4668 GetRequests, 4165 SyntacticMatches, 125 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74238 ImplicationChecksByTransitivity, 30.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1126 ConjunctsInSsa, 207 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 461/765 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [c=0, counter=0, k=7, x=0, y=0] [L28] EXPR counter++ VAL [c=0, counter=1, k=7, x=0, y=0] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=0, counter=1, k=7, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [c=1, counter=1, k=7, x=1, y=1] [L28] EXPR counter++ VAL [c=1, counter=2, k=7, x=1, y=1] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=1, counter=2, k=7, x=1, y=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [c=2, counter=2, k=7, x=17, y=2] [L28] EXPR counter++ VAL [c=2, counter=3, k=7, x=17, y=2] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=2, counter=3, k=7, x=17, y=2] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [c=3, counter=3, k=7, x=98, y=3] [L28] EXPR counter++ VAL [c=3, counter=4, k=7, x=98, y=3] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=3, counter=4, k=7, x=98, y=3] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [c=4, counter=4, k=7, x=354, y=4] [L28] EXPR counter++ VAL [c=4, counter=5, k=7, x=354, y=4] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=4, counter=5, k=7, x=354, y=4] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [c=5, counter=5, k=7, x=979, y=5] [L28] EXPR counter++ VAL [c=5, counter=6, k=7, x=979, y=5] [L28] COND FALSE !(counter++<5) [L39] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=6] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L39] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [c=5, counter=6, k=7, x=979, y=5] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.68ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 119.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.87ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 117.3MB in the end (delta: 690.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.41ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 104.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 63915.72ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 104.4MB in the beginning and 106.5MB in the end (delta: -2.1MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Witness Printer took 175.60ms. Allocated memory is still 243.3MB. Free memory was 106.5MB in the beginning and 98.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:09:08,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e3c41e-2fbb-4bd4-9f7f-e01ce477fa64/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE