./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/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 d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:05:51,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:05:51,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:05:51,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:05:51,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:05:51,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:05:51,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:05:51,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:05:51,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:05:51,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:05:51,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:05:51,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:05:51,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:05:51,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:05:51,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:05:51,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:05:51,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:05:51,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:05:51,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:05:51,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:05:51,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:05:51,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:05:51,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:05:51,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:05:51,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:05:51,304 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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/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 -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2024-11-25 04:05:51,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:05:51,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:05:51,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:05:51,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:05:51,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:05:51,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2024-11-25 04:05:54,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/data/8e08699e5/a5d07946aeeb427c8a10cbc75bf38873/FLAG0df2f20fd [2024-11-25 04:05:55,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:05:55,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2024-11-25 04:05:55,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/data/8e08699e5/a5d07946aeeb427c8a10cbc75bf38873/FLAG0df2f20fd [2024-11-25 04:05:55,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/data/8e08699e5/a5d07946aeeb427c8a10cbc75bf38873 [2024-11-25 04:05:55,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:05:55,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:05:55,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:05:55,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:05:55,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:05:55,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454fb1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55, skipping insertion in model container [2024-11-25 04:05:55,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:05:55,351 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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2024-11-25 04:05:55,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:05:55,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:05:55,402 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_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2024-11-25 04:05:55,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:05:55,430 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:05:55,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55 WrapperNode [2024-11-25 04:05:55,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:05:55,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:05:55,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:05:55,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:05:55,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,464 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-11-25 04:05:55,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:05:55,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:05:55,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:05:55,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:05:55,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,486 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:05:55,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:05:55,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:05:55,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:05:55,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:05:55,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:05:55,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:05:55,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:05:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:05:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:05:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:05:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:05:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:05:55,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:05:55,659 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:05:55,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:05:55,864 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:05:55,864 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:05:55,899 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:05:55,899 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:05:55,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55 BoogieIcfgContainer [2024-11-25 04:05:55,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:05:55,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:05:55,901 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:05:55,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:05:55,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55" (1/1) ... [2024-11-25 04:05:55,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:05:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:05:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:05:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:05:56,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:56,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,186 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 04:05:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:05:56,210 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:05:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:05:56,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:56,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:05:56,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:56,413 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 04:05:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 04:05:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 04:05:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:05:56,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:56,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:56,716 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 04:05:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 04:05:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 04:05:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:05:57,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:57,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:05:57,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-25 04:05:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-25 04:05:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:05:57,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:57,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:05:57,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:57,426 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 04:05:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-11-25 04:05:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-11-25 04:05:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:05:57,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-25 04:05:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-25 04:05:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:05:58,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:58,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:05:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:59,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-11-25 04:05:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-11-25 04:05:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:05:59,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:59,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:05:59,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:06:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-11-25 04:06:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-25 04:06:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:06:01,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:01,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:01,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:06:01,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:06:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-11-25 04:06:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-11-25 04:06:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:06:02,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:06:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:03,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-11-25 04:06:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-25 04:06:03,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:06:03,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:03,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 04:06:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-11-25 04:06:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-11-25 04:06:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:06:03,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:03,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:06:03,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:06:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-11-25 04:06:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-11-25 04:06:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:06:06,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:06,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:06,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:06,900 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 04:06:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-11-25 04:06:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-11-25 04:06:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:06:07,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:06:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2024-11-25 04:06:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2024-11-25 04:06:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:06:08,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:06:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2024-11-25 04:06:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2024-11-25 04:06:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:06:09,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:09,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:06:09,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:06:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2024-11-25 04:06:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2024-11-25 04:06:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:06:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:12,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:06:12,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:06:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2024-11-25 04:06:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2024-11-25 04:06:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:06:12,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:12,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:06:14,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 83 states and 158 transitions. [2024-11-25 04:06:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 158 transitions. [2024-11-25 04:06:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:06:14,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:14,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-25 04:06:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 160 transitions. [2024-11-25 04:06:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2024-11-25 04:06:15,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:06:15,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:15,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:15,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:06:15,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 04:06:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 93 states and 179 transitions. [2024-11-25 04:06:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2024-11-25 04:06:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:06:19,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 04:06:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 45 states and 71 transitions. [2024-11-25 04:06:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2024-11-25 04:06:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:06:25,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:25,808 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:06:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:25,867 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-11-25 04:06:25,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:06:25 ImpRootNode [2024-11-25 04:06:25,920 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:06:25,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:06:25,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:06:25,921 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:06:25,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:05:55" (3/4) ... [2024-11-25 04:06:25,923 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:06:25,998 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 29. [2024-11-25 04:06:26,085 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:06:26,085 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:06:26,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:06:26,086 INFO L158 Benchmark]: Toolchain (without parser) took 30978.97ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 119.7MB in the beginning and 179.4MB in the end (delta: -59.8MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-25 04:06:26,087 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:26,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.59ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:26,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:26,088 INFO L158 Benchmark]: Boogie Preprocessor took 36.15ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 562.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:26,088 INFO L158 Benchmark]: RCFGBuilder took 398.15ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.5MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:26,088 INFO L158 Benchmark]: CodeCheck took 30018.93ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 95.5MB in the beginning and 185.0MB in the end (delta: -89.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-25 04:06:26,089 INFO L158 Benchmark]: Witness Printer took 164.91ms. Allocated memory is still 268.4MB. Free memory was 185.0MB in the beginning and 179.4MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:26,091 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: 29.9s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1545 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 927 mSDsluCounter, 1513 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 923 mSDsCounter, 2049 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5831 IncrementalHoareTripleChecker+Invalid, 7880 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2049 mSolverCounterUnsat, 590 mSDtfsCounter, 5831 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5048 GetRequests, 4569 SyntacticMatches, 119 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62944 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 1793 SizeOfPredicates, 12 NumberOfNonLiveVariables, 920 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 432/693 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() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [c=0, counter=0, k=7, x=0, y=0] [L27] EXPR counter++ VAL [c=0, counter=1, k=7, x=0, y=0] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=0, counter=1, k=7, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=1, counter=1, k=7, x=1, y=1] [L27] EXPR counter++ VAL [c=1, counter=2, k=7, x=1, y=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=1, counter=2, k=7, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=2, counter=2, k=7, x=9, y=2] [L27] EXPR counter++ VAL [c=2, counter=3, k=7, x=9, y=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=2, counter=3, k=7, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=3, counter=3, k=7, x=36, y=3] [L27] EXPR counter++ VAL [c=3, counter=4, k=7, x=36, y=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=3, counter=4, k=7, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=4, counter=4, k=7, x=100, y=4] [L27] EXPR counter++ VAL [c=4, counter=5, k=7, x=100, y=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=4, counter=5, k=7, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=5, counter=5, k=7, x=225, y=5] [L27] EXPR counter++ VAL [c=5, counter=6, k=7, x=225, y=5] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.59ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.15ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 562.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.15ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 95.5MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 30018.93ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 95.5MB in the beginning and 185.0MB in the end (delta: -89.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 164.91ms. Allocated memory is still 268.4MB. Free memory was 185.0MB in the beginning and 179.4MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:06:26,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_554b3dbb-fa26-48d5-8d21-2f6b3f7aef43/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