./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:29:02,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:29:02,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:29:02,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:29:02,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:29:02,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:29:02,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:29:02,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:29:02,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:29:02,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:29:02,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:29:02,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:29:02,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:29:02,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:29:02,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:02,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:29:02,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:29:02,250 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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/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 -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2024-11-25 02:29:02,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:29:02,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:29:02,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:29:02,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:29:02,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:29:02,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-11-25 02:29:05,543 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/data/d81d1921a/15d6c7c48a354c8691969687c9904e8a/FLAG8af5952db [2024-11-25 02:29:05,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:29:05,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-11-25 02:29:05,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/data/d81d1921a/15d6c7c48a354c8691969687c9904e8a/FLAG8af5952db [2024-11-25 02:29:05,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/data/d81d1921a/15d6c7c48a354c8691969687c9904e8a [2024-11-25 02:29:05,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:29:05,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:29:05,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:05,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:29:05,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:29:05,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:05" (1/1) ... [2024-11-25 02:29:05,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f6ad4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:05, skipping insertion in model container [2024-11-25 02:29:05,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:05" (1/1) ... [2024-11-25 02:29:05,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:29:06,193 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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-25 02:29:06,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:06,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:29:06,242 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_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-25 02:29:06,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:06,275 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:29:06,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06 WrapperNode [2024-11-25 02:29:06,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:06,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:06,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:29:06,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:29:06,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,313 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 02:29:06,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:06,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:29:06,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:29:06,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:29:06,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:29:06,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:29:06,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:29:06,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:29:06,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:29:06,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:29:06,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:29:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:29:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:29:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:29:06,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:29:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:29:06,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:29:06,474 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:29:06,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:29:06,626 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:29:06,626 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:29:06,680 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:29:06,680 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:29:06,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:06 BoogieIcfgContainer [2024-11-25 02:29:06,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:29:06,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:29:06,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:29:06,695 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:29:06,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:06" (1/1) ... [2024-11-25 02:29:06,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:29:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 02:29:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 02:29:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:29:06,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:06,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:06,909 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 02:29:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 02:29:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 02:29:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:29:06,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:07,276 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 02:29:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 02:29:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 02:29:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:07,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:07,571 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 02:29:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-25 02:29:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 02:29:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:29:07,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:07,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:08,100 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 02:29:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-25 02:29:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 02:29:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:29:08,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:08,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:29:08,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:08,757 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 02:29:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-25 02:29:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-25 02:29:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:29:09,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:09,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:29:09,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:29:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-25 02:29:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-25 02:29:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:29:11,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:29:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:12,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2024-11-25 02:29:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-11-25 02:29:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 02:29:12,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:29:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:13,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-11-25 02:29:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-11-25 02:29:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:29:13,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:13,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:29:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 116 transitions. [2024-11-25 02:29:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-11-25 02:29:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:29:22,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:22,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:29:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 123 transitions. [2024-11-25 02:29:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 123 transitions. [2024-11-25 02:29:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:29:25,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:29:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 125 transitions. [2024-11-25 02:29:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2024-11-25 02:29:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:29:26,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:26,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:26,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:29:26,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 143 transitions. [2024-11-25 02:29:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2024-11-25 02:29:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:29:30,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:30,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:29:30,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:29:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 71 states and 148 transitions. [2024-11-25 02:29:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 148 transitions. [2024-11-25 02:29:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:29:32,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:32,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:29:32,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 73 states and 149 transitions. [2024-11-25 02:29:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-11-25 02:29:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:29:34,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:34,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:29:34,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 75 states and 150 transitions. [2024-11-25 02:29:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2024-11-25 02:29:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:29:36,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:36,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:29:36,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 83 states and 174 transitions. [2024-11-25 02:29:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 174 transitions. [2024-11-25 02:29:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:29:41,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 94 states and 202 transitions. [2024-11-25 02:29:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2024-11-25 02:29:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:29:48,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:48,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:29:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 99 states and 214 transitions. [2024-11-25 02:29:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 214 transitions. [2024-11-25 02:29:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:29:52,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:52,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:29:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 106 states and 235 transitions. [2024-11-25 02:29:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2024-11-25 02:29:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:29:58,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:29:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:59,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:29:59,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:30:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 119 states and 276 transitions. [2024-11-25 02:30:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 276 transitions. [2024-11-25 02:30:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:30:53,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:30:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:53,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:30:53,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-25 02:30:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 122 states and 288 transitions. [2024-11-25 02:30:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2024-11-25 02:30:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:30:56,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:56,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:30:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:56,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:30:56,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:31:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 125 states and 304 transitions. [2024-11-25 02:31:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 304 transitions. [2024-11-25 02:31:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:31:22,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:22,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:31:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 131 states and 319 transitions. [2024-11-25 02:31:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 319 transitions. [2024-11-25 02:31:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:31:30,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:30,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:31:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 133 states and 323 transitions. [2024-11-25 02:31:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 323 transitions. [2024-11-25 02:31:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:31:31,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:31,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:31:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:31,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:31:31,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:31:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 75 states and 159 transitions. [2024-11-25 02:31:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 159 transitions. [2024-11-25 02:31:32,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:31:32,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:32,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:31:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:32,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:31:32,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 02:32:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 77 states and 165 transitions. [2024-11-25 02:32:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2024-11-25 02:32:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:32:16,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 02:32:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 47 states and 79 transitions. [2024-11-25 02:32:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 02:32:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 02:32:19,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:19,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:19,569 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:32:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:32:19,606 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2024-11-25 02:32:19,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:32:19 ImpRootNode [2024-11-25 02:32:19,638 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:32:19,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:32:19,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:32:19,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:32:19,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:06" (3/4) ... [2024-11-25 02:32:19,641 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:32:19,694 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 32. [2024-11-25 02:32:19,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:32:19,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:32:19,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:32:19,781 INFO L158 Benchmark]: Toolchain (without parser) took 193816.36ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 94.1MB in the beginning and 129.9MB in the end (delta: -35.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-25 02:32:19,781 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:19,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.86ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:19,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:19,787 INFO L158 Benchmark]: Boogie Preprocessor took 31.41ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 637.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:32:19,787 INFO L158 Benchmark]: RCFGBuilder took 334.96ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 66.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:32:19,788 INFO L158 Benchmark]: CodeCheck took 192954.93ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.7MB in the beginning and 135.9MB in the end (delta: -69.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:19,789 INFO L158 Benchmark]: Witness Printer took 140.77ms. Allocated memory is still 218.1MB. Free memory was 135.9MB in the beginning and 129.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:32:19,791 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 192.9s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2792 SdHoareTripleChecker+Valid, 49.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1424 mSDsluCounter, 2390 SdHoareTripleChecker+Invalid, 46.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 855 mSDsCounter, 3012 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11103 IncrementalHoareTripleChecker+Invalid, 14115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3012 mSolverCounterUnsat, 1535 mSDtfsCounter, 11103 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9439 GetRequests, 8848 SyntacticMatches, 153 SemanticMatches, 438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97320 ImplicationChecksByTransitivity, 183.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 59.6s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 2954 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 27 InterpolantComputations, 10 PerfectInterpolantSequences, 1112/1249 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: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] unsigned int r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=-4294967295, B=1, counter=0, d=1, p=1, q=0, r=-4294967295] [L35] EXPR counter++ VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=-4294967295, B=1, counter=1, d=1, p=1, q=0, r=-4294967295] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=-4294967295, B=1, counter=1, d=2, p=2, q=0, r=-4294967295] [L35] EXPR counter++ VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(q == 0) VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(r == A) VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L39] COND TRUE !(r >= d) VAL [A=-4294967295, B=1, counter=2, d=2, p=2, q=0, r=-4294967295] [L45] EXPR counter++ VAL [A=-4294967295, B=1, counter=3, d=2, p=2, q=0, r=-4294967295] [L45] COND FALSE !(counter++<2) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=-4294967295, B=1, counter=3, d=2, p=2, q=0, r=-4294967295] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.86ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.71ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.41ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 637.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.96ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 66.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 192954.93ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 66.7MB in the beginning and 135.9MB in the end (delta: -69.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 140.77ms. Allocated memory is still 218.1MB. Free memory was 135.9MB in the beginning and 129.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:32:20,006 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:32:20,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdbfa50a-34db-4a9e-a5a1-5114229e83b8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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