./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c49641164907d0e2939c5443b0376a8e4377b34a58fd804ad01c6cf7d42c55dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:28,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:28,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:36:28,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:36:28,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:36:28,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:28,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:28,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:28,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:28,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:28,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:28,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:28,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:28,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:28,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:36:28,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:28,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:28,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:28,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:28,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:28,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:28,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:28,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:28,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:28,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:28,881 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:36:28,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:36:28,882 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_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c49641164907d0e2939c5443b0376a8e4377b34a58fd804ad01c6cf7d42c55dc [2024-11-13 20:36:29,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:29,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:29,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:29,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:29,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:29,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/divbin.i Unable to find full path for "g++" [2024-11-13 20:36:31,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:31,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:31,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/sv-benchmarks/c/nla-digbench/divbin.i [2024-11-13 20:36:31,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/data/46cc204d3/b4e6acc5b9d64155aeb5aaf05a4c14e8/FLAG1d0bb6c09 [2024-11-13 20:36:31,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/data/46cc204d3/b4e6acc5b9d64155aeb5aaf05a4c14e8 [2024-11-13 20:36:31,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:31,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:31,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:31,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:31,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:31,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:31,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6f4532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31, skipping insertion in model container [2024-11-13 20:36:31,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:31,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:31,882 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_dca34682-996b-403d-9113-d7e78af8b492/sv-benchmarks/c/nla-digbench/divbin.i[950,963] [2024-11-13 20:36:31,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:31,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:31,940 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_dca34682-996b-403d-9113-d7e78af8b492/sv-benchmarks/c/nla-digbench/divbin.i[950,963] [2024-11-13 20:36:31,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:31,982 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:31,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31 WrapperNode [2024-11-13 20:36:31,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:31,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:31,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:31,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:31,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:31,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,017 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-13 20:36:32,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:32,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:32,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:32,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:32,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:32,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:32,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:32,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:32,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:31" (1/1) ... [2024-11-13 20:36:32,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:32,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:32,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:32,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca34682-996b-403d-9113-d7e78af8b492/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:36:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:36:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:36:32,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:32,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:32,389 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:32,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:32,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:32,438 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:36:32,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:32 BoogieIcfgContainer [2024-11-13 20:36:32,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:32,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:32,440 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:32,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:32,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:32" (1/1) ... [2024-11-13 20:36:32,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 20:36:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 20:36:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:36:32,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:32,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:36:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 20:36:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 20:36:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:36:32,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:36:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:32,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:36:32,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:36:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-13 20:36:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-13 20:36:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:36:33,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:33,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:36:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-11-13 20:36:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-13 20:36:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:36:34,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:34,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:36:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 20:36:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 20:36:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:36:35,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:36:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:35,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:36:35,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:36:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 57 transitions. [2024-11-13 20:36:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-13 20:36:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:36:39,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:36:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:40,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:36:40,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:36:57,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 70 transitions. [2024-11-13 20:36:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2024-11-13 20:36:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:36:59,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:37:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 78 transitions. [2024-11-13 20:37:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-13 20:37:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:37:04,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:37:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:04,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 20:37:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:37:22,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:37:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 94 transitions. [2024-11-13 20:37:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2024-11-13 20:37:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:37:29,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:29,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:37:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:30,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:37:30,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:12,121 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:38:22,157 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:38:49,149 WARN L286 SmtUtils]: Spent 26.99s on a formula simplification. DAG size of input: 32 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:39:00,712 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:39:18,964 WARN L286 SmtUtils]: Spent 18.24s on a formula simplification. DAG size of input: 19 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:39:37,130 WARN L286 SmtUtils]: Spent 18.17s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:39:43,957 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification. DAG size of input: 18 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:40:09,147 WARN L286 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:40:21,843 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:40:36,484 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 19 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:40:48,840 WARN L286 SmtUtils]: Spent 12.35s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:41:04,745 WARN L286 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:41:15,780 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:41:40,418 WARN L286 SmtUtils]: Spent 20.04s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:41:50,464 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:42:00,747 WARN L286 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:42:20,797 WARN L286 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:42:40,823 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:43:00,885 WARN L286 SmtUtils]: Spent 20.05s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:43:21,822 WARN L286 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:43:33,321 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:43:44,536 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:43:56,383 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:44:15,924 WARN L286 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 20:44:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:44:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 99 transitions. [2024-11-13 20:44:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2024-11-13 20:44:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:44:23,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:25,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 20:44:25,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:45:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 115 transitions. [2024-11-13 20:45:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 115 transitions. [2024-11-13 20:45:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 20:45:57,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:01,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:46:01,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:48:37,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 20:48:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 139 transitions. [2024-11-13 20:48:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2024-11-13 20:48:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:48:37,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:50:40,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:51:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 79 states and 143 transitions. [2024-11-13 20:51:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2024-11-13 20:51:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:51:33,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:40,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:51:40,010 INFO L278 TraceCheckSpWp]: Computing forward predicates...