./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e05249da124fa8fd89a00721e51c7b41eff3d4952cff855bee564f7b5deef09 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:37:58,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:37:58,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:37:58,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:37:58,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:37:58,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:37:58,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:37:58,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:37:58,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:37:58,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:37:58,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:37:58,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:37:58,974 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:37:58,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:37:58,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:37:58,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:37:58,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:37:58,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:37:58,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:37:58,978 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:37:58,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:37:58,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:37:58,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:37:58,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:37:58,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:37:58,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:37:58,982 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:37:58,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:37:58,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:58,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:37:58,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:37:58,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:37:58,985 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:37:58,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:37:58,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:37:58,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e05249da124fa8fd89a00721e51c7b41eff3d4952cff855bee564f7b5deef09 [2023-12-02 23:37:59,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:37:59,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:37:59,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:37:59,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:37:59,231 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:37:59,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2023-12-02 23:38:01,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:38:02,056 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:38:02,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound2.c [2023-12-02 23:38:02,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/data/b51a450b5/7f6b43a7ea1940d78b9bc8382db66b59/FLAG122765c93 [2023-12-02 23:38:02,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/data/b51a450b5/7f6b43a7ea1940d78b9bc8382db66b59 [2023-12-02 23:38:02,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:38:02,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:38:02,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:38:02,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:38:02,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:38:02,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479f58f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02, skipping insertion in model container [2023-12-02 23:38:02,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:38:02,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:38:02,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:38:02,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:38:02,330 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:38:02,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02 WrapperNode [2023-12-02 23:38:02,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:38:02,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:38:02,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:38:02,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:38:02,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,371 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-12-02 23:38:02,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:38:02,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:38:02,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:38:02,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:38:02,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:38:02,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:38:02,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:38:02,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:38:02,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:38:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:38:02,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:38:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc84b31-ced5-481c-9cbe-6d36f30cc0c8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:38:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:38:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:38:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:38:02,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:38:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:38:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:38:02,535 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:38:02,537 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:38:02,784 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:38:02,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:38:02,817 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:38:02,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:38:02 BoogieIcfgContainer [2023-12-02 23:38:02,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:38:02,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:38:02,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:38:02,828 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:38:02,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:38:02" (1/1) ... [2023-12-02 23:38:02,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:38:02,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 70 states and 73 transitions. [2023-12-02 23:38:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2023-12-02 23:38:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:38:02,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-12-02 23:38:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-12-02 23:38:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:38:03,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-12-02 23:38:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-12-02 23:38:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:38:03,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 78 states and 84 transitions. [2023-12-02 23:38:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2023-12-02 23:38:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:38:03,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2023-12-02 23:38:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2023-12-02 23:38:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:38:03,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2023-12-02 23:38:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-12-02 23:38:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:38:04,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2023-12-02 23:38:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2023-12-02 23:38:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:38:04,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2023-12-02 23:38:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2023-12-02 23:38:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:38:04,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 90 states and 104 transitions. [2023-12-02 23:38:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2023-12-02 23:38:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:38:04,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 92 states and 108 transitions. [2023-12-02 23:38:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2023-12-02 23:38:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:38:05,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:05,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:05,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 103 states and 125 transitions. [2023-12-02 23:38:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2023-12-02 23:38:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:38:06,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:06,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:06,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 107 states and 132 transitions. [2023-12-02 23:38:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2023-12-02 23:38:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:38:06,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:06,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:06,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:06,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:07,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 111 states and 136 transitions. [2023-12-02 23:38:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 136 transitions. [2023-12-02 23:38:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:38:07,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:07,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 112 states and 137 transitions. [2023-12-02 23:38:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2023-12-02 23:38:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:38:07,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 115 states and 143 transitions. [2023-12-02 23:38:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 143 transitions. [2023-12-02 23:38:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:38:07,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 132 states and 167 transitions. [2023-12-02 23:38:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2023-12-02 23:38:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:38:08,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:08,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:08,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:08,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 136 states and 176 transitions. [2023-12-02 23:38:10,139 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 176 transitions. [2023-12-02 23:38:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:38:10,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:10,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:10,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:10,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 154 states and 202 transitions. [2023-12-02 23:38:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2023-12-02 23:38:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:38:11,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:11,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:11,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:11,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 153 states and 201 transitions. [2023-12-02 23:38:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2023-12-02 23:38:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:38:12,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:12,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:12,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:12,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 156 states and 205 transitions. [2023-12-02 23:38:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2023-12-02 23:38:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:38:14,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:14,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:14,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 162 states and 217 transitions. [2023-12-02 23:38:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 217 transitions. [2023-12-02 23:38:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:38:17,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:17,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:17,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 166 states and 222 transitions. [2023-12-02 23:38:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 222 transitions. [2023-12-02 23:38:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:38:18,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:18,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:18,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:24,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:38:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 173 states and 234 transitions. [2023-12-02 23:38:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 234 transitions. [2023-12-02 23:38:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:38:34,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:34,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:34,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:34,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 172 states and 233 transitions. [2023-12-02 23:38:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 233 transitions. [2023-12-02 23:38:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:38:34,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:34,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:34,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-02 23:38:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-02 23:38:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:38:39,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:39,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:39,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:38:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 186 states and 253 transitions. [2023-12-02 23:38:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 253 transitions. [2023-12-02 23:38:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:38:40,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:40,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:38:40,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 195 states and 268 transitions. [2023-12-02 23:39:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 268 transitions. [2023-12-02 23:39:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:39:01,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:01,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:01,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:39:01,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 202 states and 278 transitions. [2023-12-02 23:39:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 278 transitions. [2023-12-02 23:39:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:39:14,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:14,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:39:14,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:39:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 212 states and 294 transitions. [2023-12-02 23:39:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 294 transitions. [2023-12-02 23:39:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:39:54,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:39:54,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 220 states and 305 transitions. [2023-12-02 23:40:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2023-12-02 23:40:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:40:11,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:11,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:11,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:11,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 231 states and 322 transitions. [2023-12-02 23:41:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2023-12-02 23:41:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:41:21,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:21,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:41:21,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:41:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 241 states and 335 transitions. [2023-12-02 23:41:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2023-12-02 23:41:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:41:59,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:59,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:59,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 266 states and 390 transitions. [2023-12-02 23:42:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 390 transitions. [2023-12-02 23:42:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:42:18,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:18,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:18,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:35,606 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:42:51,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 291 states and 446 transitions. [2023-12-02 23:42:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 446 transitions. [2023-12-02 23:42:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:42:51,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:51,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:51,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 306 states and 483 transitions. [2023-12-02 23:47:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 483 transitions. [2023-12-02 23:47:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:47:07,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:47:21,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:47:22,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:49:19,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:49:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 322 states and 513 transitions. [2023-12-02 23:49:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 513 transitions. [2023-12-02 23:49:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:49:20,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:20,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:20,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:49:20,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 323 states and 521 transitions. [2023-12-02 23:49:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 521 transitions. [2023-12-02 23:49:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:49:22,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:22,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:22,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:49:22,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 325 states and 524 transitions. [2023-12-02 23:49:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 524 transitions. [2023-12-02 23:49:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:49:24,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:24,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:49:24,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:43,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 326 states and 529 transitions. [2023-12-02 23:49:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 529 transitions. [2023-12-02 23:49:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:49:43,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:43,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:43,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:49:43,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 328 states and 533 transitions. [2023-12-02 23:49:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 533 transitions. [2023-12-02 23:49:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:49:50,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:50,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:49:50,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 328 states and 532 transitions. [2023-12-02 23:50:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 532 transitions. [2023-12-02 23:50:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:50:36,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:36,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:50:36,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:50:48,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:51:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 347 states and 563 transitions. [2023-12-02 23:51:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 563 transitions. [2023-12-02 23:51:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:51:28,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:28,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:51:28,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 565 transitions. [2023-12-02 23:51:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 565 transitions. [2023-12-02 23:51:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:51:29,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:29,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:51:29,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 355 states and 576 transitions. [2023-12-02 23:51:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 576 transitions. [2023-12-02 23:51:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:51:34,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:34,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:51:34,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:51:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 356 states and 578 transitions. [2023-12-02 23:51:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 578 transitions. [2023-12-02 23:51:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:51:38,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:38,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:51:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:38,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:51:38,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:52:19,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:52:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 365 states and 594 transitions. [2023-12-02 23:52:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 594 transitions. [2023-12-02 23:52:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:52:19,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:52:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:52:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:52:19,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:52:19,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:52:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.