./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi --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 a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:21,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:21,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:57:21,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:21,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:21,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:21,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:21,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:21,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:21,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:21,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:21,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:21,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:21,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:21,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:21,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:21,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:21,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:21,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:21,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:21,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:21,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:21,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:21,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:21,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:21,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:21,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:21,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:21,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:21,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:21,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:21,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:21,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:21,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:21,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:21,474 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_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 [2023-11-24 22:57:21,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:21,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:21,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:21,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:21,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:21,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2023-11-24 22:57:25,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:25,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:25,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2023-11-24 22:57:25,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/data/9612b10cb/e17e9cb16caa40fe9d6e24be5a6a39ae/FLAG99dc2cb15 [2023-11-24 22:57:25,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/data/9612b10cb/e17e9cb16caa40fe9d6e24be5a6a39ae [2023-11-24 22:57:25,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:25,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:25,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:25,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:25,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:25,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26db3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25, skipping insertion in model container [2023-11-24 22:57:25,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:25,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:25,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:25,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:25,833 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:25,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25 WrapperNode [2023-11-24 22:57:25,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:25,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:25,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:25,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:25,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,890 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-11-24 22:57:25,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:25,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:25,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:25,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:25,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:25,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:25,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:25,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:25,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:25" (1/1) ... [2023-11-24 22:57:25,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:25,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:25,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb4036e1-a061-4cf5-b793-3f0fa41b4483/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:57:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:57:26,097 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:26,100 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:26,973 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:27,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:27,013 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:57:27,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:27 BoogieIcfgContainer [2023-11-24 22:57:27,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:27,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:27,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:27,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:27,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:27" (1/1) ... [2023-11-24 22:57:27,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2023-11-24 22:57:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2023-11-24 22:57:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:57:27,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 217 states and 229 transitions. [2023-11-24 22:57:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2023-11-24 22:57:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:57:27,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 216 states and 228 transitions. [2023-11-24 22:57:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2023-11-24 22:57:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:27,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 215 states and 227 transitions. [2023-11-24 22:57:27,558 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2023-11-24 22:57:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:57:27,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 214 states and 226 transitions. [2023-11-24 22:57:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2023-11-24 22:57:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:57:27,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 213 states and 225 transitions. [2023-11-24 22:57:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2023-11-24 22:57:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:27,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:27,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 212 states and 224 transitions. [2023-11-24 22:57:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2023-11-24 22:57:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:27,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:27,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 223 transitions. [2023-11-24 22:57:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2023-11-24 22:57:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:57:27,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 210 states and 222 transitions. [2023-11-24 22:57:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-11-24 22:57:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:28,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 221 transitions. [2023-11-24 22:57:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2023-11-24 22:57:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:28,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 208 states and 220 transitions. [2023-11-24 22:57:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2023-11-24 22:57:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:28,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 207 states and 219 transitions. [2023-11-24 22:57:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2023-11-24 22:57:28,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:28,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:57:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 218 transitions. [2023-11-24 22:57:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-24 22:57:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:57:29,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:29,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 217 transitions. [2023-11-24 22:57:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2023-11-24 22:57:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:57:29,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:29,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:29,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:57:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 204 states and 216 transitions. [2023-11-24 22:57:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2023-11-24 22:57:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:30,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:30,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 206 states and 218 transitions. [2023-11-24 22:57:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-24 22:57:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:57:31,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:31,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:31,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:31,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 209 states and 223 transitions. [2023-11-24 22:57:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-11-24 22:57:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:57:32,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:32,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:32,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:32,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 214 states and 234 transitions. [2023-11-24 22:57:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 234 transitions. [2023-11-24 22:57:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:57:34,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:34,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:34,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:34,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 219 states and 245 transitions. [2023-11-24 22:57:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2023-11-24 22:57:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:57:35,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 225 states and 258 transitions. [2023-11-24 22:57:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2023-11-24 22:57:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:57:37,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:37,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:57:37,669 INFO L285 TraceCheckSpWp]: Computing forward predicates...