./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC --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 56c4e94c28ef21b810dfd9735c6a4e78cb913b54bdade350dd23877b35f6607b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:45,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:45,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:45,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:45,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:45,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:45,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:45,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:45,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:45,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:45,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:45,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:45,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:45,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:45,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:45,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:45,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:45,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:45,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:45,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:45,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:45,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:45,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:45,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:45,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:45,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:45,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:45,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:45,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:45,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:45,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:45,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:45,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:45,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:45,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:45,384 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_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56c4e94c28ef21b810dfd9735c6a4e78cb913b54bdade350dd23877b35f6607b [2023-11-23 20:15:45,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:45,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:45,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:45,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:45,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:45,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c [2023-11-23 20:15:48,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:48,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:48,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound100.c [2023-11-23 20:15:49,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/data/c89b2a53a/e0996d55fde04e18a440c45f81c4aa21/FLAGfad2878b3 [2023-11-23 20:15:49,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/data/c89b2a53a/e0996d55fde04e18a440c45f81c4aa21 [2023-11-23 20:15:49,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:49,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:49,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:49,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:49,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:49,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a00f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49, skipping insertion in model container [2023-11-23 20:15:49,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:49,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:49,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:49,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:49,351 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:49,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49 WrapperNode [2023-11-23 20:15:49,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:49,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:49,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:49,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:49,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,400 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-23 20:15:49,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:49,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:49,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:49,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:49,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:49,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:49,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:49,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:49,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:49,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:49,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:49,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91746f44-b825-4b23-851c-103a3515d078/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:49,584 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:49,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:49,737 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:49,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:49,769 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:15:49,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:49 BoogieIcfgContainer [2023-11-23 20:15:49,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:49,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:49,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:49,783 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:49,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:49" (1/1) ... [2023-11-23 20:15:49,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-23 20:15:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-23 20:15:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:15:49,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:15:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:15:50,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:15:50,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-23 20:15:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-23 20:15:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:15:50,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:15:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:15:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:15:50,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-23 20:15:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-23 20:15:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:51,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 37 transitions. [2023-11-23 20:15:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:15:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:51,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 49 transitions. [2023-11-23 20:15:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-23 20:15:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:15:52,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 61 transitions. [2023-11-23 20:15:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-23 20:15:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:15:52,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 73 transitions. [2023-11-23 20:15:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-23 20:15:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:15:53,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 85 transitions. [2023-11-23 20:15:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-23 20:15:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:15:53,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 98 transitions. [2023-11-23 20:15:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-23 20:15:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:15:56,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 110 transitions. [2023-11-23 20:15:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-23 20:15:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:15:56,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 85 states and 122 transitions. [2023-11-23 20:15:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-11-23 20:15:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:15:58,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:58,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:58,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:15:58,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 134 transitions. [2023-11-23 20:15:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-23 20:15:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:15:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:59,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:15:59,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 30 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 147 transitions. [2023-11-23 20:16:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-23 20:16:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:16:01,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 159 transitions. [2023-11-23 20:16:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-11-23 20:16:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:16:02,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 172 transitions. [2023-11-23 20:16:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2023-11-23 20:16:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 20:16:04,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:04,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:16:04,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 663 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 125 states and 184 transitions. [2023-11-23 20:16:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2023-11-23 20:16:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:16:05,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 196 transitions. [2023-11-23 20:16:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2023-11-23 20:16:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 20:16:07,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:07,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:07,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:16:07,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 45 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 141 states and 209 transitions. [2023-11-23 20:16:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2023-11-23 20:16:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 20:16:09,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:09,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:09,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 20:16:09,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 149 states and 221 transitions. [2023-11-23 20:16:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2023-11-23 20:16:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 20:16:11,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:11,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:11,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 20:16:11,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 51 proven. 1088 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 234 transitions. [2023-11-23 20:16:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2023-11-23 20:16:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:16:12,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:12,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:13,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 20:16:13,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 165 states and 246 transitions. [2023-11-23 20:16:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2023-11-23 20:16:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-23 20:16:14,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:14,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:14,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 20:16:14,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 173 states and 258 transitions. [2023-11-23 20:16:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2023-11-23 20:16:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 20:16:15,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-23 20:16:15,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 60 proven. 1520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 181 states and 270 transitions. [2023-11-23 20:16:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-23 20:16:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:16:16,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:17,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-23 20:16:17,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 63 proven. 1680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 189 states and 282 transitions. [2023-11-23 20:16:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 282 transitions. [2023-11-23 20:16:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:16:18,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-23 20:16:18,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 66 proven. 1848 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 197 states and 294 transitions. [2023-11-23 20:16:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 294 transitions. [2023-11-23 20:16:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 20:16:19,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:20,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-23 20:16:20,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 2093 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 205 states and 306 transitions. [2023-11-23 20:16:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-23 20:16:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 20:16:24,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:24,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-23 20:16:24,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 72 proven. 2208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 213 states and 319 transitions. [2023-11-23 20:16:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 319 transitions. [2023-11-23 20:16:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 20:16:27,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:27,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-23 20:16:27,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 0 proven. 2475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 221 states and 331 transitions. [2023-11-23 20:16:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 331 transitions. [2023-11-23 20:16:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-23 20:16:29,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:29,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 20:16:29,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2678 backedges. 0 proven. 2678 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 229 states and 343 transitions. [2023-11-23 20:16:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 343 transitions. [2023-11-23 20:16:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 20:16:31,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2889 backedges. 0 proven. 2889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 237 states and 355 transitions. [2023-11-23 20:16:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 355 transitions. [2023-11-23 20:16:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-23 20:16:34,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:34,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-23 20:16:34,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3108 backedges. 84 proven. 3024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:16:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 245 states and 368 transitions. [2023-11-23 20:16:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 368 transitions. [2023-11-23 20:16:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-23 20:16:37,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:38,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-23 20:16:38,181 INFO L285 TraceCheckSpWp]: Computing forward predicates...