./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2 --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 e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:30,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:30,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:30,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:30,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:30,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:30,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:30,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:30,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:30,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:30,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:30,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:30,575 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:30,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:30,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:30,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:30,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:30,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:30,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:30,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:30,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:30,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:30,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:30,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:30,589 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:30,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:30,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:30,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:30,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:30,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:30,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:30,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:30,595 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:30,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:30,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:30,596 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_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 [2023-11-21 18:52:30,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:30,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:30,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:30,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:30,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:30,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/egcd-both-t.c [2023-11-21 18:52:34,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:34,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:34,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/sv-benchmarks/c/termination-nla/egcd-both-t.c [2023-11-21 18:52:34,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/data/fcdbb69ec/8347e8f52d854679b3d23bd45a208aeb/FLAG25eb2c83c [2023-11-21 18:52:34,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/data/fcdbb69ec/8347e8f52d854679b3d23bd45a208aeb [2023-11-21 18:52:34,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:34,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:34,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:34,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:34,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:34,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d440f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34, skipping insertion in model container [2023-11-21 18:52:34,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:34,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:34,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:34,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:34,517 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:34,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34 WrapperNode [2023-11-21 18:52:34,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:34,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:34,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:34,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:34,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,557 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2023-11-21 18:52:34,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:34,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:34,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:34,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:34,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:34,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:34,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:34,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:34,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:34" (1/1) ... [2023-11-21 18:52:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:34,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:34,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:34,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b38c22-4481-44ad-85ef-f379f2fb4824/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:34,738 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:34,741 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:35,005 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:35,027 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:35,027 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:52:35,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:35 BoogieIcfgContainer [2023-11-21 18:52:35,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:35,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:35,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:35,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:35,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:35" (1/1) ... [2023-11-21 18:52:35,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2023-11-21 18:52:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2023-11-21 18:52:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:52:35,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:35,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2023-11-21 18:52:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2023-11-21 18:52:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:52:35,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:35,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2023-11-21 18:52:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2023-11-21 18:52:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:52:35,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:35,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2023-11-21 18:52:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2023-11-21 18:52:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:52:35,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:35,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2023-11-21 18:52:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-11-21 18:52:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:52:36,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:36,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:36,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:36,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2023-11-21 18:52:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2023-11-21 18:52:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:52:36,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:36,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:36,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:36,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2023-11-21 18:52:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2023-11-21 18:52:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:52:36,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:36,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:36,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:36,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2023-11-21 18:52:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2023-11-21 18:52:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:37,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:37,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:37,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2023-11-21 18:52:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2023-11-21 18:52:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:52:37,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:37,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:37,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:37,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 108 transitions. [2023-11-21 18:52:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2023-11-21 18:52:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:52:38,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:38,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:38,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:38,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2023-11-21 18:52:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-21 18:52:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:52:39,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:39,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:39,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 97 states and 130 transitions. [2023-11-21 18:52:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2023-11-21 18:52:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:52:40,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:40,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:40,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:40,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 131 transitions. [2023-11-21 18:52:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 131 transitions. [2023-11-21 18:52:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:40,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:40,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:52:40,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 97 states and 130 transitions. [2023-11-21 18:52:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2023-11-21 18:52:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:40,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:40,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:40,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:52:40,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 96 states and 129 transitions. [2023-11-21 18:52:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2023-11-21 18:52:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:40,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:40,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:52:40,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2023-11-21 18:52:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2023-11-21 18:52:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:42,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:42,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:42,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:52:42,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 128 states and 180 transitions. [2023-11-21 18:52:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2023-11-21 18:52:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:45,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:45,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:45,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 141 states and 201 transitions. [2023-11-21 18:52:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 201 transitions. [2023-11-21 18:52:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:47,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:47,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:48,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:48,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 154 states and 221 transitions. [2023-11-21 18:52:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 221 transitions. [2023-11-21 18:52:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:50,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:50,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:50,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:50,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 158 states and 227 transitions. [2023-11-21 18:52:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 227 transitions. [2023-11-21 18:52:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:51,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:51,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:51,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 162 states and 233 transitions. [2023-11-21 18:52:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 233 transitions. [2023-11-21 18:52:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:52,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:52,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:52,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 254 transitions. [2023-11-21 18:52:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 254 transitions. [2023-11-21 18:52:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:55,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 188 states and 274 transitions. [2023-11-21 18:52:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 274 transitions. [2023-11-21 18:52:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:58,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:58,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 194 states and 288 transitions. [2023-11-21 18:53:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2023-11-21 18:53:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:00,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:00,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:00,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 200 states and 298 transitions. [2023-11-21 18:53:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2023-11-21 18:53:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:53:01,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:01,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 202 states and 303 transitions. [2023-11-21 18:53:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-21 18:53:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:53:03,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:03,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 213 states and 319 transitions. [2023-11-21 18:53:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 319 transitions. [2023-11-21 18:53:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:53:07,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 216 states and 325 transitions. [2023-11-21 18:53:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 325 transitions. [2023-11-21 18:53:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:09,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:09,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 225 states and 344 transitions. [2023-11-21 18:53:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 344 transitions. [2023-11-21 18:53:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:15,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 227 states and 347 transitions. [2023-11-21 18:53:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 347 transitions. [2023-11-21 18:53:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:15,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 244 states and 367 transitions. [2023-11-21 18:53:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 367 transitions. [2023-11-21 18:53:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:19,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 254 states and 386 transitions. [2023-11-21 18:53:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 386 transitions. [2023-11-21 18:53:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:24,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:24,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:24,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:24,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 256 states and 392 transitions. [2023-11-21 18:53:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 392 transitions. [2023-11-21 18:53:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:26,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 258 states and 395 transitions. [2023-11-21 18:53:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 395 transitions. [2023-11-21 18:53:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:27,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.