./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/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_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/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 64bit --witnessprinter.graph.data.programhash 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:54,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:54,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:49:54,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:54,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:54,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:54,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:54,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:54,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:54,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:54,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:54,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:54,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:54,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:54,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:54,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:54,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:54,462 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:54,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:54,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:54,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:54,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:54,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:54,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:54,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:54,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:54,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:54,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:54,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:54,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:54,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:54,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:54,471 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_c895c675-09de-48a7-be7c-08be7b2e4f13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe [2023-11-21 18:49:54,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:54,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:54,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:54,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:54,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:54,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2023-11-21 18:49:57,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:58,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:58,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2023-11-21 18:49:58,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/data/d97443467/7dfaab56d96647a5a370f246fd5a3ae8/FLAG1cb304c3e [2023-11-21 18:49:58,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/data/d97443467/7dfaab56d96647a5a370f246fd5a3ae8 [2023-11-21 18:49:58,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:58,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:58,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:58,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:58,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:58,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe0a401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58, skipping insertion in model container [2023-11-21 18:49:58,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:58,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:58,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:58,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:58,365 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:58,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58 WrapperNode [2023-11-21 18:49:58,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:58,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:58,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:58,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:58,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,392 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-11-21 18:49:58,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:58,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:58,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:58,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:58,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:58,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:58,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:58,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:58,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:58,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:58,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:58,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c895c675-09de-48a7-be7c-08be7b2e4f13/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-21 18:49:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-21 18:49:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:58,559 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:58,562 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:58,759 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:58,785 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:58,789 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:49:58,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:58 BoogieIcfgContainer [2023-11-21 18:49:58,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:58,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:58,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:58,804 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:58,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:58" (1/1) ... [2023-11-21 18:49:58,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:49:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:49:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:58,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,193 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 18:49:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 34 transitions. [2023-11-21 18:49:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2023-11-21 18:49:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:59,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,391 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 18:49:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 41 transitions. [2023-11-21 18:49:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-21 18:49:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:59,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,885 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 18:50:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 49 transitions. [2023-11-21 18:50:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-21 18:50:00,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:00,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,641 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 18:50:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 59 transitions. [2023-11-21 18:50:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-11-21 18:50:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:01,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,672 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 18:50:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 70 transitions. [2023-11-21 18:50:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-11-21 18:50:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:01,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,000 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 18:50:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 73 transitions. [2023-11-21 18:50:02,365 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-21 18:50:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:02,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,407 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 18:50:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 79 transitions. [2023-11-21 18:50:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-21 18:50:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:02,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,820 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 18:50:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 81 transitions. [2023-11-21 18:50:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2023-11-21 18:50:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:02,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,956 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 18:50:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 82 transitions. [2023-11-21 18:50:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2023-11-21 18:50:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:02,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,017 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 18:50:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 85 transitions. [2023-11-21 18:50:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-21 18:50:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:03,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 90 transitions. [2023-11-21 18:50:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2023-11-21 18:50:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:50:03,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,783 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 18:50:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 92 transitions. [2023-11-21 18:50:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-21 18:50:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:03,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 94 transitions. [2023-11-21 18:50:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-21 18:50:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:04,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 108 transitions. [2023-11-21 18:50:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2023-11-21 18:50:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:06,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 119 transitions. [2023-11-21 18:50:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2023-11-21 18:50:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:07,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 121 transitions. [2023-11-21 18:50:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2023-11-21 18:50:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:07,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 130 transitions. [2023-11-21 18:50:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-21 18:50:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:08,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 100 states and 152 transitions. [2023-11-21 18:50:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2023-11-21 18:50:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:10,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 155 transitions. [2023-11-21 18:50:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 155 transitions. [2023-11-21 18:50:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:11,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 106 states and 158 transitions. [2023-11-21 18:50:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-21 18:50:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:11,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 160 transitions. [2023-11-21 18:50:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2023-11-21 18:50:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:12,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 160 transitions. [2023-11-21 18:50:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-11-21 18:50:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:12,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 116 states and 170 transitions. [2023-11-21 18:50:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 170 transitions. [2023-11-21 18:50:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:14,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 172 transitions. [2023-11-21 18:50:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-11-21 18:50:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:14,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 125 states and 178 transitions. [2023-11-21 18:50:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2023-11-21 18:50:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:16,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 128 states and 180 transitions. [2023-11-21 18:50:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2023-11-21 18:50:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:16,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 130 states and 182 transitions. [2023-11-21 18:50:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 182 transitions. [2023-11-21 18:50:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:17,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 132 states and 184 transitions. [2023-11-21 18:50:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2023-11-21 18:50:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:17,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 133 states and 184 transitions. [2023-11-21 18:50:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 184 transitions. [2023-11-21 18:50:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:17,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 145 states and 211 transitions. [2023-11-21 18:50:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2023-11-21 18:50:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:20,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 214 transitions. [2023-11-21 18:50:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 214 transitions. [2023-11-21 18:50:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:21,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 216 transitions. [2023-11-21 18:50:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 216 transitions. [2023-11-21 18:50:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:22,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 157 states and 225 transitions. [2023-11-21 18:50:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2023-11-21 18:50:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:50:23,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 169 states and 239 transitions. [2023-11-21 18:50:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-11-21 18:50:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:26,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 243 transitions. [2023-11-21 18:50:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2023-11-21 18:50:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:28,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 178 states and 249 transitions. [2023-11-21 18:50:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-21 18:50:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:30,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 181 states and 251 transitions. [2023-11-21 18:50:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2023-11-21 18:50:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:31,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:31,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 187 states and 257 transitions. [2023-11-21 18:50:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 257 transitions. [2023-11-21 18:50:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:32,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 189 states and 259 transitions. [2023-11-21 18:50:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 259 transitions. [2023-11-21 18:50:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:50:33,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 190 states and 259 transitions. [2023-11-21 18:50:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 259 transitions. [2023-11-21 18:50:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:33,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 202 states and 287 transitions. [2023-11-21 18:50:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 287 transitions. [2023-11-21 18:50:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:38,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 205 states and 290 transitions. [2023-11-21 18:50:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 290 transitions. [2023-11-21 18:50:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:39,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 208 states and 293 transitions. [2023-11-21 18:50:40,210 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 293 transitions. [2023-11-21 18:50:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:40,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 214 states and 302 transitions. [2023-11-21 18:50:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2023-11-21 18:50:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:41,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 69 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 226 states and 316 transitions. [2023-11-21 18:50:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 316 transitions. [2023-11-21 18:50:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:45,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 27 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 229 states and 320 transitions. [2023-11-21 18:50:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2023-11-21 18:50:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:47,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:47,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 74 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.