./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/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_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:03,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:03,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:27:03,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:03,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:03,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:03,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:03,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:03,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:03,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:03,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:03,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:03,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:03,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:03,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:03,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:03,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:03,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:03,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:03,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:03,946 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:03,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:03,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:03,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:03,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:03,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:03,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:03,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:03,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:03,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:03,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:03,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:03,955 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_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe [2023-11-23 20:27:04,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:04,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:04,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:04,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:04,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:04,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2023-11-23 20:27:07,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:07,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:07,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2023-11-23 20:27:07,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/data/03c471e34/46c13c8090ca4b648e7c9ddcf20414be/FLAG3d82d8604 [2023-11-23 20:27:07,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/data/03c471e34/46c13c8090ca4b648e7c9ddcf20414be [2023-11-23 20:27:07,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:07,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:07,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:07,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:07,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:07,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:07,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d33257e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07, skipping insertion in model container [2023-11-23 20:27:07,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:07,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:07,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:07,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:07,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:07,956 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:07,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07 WrapperNode [2023-11-23 20:27:07,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:07,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:07,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:07,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:07,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:07,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:07,993 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-11-23 20:27:07,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:07,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:07,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:07,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:08,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:08,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:08,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:08,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:08,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:07" (1/1) ... [2023-11-23 20:27:08,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:08,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:08,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9856b777-1533-474a-99cc-c6d03fddc33c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-23 20:27:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-23 20:27:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:08,172 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:08,175 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:08,321 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:08,365 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:08,365 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:27:08,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:08 BoogieIcfgContainer [2023-11-23 20:27:08,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:08,370 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:08,370 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:08,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:08,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:08" (1/1) ... [2023-11-23 20:27:08,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-23 20:27:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-23 20:27:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:08,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 34 transitions. [2023-11-23 20:27:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2023-11-23 20:27:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:08,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 41 transitions. [2023-11-23 20:27:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-23 20:27:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:09,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:10,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 49 transitions. [2023-11-23 20:27:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-23 20:27:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:10,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 59 transitions. [2023-11-23 20:27:11,098 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-11-23 20:27:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:11,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 70 transitions. [2023-11-23 20:27:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-11-23 20:27:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:11,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 73 transitions. [2023-11-23 20:27:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-23 20:27:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:12,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 79 transitions. [2023-11-23 20:27:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-23 20:27:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:12,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 81 transitions. [2023-11-23 20:27:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2023-11-23 20:27:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:12,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 85 transitions. [2023-11-23 20:27:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2023-11-23 20:27:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:13,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 86 transitions. [2023-11-23 20:27:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-23 20:27:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:13,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 62 states and 89 transitions. [2023-11-23 20:27:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-11-23 20:27:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:14,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 94 transitions. [2023-11-23 20:27:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-23 20:27:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:14,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 66 states and 96 transitions. [2023-11-23 20:27:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2023-11-23 20:27:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:14,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 98 transitions. [2023-11-23 20:27:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-23 20:27:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:15,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:15,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 78 states and 112 transitions. [2023-11-23 20:27:16,713 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-11-23 20:27:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:16,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 123 transitions. [2023-11-23 20:27:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2023-11-23 20:27:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:17,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 125 transitions. [2023-11-23 20:27:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-11-23 20:27:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:18,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:18,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 93 states and 134 transitions. [2023-11-23 20:27:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-23 20:27:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:19,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 156 transitions. [2023-11-23 20:27:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2023-11-23 20:27:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:21,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 159 transitions. [2023-11-23 20:27:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2023-11-23 20:27:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:22,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:22,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 109 states and 162 transitions. [2023-11-23 20:27:22,969 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2023-11-23 20:27:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:22,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 164 transitions. [2023-11-23 20:27:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-11-23 20:27:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:23,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 112 states and 164 transitions. [2023-11-23 20:27:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2023-11-23 20:27:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:23,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 119 states and 174 transitions. [2023-11-23 20:27:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2023-11-23 20:27:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:25,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 122 states and 176 transitions. [2023-11-23 20:27:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2023-11-23 20:27:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:25,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 128 states and 182 transitions. [2023-11-23 20:27:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 182 transitions. [2023-11-23 20:27:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:27,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 184 transitions. [2023-11-23 20:27:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2023-11-23 20:27:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:28,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 133 states and 186 transitions. [2023-11-23 20:27:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 186 transitions. [2023-11-23 20:27:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:28,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 135 states and 188 transitions. [2023-11-23 20:27:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2023-11-23 20:27:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:27:28,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 136 states and 188 transitions. [2023-11-23 20:27:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 188 transitions. [2023-11-23 20:27:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:28,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:28,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 215 transitions. [2023-11-23 20:27:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2023-11-23 20:27:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:32,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 218 transitions. [2023-11-23 20:27:33,165 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2023-11-23 20:27:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:33,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 154 states and 220 transitions. [2023-11-23 20:27:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 220 transitions. [2023-11-23 20:27:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:27:34,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 160 states and 229 transitions. [2023-11-23 20:27:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 229 transitions. [2023-11-23 20:27:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:27:35,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,668 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 243 transitions. [2023-11-23 20:27:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2023-11-23 20:27:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:38,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 175 states and 247 transitions. [2023-11-23 20:27:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 247 transitions. [2023-11-23 20:27:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:40,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 181 states and 253 transitions. [2023-11-23 20:27:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2023-11-23 20:27:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:41,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 184 states and 255 transitions. [2023-11-23 20:27:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 255 transitions. [2023-11-23 20:27:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:43,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 190 states and 261 transitions. [2023-11-23 20:27:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 261 transitions. [2023-11-23 20:27:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:44,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 192 states and 263 transitions. [2023-11-23 20:27:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 263 transitions. [2023-11-23 20:27:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:27:44,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 193 states and 263 transitions. [2023-11-23 20:27:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 263 transitions. [2023-11-23 20:27:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:45,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 205 states and 292 transitions. [2023-11-23 20:27:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 292 transitions. [2023-11-23 20:27:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:49,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 208 states and 295 transitions. [2023-11-23 20:27:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 295 transitions. [2023-11-23 20:27:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:50,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 24 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 211 states and 297 transitions. [2023-11-23 20:27:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 297 transitions. [2023-11-23 20:27:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:51,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 217 states and 306 transitions. [2023-11-23 20:27:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 306 transitions. [2023-11-23 20:27:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:27:52,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 69 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.