./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:06,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:06,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:41:06,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:06,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:06,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:06,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:06,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:06,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:06,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:06,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:06,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:06,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:06,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:06,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:06,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:06,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:06,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:06,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:06,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:06,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:06,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:06,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:06,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:06,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:06,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:06,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:06,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:06,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:06,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:06,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:06,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:06,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:06,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:06,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:06,355 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_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2023-11-19 03:41:06,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:06,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:06,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:06,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:06,675 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:06,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-19 03:41:09,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:10,057 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:10,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-19 03:41:10,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/data/2eddeca8b/757b4cefb7294f7c93adee55474d2cb1/FLAG6d38302a5 [2023-11-19 03:41:10,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/data/2eddeca8b/757b4cefb7294f7c93adee55474d2cb1 [2023-11-19 03:41:10,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:10,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:10,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:10,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:10,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:10,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9032b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10, skipping insertion in model container [2023-11-19 03:41:10,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:10,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:10,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:10,434 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:10,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10 WrapperNode [2023-11-19 03:41:10,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:10,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:10,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:10,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,505 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:41:10,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:10,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:10,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:10,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:10,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:10,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:10,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:10,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:10" (1/1) ... [2023-11-19 03:41:10,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:10,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:10,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:10,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466c4b66-e78e-4dbc-a51f-602a35dbf9a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:41:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:41:10,697 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:10,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:11,056 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:11,115 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:11,115 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:41:11,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:11 BoogieIcfgContainer [2023-11-19 03:41:11,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:11,122 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:11,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:11,133 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:11,133 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:11" (1/1) ... [2023-11-19 03:41:11,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:41:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:41:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:41:11,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:41:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:41:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:41:11,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:41:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:41:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:41:11,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:41:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:41:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:41:11,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:11,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:41:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:41:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:41:12,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:12,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:12,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:41:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:41:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:41:12,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:12,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:12,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:12,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:13,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:41:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:41:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:41:13,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:13,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:13,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-19 03:41:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-19 03:41:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:41:14,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:14,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:14,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 118 states and 179 transitions. [2023-11-19 03:41:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2023-11-19 03:41:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:41:15,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:15,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:15,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 129 states and 225 transitions. [2023-11-19 03:41:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 225 transitions. [2023-11-19 03:41:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:41:16,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:16,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:16,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:41:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:41:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:41:17,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:17,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:17,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:17,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 251 transitions. [2023-11-19 03:41:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 251 transitions. [2023-11-19 03:41:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:41:18,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:18,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:18,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:18,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 251 transitions. [2023-11-19 03:41:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 251 transitions. [2023-11-19 03:41:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:41:18,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:18,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:18,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:20,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 152 states and 276 transitions. [2023-11-19 03:41:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2023-11-19 03:41:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:20,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:20,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:20,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:20,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 153 states and 277 transitions. [2023-11-19 03:41:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 277 transitions. [2023-11-19 03:41:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:41:20,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:20,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:20,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:20,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 159 states and 290 transitions. [2023-11-19 03:41:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 290 transitions. [2023-11-19 03:41:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:41:22,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:22,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 316 transitions. [2023-11-19 03:41:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2023-11-19 03:41:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:41:25,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:25,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 179 states and 328 transitions. [2023-11-19 03:41:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 328 transitions. [2023-11-19 03:41:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:41:27,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:27,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:27,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 193 states and 353 transitions. [2023-11-19 03:41:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 353 transitions. [2023-11-19 03:41:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:41:31,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:31,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:41:31,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2023-11-19 03:41:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2023-11-19 03:41:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:41:33,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:33,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:33,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:33,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 211 states and 386 transitions. [2023-11-19 03:41:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 386 transitions. [2023-11-19 03:41:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:41:35,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:35,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:35,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:35,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 222 states and 409 transitions. [2023-11-19 03:41:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 409 transitions. [2023-11-19 03:41:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:41:39,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:39,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:39,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:39,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 236 states and 446 transitions. [2023-11-19 03:41:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 446 transitions. [2023-11-19 03:41:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:41:42,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:42,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:42,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:42,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 238 states and 448 transitions. [2023-11-19 03:41:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 448 transitions. [2023-11-19 03:41:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:41:43,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:43,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:43,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 242 states and 452 transitions. [2023-11-19 03:41:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 452 transitions. [2023-11-19 03:41:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:41:44,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:44,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:44,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:44,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 250 states and 479 transitions. [2023-11-19 03:41:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 479 transitions. [2023-11-19 03:41:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:41:47,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:47,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:47,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:47,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 252 states and 480 transitions. [2023-11-19 03:41:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 480 transitions. [2023-11-19 03:41:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:41:48,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:48,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:48,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 256 states and 483 transitions. [2023-11-19 03:41:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 483 transitions. [2023-11-19 03:41:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:41:49,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:49,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:49,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:49,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 262 states and 502 transitions. [2023-11-19 03:41:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 502 transitions. [2023-11-19 03:41:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:41:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:50,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:50,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:50,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 275 states and 531 transitions. [2023-11-19 03:41:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 531 transitions. [2023-11-19 03:41:54,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:41:54,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 276 states and 532 transitions. [2023-11-19 03:41:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 532 transitions. [2023-11-19 03:41:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:41:54,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:54,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:54,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 285 states and 553 transitions. [2023-11-19 03:41:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 553 transitions. [2023-11-19 03:41:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:41:55,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:55,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:55,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:41:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 296 states and 583 transitions. [2023-11-19 03:41:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 583 transitions. [2023-11-19 03:41:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:41:59,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:59,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:41:59,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:42:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 298 states and 584 transitions. [2023-11-19 03:42:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 584 transitions. [2023-11-19 03:42:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:42:00,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:00,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:00,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:00,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:42:01,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 302 states and 587 transitions. [2023-11-19 03:42:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 587 transitions. [2023-11-19 03:42:01,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:42:01,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:01,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:42:01,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:42:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 311 states and 608 transitions. [2023-11-19 03:42:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 608 transitions. [2023-11-19 03:42:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:02,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:02,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:42:02,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.