./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.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_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/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_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/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_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/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 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:04,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:04,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:08:04,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:04,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:04,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:04,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:04,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:04,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:04,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:04,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:04,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:04,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:04,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:04,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:04,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:04,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:04,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:04,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:04,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:08:04,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:08:04,480 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:04,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:04,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:04,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:04,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:04,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:04,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:04,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:04,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:04,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:04,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:04,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:04,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:04,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:04,486 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_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2023-11-19 03:08:04,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:04,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:04,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:04,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:04,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:04,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-19 03:08:07,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:08,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:08,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-19 03:08:08,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/data/c1230d5f8/6f69a827d6f4466d98c3076982542dc5/FLAG4c8d22bef [2023-11-19 03:08:08,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/data/c1230d5f8/6f69a827d6f4466d98c3076982542dc5 [2023-11-19 03:08:08,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:08,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:08,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:08,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:08,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:08,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734744e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08, skipping insertion in model container [2023-11-19 03:08:08,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:08,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:08,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:08,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:08,435 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:08,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08 WrapperNode [2023-11-19 03:08:08,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:08,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:08,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:08,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:08,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,476 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 03:08:08,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:08,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:08,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:08,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:08,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:08,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:08,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:08,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:08,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:08,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:08,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4793348f-b570-4cdd-b19d-6bd0bb2eb8b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:08:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:08:08,652 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:08,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:08,910 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:08,958 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:08,959 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:08,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:08 BoogieIcfgContainer [2023-11-19 03:08:08,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:08,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:08,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:08,977 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:08,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:08:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:08:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:08:09,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,285 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 03:08:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:08:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:08:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:08:09,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,490 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 03:08:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-19 03:08:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-19 03:08:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:08:09,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,649 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 03:08:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-19 03:08:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-19 03:08:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:08:09,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:09,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:09,869 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 03:08:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-19 03:08:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-19 03:08:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:08:10,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:10,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:10,134 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 03:08:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-19 03:08:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-19 03:08:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:08:10,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:10,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:10,259 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 03:08:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-19 03:08:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-19 03:08:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:08:10,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:10,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:10,797 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 03:08:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-19 03:08:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 03:08:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:08:11,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:11,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:11,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:11,432 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 03:08:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-19 03:08:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-19 03:08:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:08:12,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:12,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:08:12,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:12,445 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 03:08:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-19 03:08:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-19 03:08:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:08:13,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:13,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:08:13,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:13,450 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 03:08:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-19 03:08:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-19 03:08:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:08:13,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:08:14,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:14,094 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 03:08:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:08:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:08:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:08:14,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:14,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:14,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:15,009 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 03:08:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 146 states and 289 transitions. [2023-11-19 03:08:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 289 transitions. [2023-11-19 03:08:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:08:16,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:16,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:16,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:16,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:16,175 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 03:08:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 315 transitions. [2023-11-19 03:08:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 315 transitions. [2023-11-19 03:08:17,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:17,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:17,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:17,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:17,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:17,963 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 03:08:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 158 states and 316 transitions. [2023-11-19 03:08:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 316 transitions. [2023-11-19 03:08:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:17,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:18,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:18,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:18,102 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 03:08:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 164 states and 326 transitions. [2023-11-19 03:08:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 326 transitions. [2023-11-19 03:08:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:08:18,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:18,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:18,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:19,121 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 03:08:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 177 states and 353 transitions. [2023-11-19 03:08:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 353 transitions. [2023-11-19 03:08:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:08:21,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:21,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:21,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:21,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:21,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:08:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 184 states and 364 transitions. [2023-11-19 03:08:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 364 transitions. [2023-11-19 03:08:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:08:22,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:22,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:22,930 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 03:08:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 194 states and 387 transitions. [2023-11-19 03:08:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 387 transitions. [2023-11-19 03:08:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:08:24,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:24,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:24,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:24,817 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 03:08:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 195 states and 396 transitions. [2023-11-19 03:08:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 396 transitions. [2023-11-19 03:08:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:08:24,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:24,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:24,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:08:24,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:25,097 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 03:08:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 205 states and 423 transitions. [2023-11-19 03:08:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 423 transitions. [2023-11-19 03:08:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:27,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:27,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:08:27,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:27,189 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 03:08:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 216 states and 451 transitions. [2023-11-19 03:08:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 451 transitions. [2023-11-19 03:08:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:08:29,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:29,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:30,108 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 03:08:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 227 states and 483 transitions. [2023-11-19 03:08:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 483 transitions. [2023-11-19 03:08:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:32,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:32,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:32,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:32,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:32,809 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 03:08:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 235 states and 514 transitions. [2023-11-19 03:08:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 514 transitions. [2023-11-19 03:08:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:08:34,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:34,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:34,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:34,566 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 03:08:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 242 states and 538 transitions. [2023-11-19 03:08:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 538 transitions. [2023-11-19 03:08:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:08:35,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:35,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:35,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:35,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:36,580 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 03:08:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 255 states and 572 transitions. [2023-11-19 03:08:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 572 transitions. [2023-11-19 03:08:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:08:40,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:40,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:40,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:40,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:40,199 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 03:08:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 256 states and 573 transitions. [2023-11-19 03:08:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 573 transitions. [2023-11-19 03:08:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:08:40,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:40,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:40,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:40,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:40,394 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 03:08:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 264 states and 597 transitions. [2023-11-19 03:08:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 597 transitions. [2023-11-19 03:08:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:08:41,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:41,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:41,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:08:41,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:41,879 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 03:08:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 275 states and 626 transitions. [2023-11-19 03:08:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 626 transitions. [2023-11-19 03:08:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:08:44,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:44,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:08:44,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:44,451 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 03:08:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 292 states and 665 transitions. [2023-11-19 03:08:48,508 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 665 transitions. [2023-11-19 03:08:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:08:48,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:48,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:48,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:08:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 298 states and 672 transitions. [2023-11-19 03:08:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 672 transitions. [2023-11-19 03:08:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:08:50,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:50,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:08:50,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:08:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 312 states and 718 transitions. [2023-11-19 03:08:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 718 transitions. [2023-11-19 03:08:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:08:53,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:08:53,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:08:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 320 states and 800 transitions. [2023-11-19 03:08:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 800 transitions. [2023-11-19 03:08:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:08:56,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:56,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:56,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:08:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 325 states and 818 transitions. [2023-11-19 03:08:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 818 transitions. [2023-11-19 03:08:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:08:57,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:57,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:57,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:08:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 331 states and 842 transitions. [2023-11-19 03:08:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 842 transitions. [2023-11-19 03:08:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:08:58,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:58,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:59,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:08:59,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:08:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:09:01,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 345 states and 866 transitions. [2023-11-19 03:09:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 866 transitions. [2023-11-19 03:09:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:01,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:01,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:09:01,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:09:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 349 states and 885 transitions. [2023-11-19 03:09:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 885 transitions. [2023-11-19 03:09:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:02,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:02,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:09:02,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:09:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:09:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available