./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26517bdd67184dea6352cf50b6d9992d41ecfd853675bfc685354b90b7b5bf40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:49,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:49,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:49,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:49,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:49,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:49,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:49,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:49,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:49,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:49,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:49,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:49,433 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:49,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:49,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:49,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:49,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:49,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:49,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:49,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:49,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:49,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:49,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:49,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:49,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:49,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:49,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:49,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:49,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:49,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:49,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:49,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:49,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:49,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:49,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:49,445 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_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26517bdd67184dea6352cf50b6d9992d41ecfd853675bfc685354b90b7b5bf40 [2023-11-21 18:36:49,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:49,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:49,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:49,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:49,722 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:49,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c [2023-11-21 18:36:52,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:53,131 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:53,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound10.c [2023-11-21 18:36:53,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/data/8419f9bd0/ae016b1547254dd799c10483300d1b7f/FLAGd8790ee7d [2023-11-21 18:36:53,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/data/8419f9bd0/ae016b1547254dd799c10483300d1b7f [2023-11-21 18:36:53,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:53,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:53,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:53,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:53,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:53,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4048a13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53, skipping insertion in model container [2023-11-21 18:36:53,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:53,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:53,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:53,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:53,436 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53 WrapperNode [2023-11-21 18:36:53,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:53,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:53,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:53,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:53,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,486 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-21 18:36:53,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:53,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:53,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:53,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:53,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:53,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:53,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:53,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:53,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:53" (1/1) ... [2023-11-21 18:36:53,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:53,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:53,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cddec91-a57f-4e55-ab4d-4fb72873d648/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:36:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:36:53,674 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:53,676 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:53,934 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:54,043 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:54,043 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:36:54,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:54 BoogieIcfgContainer [2023-11-21 18:36:54,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:54,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:54,046 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:54,058 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:54,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:54" (1/1) ... [2023-11-21 18:36:54,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-21 18:36:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-21 18:36:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:36:54,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-21 18:36:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-21 18:36:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:36:54,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-21 18:36:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-21 18:36:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:36:54,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-21 18:36:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-21 18:36:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:36:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-21 18:36:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-21 18:36:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:36:55,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-21 18:36:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-21 18:36:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:55,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-21 18:36:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-21 18:36:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:36:55,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-21 18:36:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-21 18:36:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:56,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-21 18:36:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-21 18:36:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:56,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-21 18:36:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-21 18:36:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-11-21 18:36:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-11-21 18:36:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:56,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:56,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-21 18:36:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-21 18:36:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:36:57,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-21 18:36:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-21 18:36:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:57,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-21 18:36:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-21 18:36:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:57,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-21 18:36:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-21 18:36:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:58,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:36:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:36:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:58,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-11-21 18:36:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-21 18:36:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:58,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-11-21 18:36:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-21 18:36:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:59,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-11-21 18:36:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-21 18:36:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:59,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-21 18:36:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-21 18:36:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:59,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:37:00,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-11-21 18:37:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-21 18:37:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:01,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:01,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2023-11-21 18:37:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2023-11-21 18:37:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:01,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-21 18:37:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-21 18:37:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:01,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2023-11-21 18:37:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2023-11-21 18:37:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:02,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2023-11-21 18:37:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2023-11-21 18:37:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:03,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 166 transitions. [2023-11-21 18:37:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 166 transitions. [2023-11-21 18:37:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:03,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:03,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:03,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:37:03,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 195 transitions. [2023-11-21 18:37:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2023-11-21 18:37:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:05,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 115 states and 202 transitions. [2023-11-21 18:37:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 202 transitions. [2023-11-21 18:37:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:05,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2023-11-21 18:37:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2023-11-21 18:37:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:06,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:06,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-21 18:37:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-21 18:37:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:07,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 202 transitions. [2023-11-21 18:37:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2023-11-21 18:37:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:37:07,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:07,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 210 transitions. [2023-11-21 18:37:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 210 transitions. [2023-11-21 18:37:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:37:07,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:07,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 120 states and 203 transitions. [2023-11-21 18:37:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 203 transitions. [2023-11-21 18:37:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:37:08,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 206 transitions. [2023-11-21 18:37:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 206 transitions. [2023-11-21 18:37:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:37:09,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 209 transitions. [2023-11-21 18:37:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2023-11-21 18:37:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:10,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 125 states and 218 transitions. [2023-11-21 18:37:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 218 transitions. [2023-11-21 18:37:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:10,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2023-11-21 18:37:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2023-11-21 18:37:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:11,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 213 transitions. [2023-11-21 18:37:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2023-11-21 18:37:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:12,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2023-11-21 18:37:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2023-11-21 18:37:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:37:13,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 130 states and 226 transitions. [2023-11-21 18:37:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 226 transitions. [2023-11-21 18:37:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:37:13,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:14,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:37:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 140 states and 248 transitions. [2023-11-21 18:37:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 248 transitions. [2023-11-21 18:37:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:37:14,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 140 states and 239 transitions. [2023-11-21 18:37:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 239 transitions. [2023-11-21 18:37:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:37:16,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 141 states and 242 transitions. [2023-11-21 18:37:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 242 transitions. [2023-11-21 18:37:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:37:17,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-11-21 18:37:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-11-21 18:37:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:37:18,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:18,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:18,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:37:18,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:37:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 250 transitions. [2023-11-21 18:37:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2023-11-21 18:37:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:37:19,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 148 states and 250 transitions. [2023-11-21 18:37:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 250 transitions. [2023-11-21 18:37:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:37:19,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:19,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:37:19,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:37:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 161 states and 279 transitions. [2023-11-21 18:37:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2023-11-21 18:37:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:37:21,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:21,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 155 states and 259 transitions. [2023-11-21 18:37:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 259 transitions. [2023-11-21 18:37:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:37:23,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:23,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 155 states and 257 transitions. [2023-11-21 18:37:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 257 transitions. [2023-11-21 18:37:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:37:24,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 154 states and 256 transitions. [2023-11-21 18:37:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 256 transitions. [2023-11-21 18:37:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:37:24,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-21 18:37:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 142 states and 227 transitions. [2023-11-21 18:37:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 227 transitions. [2023-11-21 18:37:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:37:25,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 225 transitions. [2023-11-21 18:37:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2023-11-21 18:37:26,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:37:26,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:26,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:37:26,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 6 proven. 267 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:37:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 155 states and 251 transitions. [2023-11-21 18:37:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 251 transitions. [2023-11-21 18:37:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-21 18:37:27,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:27,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:28,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:37:28,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 6 proven. 519 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-21 18:37:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 277 transitions. [2023-11-21 18:37:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2023-11-21 18:37:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-21 18:37:29,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:29,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:37:29,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 860 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:37:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 178 states and 299 transitions. [2023-11-21 18:37:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2023-11-21 18:37:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-21 18:37:31,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:31,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:37:31,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 612 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-21 18:37:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 280 transitions. [2023-11-21 18:37:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 280 transitions. [2023-11-21 18:37:33,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:37:33,292 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2023-11-21 18:37:33,304 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:37:33,725 INFO L560 CodeCheckObserver]: Invariant with dag size 44 [2023-11-21 18:37:33,735 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:37:33,736 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:37:33,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:37:33 ImpRootNode [2023-11-21 18:37:33,737 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:37:33,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:37:33,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:37:33,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:37:33,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:54" (3/4) ... [2023-11-21 18:37:33,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:37:33,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:37:33,752 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 18:37:33,753 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:37:33,753 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:37:33,753 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges