./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/nondet_ll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/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_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/nondet_ll_traverse-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c47766edbe35945888da0e666621820e243afbf3dd7b3834c6061366b6fb2a75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:13,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:13,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:30:13,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:13,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:13,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:13,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:13,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:13,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:13,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:13,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:13,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:13,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:13,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:13,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:13,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:13,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:13,698 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:13,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:13,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:13,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:13,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:13,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:13,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:13,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:13,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:13,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:13,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:13,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:13,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:13,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:13,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:13,705 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_019473ba-824e-492c-be7b-7f79a619f5a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c47766edbe35945888da0e666621820e243afbf3dd7b3834c6061366b6fb2a75 [2023-11-21 18:30:14,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:14,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:14,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:14,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:14,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:14,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-memory-linkedlists/nondet_ll_traverse-alloca.i [2023-11-21 18:30:17,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:17,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:17,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/sv-benchmarks/c/termination-memory-linkedlists/nondet_ll_traverse-alloca.i [2023-11-21 18:30:17,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/data/bf05f3e42/e0d5d4e5beb74fe78b2851bcfe093029/FLAG33141684e [2023-11-21 18:30:17,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/data/bf05f3e42/e0d5d4e5beb74fe78b2851bcfe093029 [2023-11-21 18:30:17,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:17,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:17,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:17,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:17,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:17,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:17" (1/1) ... [2023-11-21 18:30:17,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a30d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:17, skipping insertion in model container [2023-11-21 18:30:17,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:17" (1/1) ... [2023-11-21 18:30:17,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:17,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:17,977 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:18,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:18,063 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:18,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18 WrapperNode [2023-11-21 18:30:18,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:18,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:18,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:18,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:18,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,123 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-21 18:30:18,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:18,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:18,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:18,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:18,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:18,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:18,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:18,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:18,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:18,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:18,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019473ba-824e-492c-be7b-7f79a619f5a6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:30:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:30:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:30:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:18,416 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:18,419 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:18,705 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:18,789 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:18,790 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:30:18,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:18 BoogieIcfgContainer [2023-11-21 18:30:18,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:18,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:18,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:18,810 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:18,810 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:18" (1/1) ... [2023-11-21 18:30:18,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-21 18:30:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-21 18:30:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:18,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,212 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 18:30:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-21 18:30:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-21 18:30:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:30:19,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,446 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 18:30:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-21 18:30:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-21 18:30:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:30:19,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:19,910 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 18:30:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-21 18:30:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-21 18:30:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:20,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-21 18:30:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-21 18:30:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:30:20,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-21 18:30:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-21 18:30:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:20,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-21 18:30:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-21 18:30:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:21,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,698 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 18:30:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-21 18:30:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-21 18:30:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:21,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-21 18:30:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-21 18:30:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:22,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-21 18:30:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-21 18:30:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:30:23,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-21 18:30:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-21 18:30:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:30:23,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-21 18:30:24,600 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-21 18:30:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:30:24,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-21 18:30:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-21 18:30:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:30:25,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2023-11-21 18:30:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2023-11-21 18:30:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:30:26,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:26,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2023-11-21 18:30:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-21 18:30:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:30:27,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-21 18:30:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-21 18:30:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:30:28,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:28,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:29,146 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-11-21 18:30:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-11-21 18:30:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:30:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-11-21 18:30:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-11-21 18:30:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:30,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-11-21 18:30:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-21 18:30:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:30:32,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:32,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2023-11-21 18:30:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-21 18:30:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:30:33,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2023-11-21 18:30:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-21 18:30:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:30:35,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:35,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2023-11-21 18:30:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2023-11-21 18:30:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:36,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-21 18:30:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:30:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:30:38,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2023-11-21 18:30:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-11-21 18:30:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:30:40,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2023-11-21 18:30:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-21 18:30:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:30:42,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2023-11-21 18:30:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-21 18:30:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:30:43,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2023-11-21 18:30:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-11-21 18:30:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:30:45,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2023-11-21 18:30:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-11-21 18:30:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:30:47,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2023-11-21 18:30:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-21 18:30:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:30:49,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2023-11-21 18:30:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2023-11-21 18:30:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:30:52,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:52,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2023-11-21 18:30:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2023-11-21 18:30:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:30:54,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2023-11-21 18:30:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2023-11-21 18:30:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:30:56,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:56,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 1305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.