./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:55,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:56,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:04:56,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:56,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:56,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:56,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:56,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:56,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:56,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:56,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:56,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:56,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:04:56,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:56,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:04:56,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:56,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:56,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:56,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:56,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:56,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:56,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:04:56,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:56,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:56,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:56,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:56,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:56,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:56,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:56,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:56,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:56,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:56,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:56,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:56,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:56,188 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_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2616f51a0d79e0bd682803708141b0dc94462ecdbaee78ea9cc6b43878e4310d [2023-11-23 20:04:56,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:56,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:56,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:56,533 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:56,534 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:56,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2023-11-23 20:04:59,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:59,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:59,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound50.c [2023-11-23 20:04:59,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/data/9fa4461c4/d4805476a8844bda807eef25e57c6a29/FLAG7a3b0a211 [2023-11-23 20:04:59,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/data/9fa4461c4/d4805476a8844bda807eef25e57c6a29 [2023-11-23 20:04:59,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:59,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:59,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:59,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:59,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:59,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:59" (1/1) ... [2023-11-23 20:04:59,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454426d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:59, skipping insertion in model container [2023-11-23 20:04:59,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:59" (1/1) ... [2023-11-23 20:04:59,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:00,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:00,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:00,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:00,254 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:00,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00 WrapperNode [2023-11-23 20:05:00,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:00,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:00,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:00,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:00,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,322 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-23 20:05:00,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:00,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:00,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:00,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:00,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:00,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:00,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:00,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:00,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:00,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:00,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd08c504-20d3-46ad-9955-4e8d699ee200/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:00,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:00,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:00,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:00,821 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:00,898 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:00,898 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:05:00,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:00 BoogieIcfgContainer [2023-11-23 20:05:00,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:00,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:00,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:00,913 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:00,913 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:00" (1/1) ... [2023-11-23 20:05:00,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-23 20:05:00,990 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-23 20:05:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:05:00,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:00,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-23 20:05:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-23 20:05:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:01,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:01,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-23 20:05:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-23 20:05:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:01,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-23 20:05:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-23 20:05:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:01,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-23 20:05:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-23 20:05:01,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:01,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:01,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-23 20:05:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-23 20:05:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:02,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-23 20:05:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-23 20:05:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:02,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-23 20:05:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-23 20:05:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:05:02,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:02,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-23 20:05:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-23 20:05:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:03,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:03,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-23 20:05:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-23 20:05:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:03,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-11-23 20:05:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-11-23 20:05:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:03,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-23 20:05:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-23 20:05:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:04,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:04,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-23 20:05:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-23 20:05:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:05:04,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:04,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-23 20:05:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-23 20:05:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:04,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-23 20:05:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-23 20:05:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:05,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:05,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:05,339 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-23 20:05:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-23 20:05:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:05,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-11-23 20:05:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-23 20:05:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:05,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:05,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-11-23 20:05:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-23 20:05:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:05:06,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-11-23 20:05:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-23 20:05:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:05:06,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-23 20:05:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-23 20:05:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:07,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:07,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:07,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:07,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-11-23 20:05:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-23 20:05:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:08,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:08,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:08,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 161 transitions. [2023-11-23 20:05:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2023-11-23 20:05:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:09,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:09,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 97 states and 167 transitions. [2023-11-23 20:05:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 167 transitions. [2023-11-23 20:05:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:09,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 162 transitions. [2023-11-23 20:05:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2023-11-23 20:05:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:10,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-23 20:05:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-23 20:05:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:11,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-23 20:05:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-23 20:05:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:11,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 175 transitions. [2023-11-23 20:05:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 175 transitions. [2023-11-23 20:05:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:05:11,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2023-11-23 20:05:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2023-11-23 20:05:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:12,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2023-11-23 20:05:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2023-11-23 20:05:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:13,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2023-11-23 20:05:13,697 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2023-11-23 20:05:13,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:13,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 183 transitions. [2023-11-23 20:05:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2023-11-23 20:05:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:13,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2023-11-23 20:05:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2023-11-23 20:05:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:05:14,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2023-11-23 20:05:15,861 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2023-11-23 20:05:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:05:15,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2023-11-23 20:05:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2023-11-23 20:05:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:05:16,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-11-23 20:05:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-23 20:05:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:05:16,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 20:05:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 213 transitions. [2023-11-23 20:05:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2023-11-23 20:05:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:17,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2023-11-23 20:05:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2023-11-23 20:05:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:18,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2023-11-23 20:05:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2023-11-23 20:05:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:19,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2023-11-23 20:05:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2023-11-23 20:05:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:05:19,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,848 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 41 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 240 transitions. [2023-11-23 20:05:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 240 transitions. [2023-11-23 20:05:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:22,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 250 transitions. [2023-11-23 20:05:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2023-11-23 20:05:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:05:22,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 140 states and 241 transitions. [2023-11-23 20:05:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 241 transitions. [2023-11-23 20:05:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:23,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 141 states and 244 transitions. [2023-11-23 20:05:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2023-11-23 20:05:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:25,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 247 transitions. [2023-11-23 20:05:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2023-11-23 20:05:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:05:25,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 258 transitions. [2023-11-23 20:05:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2023-11-23 20:05:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:05:26,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 145 states and 248 transitions. [2023-11-23 20:05:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2023-11-23 20:05:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:05:27,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 251 transitions. [2023-11-23 20:05:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 251 transitions. [2023-11-23 20:05:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:05:28,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 149 states and 254 transitions. [2023-11-23 20:05:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 254 transitions. [2023-11-23 20:05:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:05:29,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 150 states and 266 transitions. [2023-11-23 20:05:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2023-11-23 20:05:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:05:29,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 150 states and 255 transitions. [2023-11-23 20:05:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 255 transitions. [2023-11-23 20:05:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:31,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,589 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 258 transitions. [2023-11-23 20:05:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2023-11-23 20:05:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:32,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:32,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 154 states and 261 transitions. [2023-11-23 20:05:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 261 transitions. [2023-11-23 20:05:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:05:32,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 274 transitions. [2023-11-23 20:05:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 274 transitions. [2023-11-23 20:05:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:05:33,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 20:05:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 279 transitions. [2023-11-23 20:05:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2023-11-23 20:05:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:05:34,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 158 states and 267 transitions. [2023-11-23 20:05:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 267 transitions. [2023-11-23 20:05:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:05:36,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 270 transitions. [2023-11-23 20:05:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 270 transitions. [2023-11-23 20:05:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:05:37,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 162 states and 273 transitions. [2023-11-23 20:05:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 273 transitions. [2023-11-23 20:05:38,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:05:38,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 20:05:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 172 states and 295 transitions. [2023-11-23 20:05:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 295 transitions. [2023-11-23 20:05:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:05:39,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 173 states and 309 transitions. [2023-11-23 20:05:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 309 transitions. [2023-11-23 20:05:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:05:39,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 20:05:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 176 states and 314 transitions. [2023-11-23 20:05:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 314 transitions. [2023-11-23 20:05:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:05:40,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat