./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:28,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:29,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:29,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:29,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:29,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:29,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:29,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:29,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:29,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:29,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:29,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:29,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:29,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:29,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:29,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:29,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:29,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:29,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:29,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:29,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:29,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:29,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:29,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:29,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:29,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:29,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:29,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:29,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:29,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:29,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:29,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:29,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:29,116 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_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2023-11-24 22:56:29,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:29,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:29,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:29,505 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:29,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:29,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-24 22:56:32,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:33,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:33,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-24 22:56:33,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/data/a0921468b/7c4ec63bd97f4d59b06d10097fa91933/FLAG2eac30e11 [2023-11-24 22:56:33,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/data/a0921468b/7c4ec63bd97f4d59b06d10097fa91933 [2023-11-24 22:56:33,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:33,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:33,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:33,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:33,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:33,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c898f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33, skipping insertion in model container [2023-11-24 22:56:33,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:33,229 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c[333,346] [2023-11-24 22:56:33,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:33,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:33,274 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c[333,346] [2023-11-24 22:56:33,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:33,295 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:33,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33 WrapperNode [2023-11-24 22:56:33,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:33,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:33,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:33,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:33,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,332 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-24 22:56:33,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:33,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:33,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:33,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:33,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:33,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:33,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:33,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:33,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:33,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:33,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:33,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11f6a4f9-fb43-449a-9035-bbe52873782a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:33,511 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:33,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:33,673 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:33,722 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:33,722 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:56:33,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:33 BoogieIcfgContainer [2023-11-24 22:56:33,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:33,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:33,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:33,734 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:33,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:33" (1/1) ... [2023-11-24 22:56:33,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-24 22:56:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-24 22:56:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:33,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:33,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-24 22:56:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-24 22:56:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:34,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-24 22:56:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-24 22:56:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:34,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2023-11-24 22:56:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2023-11-24 22:56:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:34,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-24 22:56:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-24 22:56:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:34,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-24 22:56:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-24 22:56:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:34,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-24 22:56:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-24 22:56:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:35,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-24 22:56:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-24 22:56:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:35,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 22:56:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 22:56:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:35,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-11-24 22:56:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-11-24 22:56:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:35,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 22:56:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 22:56:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:35,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-24 22:56:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-24 22:56:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:36,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 22:56:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 22:56:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:36,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-24 22:56:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-24 22:56:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:36,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-24 22:56:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-24 22:56:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:37,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-24 22:56:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-24 22:56:37,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:37,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-11-24 22:56:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-24 22:56:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:37,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-11-24 22:56:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-24 22:56:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:38,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-24 22:56:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-24 22:56:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:38,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-24 22:56:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-24 22:56:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:56:38,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-11-24 22:56:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-24 22:56:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:56:39,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:56:39,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-11-24 22:56:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-24 22:56:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:56:39,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:56:39,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-24 22:56:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-24 22:56:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:39,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:56:39,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-24 22:56:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-24 22:56:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:40,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-24 22:56:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-24 22:56:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:40,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:56:40,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-24 22:56:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-24 22:56:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:41,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:56:41,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-24 22:56:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-24 22:56:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:56:41,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:41,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-24 22:56:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-24 22:56:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:56:41,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:56:42,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-11-24 22:56:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-24 22:56:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:42,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:56:42,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-11-24 22:56:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-24 22:56:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:56:42,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:56:43,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-24 22:56:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-24 22:56:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:43,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:43,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2023-11-24 22:56:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-24 22:56:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:56:43,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:56:43,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 54 transitions. [2023-11-24 22:56:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-11-24 22:56:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:56:44,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:56:44,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2023-11-24 22:56:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-24 22:56:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:56:44,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:56:44,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2023-11-24 22:56:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-24 22:56:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:56:45,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:45,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:45,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:56:45,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2023-11-24 22:56:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-24 22:56:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:56:45,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:56:46,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2023-11-24 22:56:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-24 22:56:46,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:56:46,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:56:46,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-24 22:56:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-24 22:56:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:56:47,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:56:47,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2023-11-24 22:56:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-24 22:56:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:56:47,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:56:47,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-24 22:56:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-24 22:56:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:56:48,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:48,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:56:48,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2023-11-24 22:56:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-24 22:56:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:56:48,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 22:56:48,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2023-11-24 22:56:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-24 22:56:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:56:49,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:56:49,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2023-11-24 22:56:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-24 22:56:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:56:49,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:56:50,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2023-11-24 22:56:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-24 22:56:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:56:50,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 22:56:50,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2023-11-24 22:56:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-24 22:56:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:56:51,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 57 states and 67 transitions. [2023-11-24 22:56:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2023-11-24 22:56:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:56:51,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2023-11-24 22:56:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-24 22:56:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:52,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2023-11-24 22:56:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2023-11-24 22:56:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:56:53,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:56:53,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2023-11-24 22:56:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2023-11-24 22:56:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:56:53,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 22:56:54,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 61 states and 71 transitions. [2023-11-24 22:56:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2023-11-24 22:56:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:56:54,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 22:56:54,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2023-11-24 22:56:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2023-11-24 22:56:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:56:55,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 22:56:55,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2023-11-24 22:56:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2023-11-24 22:56:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:56:55,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2023-11-24 22:56:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2023-11-24 22:56:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:56,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-24 22:56:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-24 22:56:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:57,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 22:56:57,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2023-11-24 22:56:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2023-11-24 22:56:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:58,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 22:56:58,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2023-11-24 22:56:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2023-11-24 22:56:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 22:56:58,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2023-11-24 22:56:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-24 22:56:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:56:59,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 22:56:59,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-24 22:57:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-24 22:57:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:57:00,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-24 22:57:00,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-24 22:57:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-24 22:57:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:57:01,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 22:57:01,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2023-11-24 22:57:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2023-11-24 22:57:01,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:57:01,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 22:57:02,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-24 22:57:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-24 22:57:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:57:02,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-24 22:57:02,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2023-11-24 22:57:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2023-11-24 22:57:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:57:03,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-24 22:57:03,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 74 states and 84 transitions. [2023-11-24 22:57:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2023-11-24 22:57:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:57:04,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:04,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:04,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-24 22:57:04,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2023-11-24 22:57:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-11-24 22:57:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:57:05,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:05,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:05,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-24 22:57:05,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2023-11-24 22:57:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-11-24 22:57:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:57:06,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:06,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-24 22:57:06,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2023-11-24 22:57:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-11-24 22:57:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:57:07,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-24 22:57:07,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-24 22:57:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-24 22:57:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:57:07,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 22:57:08,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-24 22:57:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-24 22:57:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:57:08,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:09,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-24 22:57:09,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2023-11-24 22:57:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-11-24 22:57:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:57:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:09,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-24 22:57:09,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2023-11-24 22:57:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-11-24 22:57:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:57:10,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:10,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-24 22:57:10,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-11-24 22:57:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-11-24 22:57:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:57:11,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:11,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:11,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-24 22:57:11,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2023-11-24 22:57:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2023-11-24 22:57:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 22:57:12,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:12,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:12,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-24 22:57:12,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 84 states and 94 transitions. [2023-11-24 22:57:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-24 22:57:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 22:57:13,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:13,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-24 22:57:13,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2023-11-24 22:57:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-11-24 22:57:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 22:57:14,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:14,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-24 22:57:14,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2023-11-24 22:57:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2023-11-24 22:57:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 22:57:15,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:15,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-24 22:57:15,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2023-11-24 22:57:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2023-11-24 22:57:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:57:16,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:16,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-24 22:57:16,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2023-11-24 22:57:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2023-11-24 22:57:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-24 22:57:17,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:17,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-24 22:57:17,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 89 states and 99 transitions. [2023-11-24 22:57:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2023-11-24 22:57:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 22:57:18,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:18,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-24 22:57:18,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 90 states and 100 transitions. [2023-11-24 22:57:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2023-11-24 22:57:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-24 22:57:19,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:19,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-24 22:57:19,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 91 states and 101 transitions. [2023-11-24 22:57:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2023-11-24 22:57:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-24 22:57:20,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:20,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-24 22:57:20,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2023-11-24 22:57:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2023-11-24 22:57:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-24 22:57:21,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:21,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:21,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-24 22:57:21,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 93 states and 103 transitions. [2023-11-24 22:57:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2023-11-24 22:57:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 22:57:22,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-24 22:57:22,597 INFO L285 TraceCheckSpWp]: Computing forward predicates...