./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:57,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:58,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:15:58,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:58,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:58,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:58,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:58,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:58,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:58,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:58,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:58,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:58,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:15:58,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:58,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:15:58,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:58,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:58,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:58,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:58,071 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:15:58,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:15:58,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:15:58,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:58,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:58,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:58,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:58,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:58,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:58,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:58,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:58,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:58,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:58,078 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:58,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:58,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:58,078 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_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2023-12-02 21:15:58,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:58,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:58,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:58,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:58,325 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:58,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-12-02 21:16:01,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:01,250 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:01,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-12-02 21:16:01,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/data/b55054b2c/0092a91e6a594c36b67d093438e7b7fc/FLAGc5ac84565 [2023-12-02 21:16:01,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/data/b55054b2c/0092a91e6a594c36b67d093438e7b7fc [2023-12-02 21:16:01,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:01,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:01,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:01,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:01,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:01,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713e8fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01, skipping insertion in model container [2023-12-02 21:16:01,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,301 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:01,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:01,446 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:01,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:01,475 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:01,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01 WrapperNode [2023-12-02 21:16:01,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:01,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:01,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:01,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:01,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,506 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-12-02 21:16:01,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:01,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:01,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:01,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:01,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:01,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:01,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:01,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:01,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:01,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:01,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95695414-da21-4534-80fb-aca8ab2dd37c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:16:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:16:01,653 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:01,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:01,806 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:01,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:01,858 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:16:01,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:01 BoogieIcfgContainer [2023-12-02 21:16:01,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:01,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:01,861 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:01,869 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:01,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:01" (1/1) ... [2023-12-02 21:16:01,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 21:16:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 21:16:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:16:01,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:01,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-12-02 21:16:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-12-02 21:16:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:16:02,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-02 21:16:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-02 21:16:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:16:02,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-02 21:16:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-02 21:16:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:16:02,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:02,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:02,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:16:02,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:16:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-12-02 21:16:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-02 21:16:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:16:02,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:02,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:16:02,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:16:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2023-12-02 21:16:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2023-12-02 21:16:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:16:03,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:03,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:16:03,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:16:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2023-12-02 21:16:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2023-12-02 21:16:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:16:03,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:03,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:16:03,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:16:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-12-02 21:16:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-12-02 21:16:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:16:03,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:03,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:03,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:16:03,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:16:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2023-12-02 21:16:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2023-12-02 21:16:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:16:04,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:04,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:04,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:16:04,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:16:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2023-12-02 21:16:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2023-12-02 21:16:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:16:04,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:04,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:04,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:16:04,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:16:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 78 states and 149 transitions. [2023-12-02 21:16:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 149 transitions. [2023-12-02 21:16:05,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:16:05,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:05,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:16:05,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:16:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2023-12-02 21:16:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2023-12-02 21:16:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:16:06,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:06,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:16:06,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:16:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 94 states and 190 transitions. [2023-12-02 21:16:06,810 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 190 transitions. [2023-12-02 21:16:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:16:06,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:06,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:16:06,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:16:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 98 states and 199 transitions. [2023-12-02 21:16:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 199 transitions. [2023-12-02 21:16:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:16:07,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:07,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:07,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:16:07,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:16:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 107 states and 223 transitions. [2023-12-02 21:16:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 223 transitions. [2023-12-02 21:16:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:16:07,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:07,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:16:07,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:16:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 114 states and 236 transitions. [2023-12-02 21:16:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 236 transitions. [2023-12-02 21:16:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:16:08,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:08,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:16:08,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:16:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 114 states and 234 transitions. [2023-12-02 21:16:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 234 transitions. [2023-12-02 21:16:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:16:08,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:08,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:08,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:16:08,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:16:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 118 states and 236 transitions. [2023-12-02 21:16:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 236 transitions. [2023-12-02 21:16:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:16:09,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:09,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:16:09,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:16:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2023-12-02 21:16:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2023-12-02 21:16:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:16:10,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:10,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:16:10,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:16:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 128 states and 265 transitions. [2023-12-02 21:16:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 265 transitions. [2023-12-02 21:16:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:16:10,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:10,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:16:10,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:16:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:11,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 135 states and 273 transitions. [2023-12-02 21:16:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 273 transitions. [2023-12-02 21:16:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:16:11,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:11,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:11,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:16:11,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:16:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 137 states and 265 transitions. [2023-12-02 21:16:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2023-12-02 21:16:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:16:12,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:12,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:12,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:16:12,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:12,623 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:16:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 146 states and 288 transitions. [2023-12-02 21:16:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 288 transitions. [2023-12-02 21:16:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:16:13,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:13,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:16:13,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:16:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 152 states and 305 transitions. [2023-12-02 21:16:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 305 transitions. [2023-12-02 21:16:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:16:14,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:14,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:16:14,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:16:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 159 states and 318 transitions. [2023-12-02 21:16:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 318 transitions. [2023-12-02 21:16:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:16:14,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:14,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:14,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:16:14,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:16:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 163 states and 331 transitions. [2023-12-02 21:16:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 331 transitions. [2023-12-02 21:16:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:16:15,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:15,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:16:15,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 163 states and 324 transitions. [2023-12-02 21:16:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 324 transitions. [2023-12-02 21:16:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:16:15,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:15,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:16:15,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 15 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 166 states and 328 transitions. [2023-12-02 21:16:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 328 transitions. [2023-12-02 21:16:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:16:16,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:16,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:16,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:16:16,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 248 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 172 states and 340 transitions. [2023-12-02 21:16:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 340 transitions. [2023-12-02 21:16:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:16:17,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:17,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:17,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:16:17,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:16:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 179 states and 348 transitions. [2023-12-02 21:16:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 348 transitions. [2023-12-02 21:16:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:16:18,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:18,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:16:18,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 184 states and 368 transitions. [2023-12-02 21:16:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 368 transitions. [2023-12-02 21:16:19,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:16:19,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:19,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:19,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:16:19,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 189 states and 379 transitions. [2023-12-02 21:16:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 379 transitions. [2023-12-02 21:16:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:16:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:19,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:16:19,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:20,229 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:16:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 196 states and 387 transitions. [2023-12-02 21:16:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 387 transitions. [2023-12-02 21:16:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:16:20,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:20,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:20,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:16:20,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:16:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 196 states and 385 transitions. [2023-12-02 21:16:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 385 transitions. [2023-12-02 21:16:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 21:16:22,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:22,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:22,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:16:22,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:16:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 196 states and 382 transitions. [2023-12-02 21:16:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 382 transitions. [2023-12-02 21:16:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:16:22,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:22,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:22,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:16:22,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:16:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 203 states and 414 transitions. [2023-12-02 21:16:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 414 transitions. [2023-12-02 21:16:23,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:16:23,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:23,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:16:23,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:16:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 206 states and 416 transitions. [2023-12-02 21:16:24,413 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2023-12-02 21:16:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 21:16:24,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:24,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:24,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:16:24,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:16:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 213 states and 424 transitions. [2023-12-02 21:16:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 424 transitions. [2023-12-02 21:16:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 21:16:25,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:25,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:25,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:16:25,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:16:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 213 states and 409 transitions. [2023-12-02 21:16:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 409 transitions. [2023-12-02 21:16:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:16:26,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:26,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:16:26,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 18 proven. 528 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:16:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 222 states and 432 transitions. [2023-12-02 21:16:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 432 transitions. [2023-12-02 21:16:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:16:28,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:28,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:16:28,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 21 proven. 546 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:16:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 225 states and 435 transitions. [2023-12-02 21:16:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 435 transitions. [2023-12-02 21:16:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:16:28,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:28,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:28,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:16:28,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:16:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 226 states and 447 transitions. [2023-12-02 21:16:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 447 transitions. [2023-12-02 21:16:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:16:29,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:29,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:16:29,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:16:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 233 states and 459 transitions. [2023-12-02 21:16:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 459 transitions. [2023-12-02 21:16:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 21:16:30,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:30,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:16:30,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 21:16:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 240 states and 473 transitions. [2023-12-02 21:16:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 473 transitions. [2023-12-02 21:16:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 21:16:32,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:32,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:16:32,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 744 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:16:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 240 states and 463 transitions. [2023-12-02 21:16:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 463 transitions. [2023-12-02 21:16:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 21:16:33,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:33,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:16:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:16:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 242 states and 468 transitions. [2023-12-02 21:16:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 468 transitions. [2023-12-02 21:16:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 21:16:34,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:34,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:34,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:16:34,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:16:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 247 states and 494 transitions. [2023-12-02 21:16:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 494 transitions. [2023-12-02 21:16:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 21:16:35,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:35,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:16:35,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:16:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 252 states and 505 transitions. [2023-12-02 21:16:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 505 transitions. [2023-12-02 21:16:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:16:36,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:36,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:16:36,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:16:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 513 transitions. [2023-12-02 21:16:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 513 transitions. [2023-12-02 21:16:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 21:16:38,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:38,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:38,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:16:38,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:16:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 259 states and 511 transitions. [2023-12-02 21:16:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 511 transitions. [2023-12-02 21:16:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 21:16:40,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:40,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:40,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 21:16:40,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:16:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 259 states and 507 transitions. [2023-12-02 21:16:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 507 transitions. [2023-12-02 21:16:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:16:41,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:41,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:16:41,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 825 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 21:16:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 268 states and 532 transitions. [2023-12-02 21:16:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 532 transitions. [2023-12-02 21:16:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 21:16:42,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:43,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 21:16:43,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:16:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 276 states and 561 transitions. [2023-12-02 21:16:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 561 transitions. [2023-12-02 21:16:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 21:16:44,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:44,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:16:44,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:16:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 276 states and 540 transitions. [2023-12-02 21:16:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 540 transitions. [2023-12-02 21:16:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:16:46,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:46,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:46,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 21:16:46,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:16:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 285 states and 564 transitions. [2023-12-02 21:16:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 564 transitions. [2023-12-02 21:16:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 21:16:47,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:47,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:16:47,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:16:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 287 states and 569 transitions. [2023-12-02 21:16:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 569 transitions. [2023-12-02 21:16:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 21:16:49,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:49,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:16:49,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 1210 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:16:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 294 states and 606 transitions. [2023-12-02 21:16:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 606 transitions. [2023-12-02 21:16:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 21:16:50,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:50,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:16:50,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 1210 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:16:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 297 states and 608 transitions. [2023-12-02 21:16:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 608 transitions. [2023-12-02 21:16:51,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 21:16:51,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:51,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:51,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 21:16:51,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 21:16:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 308 states and 647 transitions. [2023-12-02 21:16:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 647 transitions. [2023-12-02 21:16:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 21:16:53,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:53,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:16:53,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:54,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1430 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:16:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 308 states and 634 transitions. [2023-12-02 21:16:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 634 transitions. [2023-12-02 21:16:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 21:16:55,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:55,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:55,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:16:55,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:16:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 308 states and 630 transitions. [2023-12-02 21:16:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 630 transitions. [2023-12-02 21:16:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 21:16:56,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:56,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:16:56,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:16:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 316 states and 661 transitions. [2023-12-02 21:16:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 661 transitions. [2023-12-02 21:16:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 21:16:58,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:58,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:16:58,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 21:16:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 325 states and 685 transitions. [2023-12-02 21:16:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 685 transitions. [2023-12-02 21:16:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-02 21:16:59,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:59,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:16:59,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 1716 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:17:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 325 states and 671 transitions. [2023-12-02 21:17:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 671 transitions. [2023-12-02 21:17:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 21:17:01,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:01,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:01,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 21:17:01,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 33 proven. 1683 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:17:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 329 states and 673 transitions. [2023-12-02 21:17:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 673 transitions. [2023-12-02 21:17:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 21:17:03,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:03,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:17:03,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 1752 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:17:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 331 states and 678 transitions. [2023-12-02 21:17:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 678 transitions. [2023-12-02 21:17:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 21:17:05,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:05,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:17:05,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1764 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:17:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 341 states and 720 transitions. [2023-12-02 21:17:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 720 transitions. [2023-12-02 21:17:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 21:17:07,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:07,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:07,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:17:07,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1609 backedges. 0 proven. 1575 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 21:17:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 350 states and 744 transitions. [2023-12-02 21:17:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 744 transitions. [2023-12-02 21:17:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 21:17:09,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:09,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:09,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 21:17:09,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2106 backedges. 2028 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:17:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 350 states and 742 transitions. [2023-12-02 21:17:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 742 transitions. [2023-12-02 21:17:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 21:17:12,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:12,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:17:12,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2067 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:17:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 350 states and 737 transitions. [2023-12-02 21:17:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 737 transitions. [2023-12-02 21:17:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 21:17:13,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:13,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:17:13,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1800 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:17:15,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 359 states and 761 transitions. [2023-12-02 21:17:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 761 transitions. [2023-12-02 21:17:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 21:17:15,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:15,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:15,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:17:15,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2158 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:17:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 367 states and 795 transitions. [2023-12-02 21:17:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 795 transitions. [2023-12-02 21:17:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 21:17:17,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:17,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:17:17,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 2366 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-02 21:17:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 367 states and 766 transitions. [2023-12-02 21:17:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 766 transitions. [2023-12-02 21:17:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 21:17:20,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:20,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:20,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:17:20,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2492 backedges. 0 proven. 2408 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-02 21:17:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 369 states and 770 transitions. [2023-12-02 21:17:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 770 transitions. [2023-12-02 21:17:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 21:17:23,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:17:23,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 0 proven. 2040 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 21:17:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 378 states and 794 transitions. [2023-12-02 21:17:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 794 transitions. [2023-12-02 21:17:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-02 21:17:24,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:24,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:17:24,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 0 proven. 2422 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-02 21:17:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 386 states and 829 transitions. [2023-12-02 21:17:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 829 transitions. [2023-12-02 21:17:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 21:17:26,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:26,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:17:26,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:17:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 393 states and 837 transitions. [2023-12-02 21:17:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 837 transitions. [2023-12-02 21:17:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 21:17:31,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:31,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:17:31,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2820 backedges. 2730 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:17:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 393 states and 835 transitions. [2023-12-02 21:17:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 835 transitions. [2023-12-02 21:17:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 21:17:34,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:34,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:17:34,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 45 proven. 2730 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:17:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:36,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 396 states and 839 transitions. [2023-12-02 21:17:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 839 transitions. [2023-12-02 21:17:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 21:17:36,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:36,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:17:36,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2820 backedges. 42 proven. 2688 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:17:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 400 states and 840 transitions. [2023-12-02 21:17:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 840 transitions. [2023-12-02 21:17:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 21:17:37,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:37,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:37,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:17:37,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2880 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:17:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 403 states and 869 transitions. [2023-12-02 21:17:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 869 transitions. [2023-12-02 21:17:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-02 21:17:39,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:39,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:40,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:17:40,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2880 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:17:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 410 states and 881 transitions. [2023-12-02 21:17:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 881 transitions. [2023-12-02 21:17:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-02 21:17:41,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:41,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:41,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:17:41,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 2565 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 21:17:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 417 states and 889 transitions. [2023-12-02 21:17:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 889 transitions. [2023-12-02 21:17:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-02 21:17:44,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:44,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:44,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:17:44,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3216 backedges. 3120 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 21:17:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 417 states and 887 transitions. [2023-12-02 21:17:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 887 transitions. [2023-12-02 21:17:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-02 21:17:46,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:46,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:17:46,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3216 backedges. 0 proven. 3120 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 21:17:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 419 states and 890 transitions. [2023-12-02 21:17:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 890 transitions. [2023-12-02 21:17:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-02 21:17:48,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:48,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:17:48,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 3184 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 21:17:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 429 states and 937 transitions. [2023-12-02 21:17:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 937 transitions. [2023-12-02 21:17:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-02 21:17:51,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:51,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:17:51,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 21:17:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 438 states and 962 transitions. [2023-12-02 21:17:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 962 transitions. [2023-12-02 21:17:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-12-02 21:17:54,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:54,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:17:54,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3638 backedges. 3536 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 21:18:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 438 states and 912 transitions. [2023-12-02 21:18:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 912 transitions. [2023-12-02 21:18:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-02 21:18:00,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:00,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:00,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:18:00,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3638 backedges. 0 proven. 3536 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 21:18:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 438 states and 906 transitions. [2023-12-02 21:18:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 906 transitions. [2023-12-02 21:18:01,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-12-02 21:18:01,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:01,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:01,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:18:01,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3706 backedges. 0 proven. 3604 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 21:18:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 448 states and 954 transitions. [2023-12-02 21:18:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 954 transitions. [2023-12-02 21:18:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-12-02 21:18:04,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:04,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:04,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:18:04,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 3150 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 21:18:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:08,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 455 states and 962 transitions. [2023-12-02 21:18:08,092 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 962 transitions. [2023-12-02 21:18:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-12-02 21:18:08,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:08,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:08,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:18:08,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 3978 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:18:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 455 states and 942 transitions. [2023-12-02 21:18:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 942 transitions. [2023-12-02 21:18:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-12-02 21:18:12,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:12,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:18:12,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 51 proven. 3927 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:18:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 459 states and 951 transitions. [2023-12-02 21:18:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 951 transitions. [2023-12-02 21:18:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-12-02 21:18:14,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:14,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:18:14,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 54 proven. 3978 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:18:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 464 states and 963 transitions. [2023-12-02 21:18:16,536 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 963 transitions. [2023-12-02 21:18:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-02 21:18:16,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:16,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:16,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 21:18:16,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3513 backedges. 0 proven. 3465 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:18:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 473 states and 988 transitions. [2023-12-02 21:18:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 988 transitions. [2023-12-02 21:18:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-02 21:18:19,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:19,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:19,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:18:19,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4158 backedges. 0 proven. 4050 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:18:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 474 states and 1011 transitions. [2023-12-02 21:18:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1011 transitions. [2023-12-02 21:18:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-02 21:18:21,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:21,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:18:21,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4158 backedges. 0 proven. 4050 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:18:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 481 states and 1023 transitions. [2023-12-02 21:18:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1023 transitions. [2023-12-02 21:18:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-02 21:18:23,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:23,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:18:23,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 4446 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 21:18:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 481 states and 1021 transitions. [2023-12-02 21:18:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1021 transitions. [2023-12-02 21:18:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-12-02 21:18:27,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:27,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:28,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:18:28,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3845 backedges. 0 proven. 3795 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-02 21:18:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 488 states and 1029 transitions. [2023-12-02 21:18:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1029 transitions. [2023-12-02 21:18:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-02 21:18:31,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:31,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:18:31,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 54 proven. 4392 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 21:18:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 494 states and 1047 transitions. [2023-12-02 21:18:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1047 transitions. [2023-12-02 21:18:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-02 21:18:34,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:34,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:18:34,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 0 proven. 4503 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 21:18:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 496 states and 1049 transitions. [2023-12-02 21:18:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1049 transitions. [2023-12-02 21:18:37,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-12-02 21:18:37,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:37,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:37,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:18:37,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4636 backedges. 0 proven. 4522 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 21:18:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 506 states and 1101 transitions. [2023-12-02 21:18:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1101 transitions. [2023-12-02 21:18:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-02 21:18:40,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:40,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:40,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:18:40,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4192 backedges. 0 proven. 4140 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 21:18:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 515 states and 1126 transitions. [2023-12-02 21:18:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1126 transitions. [2023-12-02 21:18:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-02 21:18:44,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:44,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:18:44,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 4940 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:18:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 515 states and 1085 transitions. [2023-12-02 21:18:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1085 transitions. [2023-12-02 21:18:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-12-02 21:18:50,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:50,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:50,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:18:50,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5120 backedges. 0 proven. 5000 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:18:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 515 states and 1077 transitions. [2023-12-02 21:18:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1077 transitions. [2023-12-02 21:18:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-12-02 21:18:52,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:52,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:52,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:18:52,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5140 backedges. 0 proven. 5020 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:18:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 523 states and 1121 transitions. [2023-12-02 21:18:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1121 transitions. [2023-12-02 21:18:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-02 21:18:54,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:54,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:55,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 21:18:55,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:18:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4554 backedges. 0 proven. 4500 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:18:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 532 states and 1145 transitions. [2023-12-02 21:18:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1145 transitions. [2023-12-02 21:18:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-02 21:18:57,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:57,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:18:57,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5586 backedges. 5460 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 21:19:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 532 states and 1122 transitions. [2023-12-02 21:19:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1122 transitions. [2023-12-02 21:19:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-12-02 21:19:03,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:03,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:19:03,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5649 backedges. 0 proven. 5523 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 21:19:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 534 states and 1123 transitions. [2023-12-02 21:19:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1123 transitions. [2023-12-02 21:19:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-02 21:19:06,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:06,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:06,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:19:06,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5670 backedges. 0 proven. 5544 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 21:19:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 542 states and 1168 transitions. [2023-12-02 21:19:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1168 transitions. [2023-12-02 21:19:09,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-02 21:19:09,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:09,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:09,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 21:19:09,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4931 backedges. 0 proven. 4875 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:19:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 551 states and 1192 transitions. [2023-12-02 21:19:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1192 transitions. [2023-12-02 21:19:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-12-02 21:19:11,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:11,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:19:11,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6138 backedges. 6006 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 21:19:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 551 states and 1168 transitions. [2023-12-02 21:19:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1168 transitions. [2023-12-02 21:19:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-12-02 21:19:18,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:18,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:19:18,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 0 proven. 6072 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 21:19:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 553 states and 1169 transitions. [2023-12-02 21:19:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1169 transitions. [2023-12-02 21:19:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-12-02 21:19:21,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:21,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:19:21,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-02 21:19:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 560 states and 1177 transitions. [2023-12-02 21:19:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1177 transitions. [2023-12-02 21:19:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-02 21:19:28,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:28,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:28,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:19:28,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 0 proven. 6094 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 21:19:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 570 states and 1232 transitions. [2023-12-02 21:19:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1232 transitions. [2023-12-02 21:19:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-12-02 21:19:32,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:32,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:19:32,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6716 backedges. 6578 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 21:19:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 570 states and 1207 transitions. [2023-12-02 21:19:40,006 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1207 transitions. [2023-12-02 21:19:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-02 21:19:40,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:40,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:40,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:19:40,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6716 backedges. 66 proven. 6512 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 21:19:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 576 states and 1225 transitions. [2023-12-02 21:19:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1225 transitions. [2023-12-02 21:19:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-02 21:19:44,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:44,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:19:44,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6785 backedges. 0 proven. 6647 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 21:19:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 576 states and 1217 transitions. [2023-12-02 21:19:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1217 transitions. [2023-12-02 21:19:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-02 21:19:46,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:46,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:46,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:19:46,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5730 backedges. 0 proven. 5670 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:19:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 583 states and 1225 transitions. [2023-12-02 21:19:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1225 transitions. [2023-12-02 21:19:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-12-02 21:19:50,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:50,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:50,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:19:50,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6808 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 21:19:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 591 states and 1273 transitions. [2023-12-02 21:19:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1273 transitions. [2023-12-02 21:19:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-02 21:19:53,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:53,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 21:19:53,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6152 backedges. 0 proven. 6090 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 21:19:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 598 states and 1281 transitions. [2023-12-02 21:19:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1281 transitions. [2023-12-02 21:19:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-12-02 21:19:57,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:57,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:19:57,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 7176 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-02 21:20:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:04,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 598 states and 1279 transitions. [2023-12-02 21:20:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1279 transitions. [2023-12-02 21:20:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-02 21:20:04,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:05,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:20:05,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7392 backedges. 0 proven. 7248 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-02 21:20:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 600 states and 1279 transitions. [2023-12-02 21:20:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1279 transitions. [2023-12-02 21:20:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-12-02 21:20:08,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:08,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:08,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:20:08,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7416 backedges. 0 proven. 7272 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-02 21:20:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 610 states and 1337 transitions. [2023-12-02 21:20:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1337 transitions. [2023-12-02 21:20:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-12-02 21:20:12,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:12,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:13,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 21:20:13,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6589 backedges. 0 proven. 6525 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 21:20:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 619 states and 1362 transitions. [2023-12-02 21:20:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1362 transitions. [2023-12-02 21:20:19,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-02 21:20:19,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:19,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:19,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:20:19,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8000 backedges. 7850 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:20:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 619 states and 1311 transitions. [2023-12-02 21:20:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1311 transitions. [2023-12-02 21:20:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-12-02 21:20:28,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:28,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:29,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 21:20:29,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8025 backedges. 75 proven. 7800 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:20:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 622 states and 1315 transitions. [2023-12-02 21:20:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1315 transitions. [2023-12-02 21:20:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-12-02 21:20:33,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:33,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:33,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:20:33,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7950 backedges. 0 proven. 7800 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:20:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 622 states and 1306 transitions. [2023-12-02 21:20:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1306 transitions. [2023-12-02 21:20:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2023-12-02 21:20:35,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:35,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:20:35,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8050 backedges. 0 proven. 7900 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-02 21:20:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 630 states and 1356 transitions. [2023-12-02 21:20:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1356 transitions. [2023-12-02 21:20:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-12-02 21:20:39,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:39,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:39,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 21:20:39,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7041 backedges. 0 proven. 6975 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:20:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 637 states and 1364 transitions. [2023-12-02 21:20:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1364 transitions. [2023-12-02 21:20:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2023-12-02 21:20:44,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:44,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:20:44,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8658 backedges. 8502 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 21:20:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 637 states and 1336 transitions. [2023-12-02 21:20:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1336 transitions. [2023-12-02 21:20:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2023-12-02 21:20:53,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:53,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:20:54,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8606 backedges. 0 proven. 8450 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 21:20:57,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 639 states and 1336 transitions. [2023-12-02 21:20:57,130 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1336 transitions. [2023-12-02 21:20:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2023-12-02 21:20:57,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:57,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:20:57,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8710 backedges. 0 proven. 8554 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-12-02 21:21:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 647 states and 1387 transitions. [2023-12-02 21:21:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1387 transitions. [2023-12-02 21:21:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2023-12-02 21:21:01,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:01,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:21:01,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7508 backedges. 0 proven. 7440 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 21:21:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 654 states and 1395 transitions. [2023-12-02 21:21:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1395 transitions. [2023-12-02 21:21:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-12-02 21:21:05,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:05,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 21:21:05,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 9342 backedges. 9180 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:21:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 654 states and 1393 transitions. [2023-12-02 21:21:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1393 transitions. [2023-12-02 21:21:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2023-12-02 21:21:12,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:12,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 21:21:12,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9288 backedges. 78 proven. 9048 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:21:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 658 states and 1402 transitions. [2023-12-02 21:21:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1402 transitions. [2023-12-02 21:21:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2023-12-02 21:21:14,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:14,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:15,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-02 21:21:15,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 81 proven. 9126 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:21:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 661 states and 1405 transitions. [2023-12-02 21:21:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1405 transitions. [2023-12-02 21:21:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-12-02 21:21:17,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:17,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:21:17,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 0 proven. 7920 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 21:21:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 668 states and 1413 transitions. [2023-12-02 21:21:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1413 transitions. [2023-12-02 21:21:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-12-02 21:21:21,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:21,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:21,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:21:21,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9396 backedges. 0 proven. 9234 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:21:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 671 states and 1454 transitions. [2023-12-02 21:21:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1454 transitions. [2023-12-02 21:21:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-12-02 21:21:26,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:26,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:26,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:21:26,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9396 backedges. 0 proven. 9234 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 21:21:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 680 states and 1475 transitions. [2023-12-02 21:21:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1475 transitions. [2023-12-02 21:21:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-12-02 21:21:31,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:31,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:31,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:21:31,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10052 backedges. 9884 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-02 21:21:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 680 states and 1418 transitions. [2023-12-02 21:21:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1418 transitions. [2023-12-02 21:21:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-12-02 21:21:43,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:43,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 21:21:43,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8487 backedges. 0 proven. 8415 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:21:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 687 states and 1426 transitions. [2023-12-02 21:21:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1426 transitions. [2023-12-02 21:21:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-12-02 21:21:48,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:48,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:48,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-02 21:21:48,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9996 backedges. 81 proven. 9747 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-02 21:21:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 691 states and 1435 transitions. [2023-12-02 21:21:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1435 transitions. [2023-12-02 21:21:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-12-02 21:21:50,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:50,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:50,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:21:50,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10080 backedges. 0 proven. 9912 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-02 21:21:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 691 states and 1425 transitions. [2023-12-02 21:21:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1425 transitions. [2023-12-02 21:21:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-12-02 21:21:53,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:53,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:53,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:21:53,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10108 backedges. 0 proven. 9940 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-02 21:21:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 699 states and 1480 transitions. [2023-12-02 21:21:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1480 transitions. [2023-12-02 21:21:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2023-12-02 21:21:57,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:57,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:57,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:21:57,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8999 backedges. 0 proven. 8925 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 21:22:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 706 states and 1488 transitions. [2023-12-02 21:22:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1488 transitions. [2023-12-02 21:22:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-12-02 21:22:02,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:02,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:02,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 21:22:02,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10788 backedges. 10614 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 21:22:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 706 states and 1457 transitions. [2023-12-02 21:22:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1457 transitions. [2023-12-02 21:22:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-12-02 21:22:13,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:13,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:14,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 21:22:14,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10817 backedges. 0 proven. 10643 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 21:22:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 708 states and 1455 transitions. [2023-12-02 21:22:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1455 transitions. [2023-12-02 21:22:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-12-02 21:22:18,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:18,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:18,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 21:22:18,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10846 backedges. 0 proven. 10672 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 21:22:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 716 states and 1511 transitions. [2023-12-02 21:22:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1511 transitions. [2023-12-02 21:22:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-12-02 21:22:22,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:22,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:22,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 21:22:22,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9526 backedges. 0 proven. 9450 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:22:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 725 states and 1536 transitions. [2023-12-02 21:22:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1536 transitions. [2023-12-02 21:22:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2023-12-02 21:22:33,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:34,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:34,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 21:22:34,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11550 backedges. 11370 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-02 21:22:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 725 states and 1534 transitions. [2023-12-02 21:22:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1534 transitions. [2023-12-02 21:22:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2023-12-02 21:22:40,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:40,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:40,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 21:22:40,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 11580 backedges. 0 proven. 11400 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-02 21:22:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 727 states and 1532 transitions. [2023-12-02 21:22:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1532 transitions. [2023-12-02 21:22:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2023-12-02 21:22:45,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:45,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:45,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 21:22:45,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11610 backedges. 0 proven. 11430 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-02 21:22:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 737 states and 1598 transitions. [2023-12-02 21:22:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1598 transitions. [2023-12-02 21:22:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-12-02 21:22:51,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:51,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:51,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 21:22:51,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10068 backedges. 0 proven. 9990 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:22:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 744 states and 1606 transitions. [2023-12-02 21:22:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1606 transitions. [2023-12-02 21:22:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2023-12-02 21:22:57,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:57,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:58,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-02 21:22:58,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12338 backedges. 12152 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 21:23:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 744 states and 1604 transitions. [2023-12-02 21:23:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1604 transitions. [2023-12-02 21:23:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2023-12-02 21:23:01,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:01,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:02,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-02 21:23:02,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12276 backedges. 90 proven. 12000 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 21:23:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 748 states and 1613 transitions. [2023-12-02 21:23:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1613 transitions. [2023-12-02 21:23:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2023-12-02 21:23:06,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:06,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-02 21:23:06,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12369 backedges. 93 proven. 12090 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 21:23:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 751 states and 1616 transitions. [2023-12-02 21:23:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1616 transitions. [2023-12-02 21:23:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2023-12-02 21:23:09,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:09,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:10,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 21:23:10,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10625 backedges. 0 proven. 10545 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 21:23:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 760 states and 1641 transitions. [2023-12-02 21:23:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1641 transitions. [2023-12-02 21:23:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2023-12-02 21:23:15,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:15,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 21:23:15,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12400 backedges. 0 proven. 12214 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 21:23:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 761 states and 1677 transitions. [2023-12-02 21:23:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1677 transitions. [2023-12-02 21:23:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2023-12-02 21:23:19,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:19,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 21:23:19,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12400 backedges. 0 proven. 12214 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 21:23:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 768 states and 1689 transitions. [2023-12-02 21:23:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1689 transitions. [2023-12-02 21:23:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2023-12-02 21:23:24,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:24,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:24,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-02 21:23:24,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13152 backedges. 12960 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-12-02 21:23:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 768 states and 1687 transitions. [2023-12-02 21:23:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1687 transitions. [2023-12-02 21:23:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-12-02 21:23:28,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:28,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:28,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:23:28,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13088 backedges. 0 proven. 12896 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-12-02 21:23:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 770 states and 1684 transitions. [2023-12-02 21:23:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1684 transitions. [2023-12-02 21:23:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-12-02 21:23:32,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:32,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 80 conjunts are in the unsatisfiable core [2023-12-02 21:23:32,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11197 backedges. 0 proven. 11115 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 21:23:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 779 states and 1708 transitions. [2023-12-02 21:23:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1708 transitions. [2023-12-02 21:23:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2023-12-02 21:23:36,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:36,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:36,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:23:36,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 13216 backedges. 0 proven. 13024 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-12-02 21:23:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 789 states and 1777 transitions. [2023-12-02 21:23:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1777 transitions. [2023-12-02 21:23:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2023-12-02 21:23:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:44,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-02 21:23:44,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11784 backedges. 0 proven. 11700 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-02 21:23:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 798 states and 1801 transitions. [2023-12-02 21:23:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1801 transitions. [2023-12-02 21:23:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2023-12-02 21:23:48,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:48,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 21:23:48,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 13992 backedges. 13794 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:23:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 798 states and 1799 transitions. [2023-12-02 21:23:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1799 transitions. [2023-12-02 21:23:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2023-12-02 21:23:53,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:53,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:53,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:23:53,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13926 backedges. 0 proven. 13728 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:23:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 798 states and 1787 transitions. [2023-12-02 21:23:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1787 transitions. [2023-12-02 21:23:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-02 21:23:55,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:55,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:55,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:23:55,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14058 backedges. 0 proven. 13860 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:24:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 803 states and 1846 transitions. [2023-12-02 21:24:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1846 transitions. [2023-12-02 21:24:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-02 21:24:00,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:00,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:00,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:24:00,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14058 backedges. 0 proven. 13860 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-02 21:24:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 808 states and 1857 transitions. [2023-12-02 21:24:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1857 transitions. [2023-12-02 21:24:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2023-12-02 21:24:04,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:04,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:05,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 84 conjunts are in the unsatisfiable core [2023-12-02 21:24:05,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12386 backedges. 0 proven. 12300 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-02 21:24:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 817 states and 1881 transitions. [2023-12-02 21:24:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1881 transitions. [2023-12-02 21:24:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2023-12-02 21:24:09,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:09,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 21:24:09,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14790 backedges. 14586 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 21:24:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 817 states and 1879 transitions. [2023-12-02 21:24:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1879 transitions. [2023-12-02 21:24:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-12-02 21:24:13,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:13,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 21:24:13,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 14790 backedges. 99 proven. 14487 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 21:24:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 821 states and 1888 transitions. [2023-12-02 21:24:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1888 transitions. [2023-12-02 21:24:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-12-02 21:24:18,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:18,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:19,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 21:24:19,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14892 backedges. 102 proven. 14586 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 21:24:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 826 states and 1900 transitions. [2023-12-02 21:24:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1900 transitions. [2023-12-02 21:24:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2023-12-02 21:24:22,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:22,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:23,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 21:24:23,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14926 backedges. 0 proven. 14722 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 21:24:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 827 states and 1939 transitions. [2023-12-02 21:24:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1939 transitions. [2023-12-02 21:24:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2023-12-02 21:24:27,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:27,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:27,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 21:24:27,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14926 backedges. 0 proven. 14722 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 21:24:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 834 states and 1951 transitions. [2023-12-02 21:24:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1951 transitions. [2023-12-02 21:24:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-02 21:24:32,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:32,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-02 21:24:32,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13003 backedges. 0 proven. 12915 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-02 21:24:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 841 states and 1959 transitions. [2023-12-02 21:24:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1959 transitions. [2023-12-02 21:24:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2023-12-02 21:24:46,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:46,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:24:46,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15680 backedges. 15470 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 21:25:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 841 states and 1762 transitions. [2023-12-02 21:25:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1762 transitions. [2023-12-02 21:25:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-12-02 21:25:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:11,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:25:11,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15680 backedges. 0 proven. 15470 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 21:25:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 843 states and 1758 transitions. [2023-12-02 21:25:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1758 transitions. [2023-12-02 21:25:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2023-12-02 21:25:16,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:16,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:25:16,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15820 backedges. 0 proven. 15610 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 21:25:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 850 states and 1829 transitions. [2023-12-02 21:25:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1829 transitions. [2023-12-02 21:25:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2023-12-02 21:25:23,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:23,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:25:23,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15820 backedges. 0 proven. 15610 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 21:25:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 853 states and 1831 transitions. [2023-12-02 21:25:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1831 transitions. [2023-12-02 21:25:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-12-02 21:25:26,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:26,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:26,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 88 conjunts are in the unsatisfiable core [2023-12-02 21:25:26,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13635 backedges. 0 proven. 13545 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-02 21:25:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 862 states and 1856 transitions. [2023-12-02 21:25:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1856 transitions. [2023-12-02 21:25:33,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-12-02 21:25:33,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:33,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 21:25:33,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16596 backedges. 16380 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-12-02 21:25:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 862 states and 1854 transitions. [2023-12-02 21:25:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1854 transitions. [2023-12-02 21:25:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-12-02 21:25:41,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:41,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 21:25:41,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16596 backedges. 0 proven. 16380 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-12-02 21:25:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 862 states and 1841 transitions. [2023-12-02 21:25:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1841 transitions. [2023-12-02 21:25:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-12-02 21:25:43,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:44,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-02 21:25:44,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14282 backedges. 0 proven. 14190 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 21:25:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 871 states and 1865 transitions. [2023-12-02 21:25:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1865 transitions. [2023-12-02 21:25:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2023-12-02 21:25:48,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:48,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:49,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 21:25:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16740 backedges. 0 proven. 16524 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-12-02 21:25:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 881 states and 1939 transitions. [2023-12-02 21:25:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1939 transitions. [2023-12-02 21:25:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2023-12-02 21:25:57,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:57,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:57,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 21:25:57,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17538 backedges. 17316 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-02 21:26:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 881 states and 1937 transitions. [2023-12-02 21:26:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1937 transitions. [2023-12-02 21:26:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2023-12-02 21:26:03,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:03,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:03,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-02 21:26:03,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 14944 backedges. 0 proven. 14850 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-02 21:26:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 890 states and 1961 transitions. [2023-12-02 21:26:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1961 transitions. [2023-12-02 21:26:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2023-12-02 21:26:08,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:08,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:08,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 21:26:08,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 17538 backedges. 0 proven. 17316 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-02 21:26:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 890 states and 1948 transitions. [2023-12-02 21:26:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1948 transitions. [2023-12-02 21:26:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2023-12-02 21:26:11,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:11,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 21:26:11,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17686 backedges. 0 proven. 17464 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-12-02 21:26:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 898 states and 2014 transitions. [2023-12-02 21:26:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2014 transitions. [2023-12-02 21:26:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2023-12-02 21:26:18,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:18,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:18,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 95 conjunts are in the unsatisfiable core [2023-12-02 21:26:18,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15621 backedges. 0 proven. 15525 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 21:26:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 905 states and 2022 transitions. [2023-12-02 21:26:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 2022 transitions. [2023-12-02 21:26:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2023-12-02 21:26:32,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:32,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 21:26:32,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 18506 backedges. 18278 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-02 21:26:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 905 states and 1909 transitions. [2023-12-02 21:26:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1909 transitions. [2023-12-02 21:26:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2023-12-02 21:26:57,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:57,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 21:26:57,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18506 backedges. 111 proven. 18167 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-02 21:27:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 909 states and 1911 transitions. [2023-12-02 21:27:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1911 transitions. [2023-12-02 21:27:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2023-12-02 21:27:04,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:04,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 21:27:04,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 18620 backedges. 114 proven. 18278 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-02 21:27:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 912 states and 1914 transitions. [2023-12-02 21:27:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1914 transitions. [2023-12-02 21:27:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2023-12-02 21:27:07,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:07,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 21:27:07,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18658 backedges. 0 proven. 18430 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-02 21:27:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 915 states and 1966 transitions. [2023-12-02 21:27:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1966 transitions. [2023-12-02 21:27:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2023-12-02 21:27:15,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:15,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:15,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 21:27:15,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 18658 backedges. 0 proven. 18430 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-02 21:27:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 924 states and 1987 transitions. [2023-12-02 21:27:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1987 transitions. [2023-12-02 21:27:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-12-02 21:27:23,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:23,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:23,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 97 conjunts are in the unsatisfiable core [2023-12-02 21:27:23,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16313 backedges. 0 proven. 16215 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-12-02 21:27:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 931 states and 1995 transitions. [2023-12-02 21:27:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1995 transitions. [2023-12-02 21:27:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2023-12-02 21:27:30,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:30,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:30,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 80 conjunts are in the unsatisfiable core [2023-12-02 21:27:30,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 19500 backedges. 19266 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:27:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 931 states and 1993 transitions. [2023-12-02 21:27:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1993 transitions. [2023-12-02 21:27:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2023-12-02 21:27:39,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:39,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 80 conjunts are in the unsatisfiable core [2023-12-02 21:27:39,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19500 backedges. 114 proven. 19152 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:27:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 935 states and 1995 transitions. [2023-12-02 21:27:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1995 transitions. [2023-12-02 21:27:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2023-12-02 21:27:42,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:42,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 21:27:42,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 19617 backedges. 0 proven. 19383 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:27:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 935 states and 1981 transitions. [2023-12-02 21:27:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1981 transitions. [2023-12-02 21:27:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2023-12-02 21:27:46,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:46,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:46,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 21:27:46,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 19656 backedges. 0 proven. 19422 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-12-02 21:27:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 945 states and 2060 transitions. [2023-12-02 21:27:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2060 transitions. [2023-12-02 21:27:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2023-12-02 21:27:55,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:55,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:55,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 98 conjunts are in the unsatisfiable core [2023-12-02 21:27:55,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 16920 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 21:28:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 954 states and 2085 transitions. [2023-12-02 21:28:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2085 transitions. [2023-12-02 21:28:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2023-12-02 21:28:05,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:05,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:06,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-02 21:28:06,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 20600 backedges. 20360 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-02 21:28:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 954 states and 2004 transitions. [2023-12-02 21:28:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2004 transitions. [2023-12-02 21:28:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2023-12-02 21:28:31,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:31,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:31,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-02 21:28:31,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20640 backedges. 120 proven. 20280 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-02 21:28:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 957 states and 2008 transitions. [2023-12-02 21:28:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 2008 transitions. [2023-12-02 21:28:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2023-12-02 21:28:38,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:38,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-02 21:28:38,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20520 backedges. 117 proven. 20163 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-02 21:28:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 961 states and 2009 transitions. [2023-12-02 21:28:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2009 transitions. [2023-12-02 21:28:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2023-12-02 21:28:39,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:39,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:40,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 100 conjunts are in the unsatisfiable core [2023-12-02 21:28:40,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17742 backedges. 0 proven. 17640 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 21:28:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 970 states and 2033 transitions. [2023-12-02 21:28:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2033 transitions. [2023-12-02 21:28:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2023-12-02 21:28:45,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:45,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:45,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-02 21:28:45,942 INFO L285 TraceCheckSpWp]: Computing forward predicates...