./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:01,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:01,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:01,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:01,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:01,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:01,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:01,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:01,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:01,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:01,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:01,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:01,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:01,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:01,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:01,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:01,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:01,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:01,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:01,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:01,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:01,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:01,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:01,433 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:01,434 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:01,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:01,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:01,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:01,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:01,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:01,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:01,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:01,436 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:01,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:01,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:01,437 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_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2023-11-21 18:53:01,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:01,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:01,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:01,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:01,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:01,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/hard2.c [2023-11-21 18:53:04,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:05,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:05,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/sv-benchmarks/c/nla-digbench/hard2.c [2023-11-21 18:53:05,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/data/eb44099ea/986492c2fd3c4688b894a0479a4f7247/FLAG3205eeacb [2023-11-21 18:53:05,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/data/eb44099ea/986492c2fd3c4688b894a0479a4f7247 [2023-11-21 18:53:05,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:05,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:05,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:05,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:05,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:05,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254e5798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05, skipping insertion in model container [2023-11-21 18:53:05,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:05,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:05,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:05,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:05,447 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:05,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05 WrapperNode [2023-11-21 18:53:05,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:05,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:05,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:05,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:05,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,500 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:53:05,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:05,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:05,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:05,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:05,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:05,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:05,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:05,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:05,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:05,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:05,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593a98a-10b3-4daf-bd55-5425732cdc63/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:53:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:53:05,684 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:05,685 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:05,930 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:05,972 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:05,972 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:53:05,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:05 BoogieIcfgContainer [2023-11-21 18:53:05,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:05,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:05,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:05,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:05,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:05" (1/1) ... [2023-11-21 18:53:05,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-21 18:53:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:53:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:06,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:53:06,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-21 18:53:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-21 18:53:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:06,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:06,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-21 18:53:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-21 18:53:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:06,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:06,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-21 18:53:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-21 18:53:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:06,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:06,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-21 18:53:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-21 18:53:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:06,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:06,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:06,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-21 18:53:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-21 18:53:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:07,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-21 18:53:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-21 18:53:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:07,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-21 18:53:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-21 18:53:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:07,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-21 18:53:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-21 18:53:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:07,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:08,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-21 18:53:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-21 18:53:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:08,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:08,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:08,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-21 18:53:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-21 18:53:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:09,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:09,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:53:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 158 transitions. [2023-11-21 18:53:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-21 18:53:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:53:09,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:09,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 173 transitions. [2023-11-21 18:53:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-21 18:53:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:53:10,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:10,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 189 transitions. [2023-11-21 18:53:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2023-11-21 18:53:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:11,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:11,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 203 transitions. [2023-11-21 18:53:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2023-11-21 18:53:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:12,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:12,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 216 transitions. [2023-11-21 18:53:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 216 transitions. [2023-11-21 18:53:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:12,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:12,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 227 transitions. [2023-11-21 18:53:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 227 transitions. [2023-11-21 18:53:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:13,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:13,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 151 states and 243 transitions. [2023-11-21 18:53:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 243 transitions. [2023-11-21 18:53:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:15,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 244 transitions. [2023-11-21 18:53:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 244 transitions. [2023-11-21 18:53:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:15,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 160 states and 255 transitions. [2023-11-21 18:53:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 255 transitions. [2023-11-21 18:53:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:16,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:16,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 168 states and 266 transitions. [2023-11-21 18:53:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 266 transitions. [2023-11-21 18:53:16,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:16,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:53:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 182 states and 286 transitions. [2023-11-21 18:53:18,386 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2023-11-21 18:53:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:18,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:18,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:18,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:18,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:53:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 191 states and 298 transitions. [2023-11-21 18:53:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-21 18:53:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:19,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 202 states and 325 transitions. [2023-11-21 18:53:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 325 transitions. [2023-11-21 18:53:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:20,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:20,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:20,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:20,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 337 transitions. [2023-11-21 18:53:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 337 transitions. [2023-11-21 18:53:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:20,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:20,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:20,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:20,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 210 states and 344 transitions. [2023-11-21 18:53:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 344 transitions. [2023-11-21 18:53:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:22,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:22,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:53:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 216 states and 358 transitions. [2023-11-21 18:53:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 358 transitions. [2023-11-21 18:53:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:53:23,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:23,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:23,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:23,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:53:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 223 states and 371 transitions. [2023-11-21 18:53:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 371 transitions. [2023-11-21 18:53:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:53:25,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:25,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:53:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 228 states and 384 transitions. [2023-11-21 18:53:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 384 transitions. [2023-11-21 18:53:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:53:26,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:53:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 233 states and 398 transitions. [2023-11-21 18:53:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 398 transitions. [2023-11-21 18:53:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:53:28,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:28,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:28,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 408 transitions. [2023-11-21 18:53:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2023-11-21 18:53:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:53:29,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 244 states and 421 transitions. [2023-11-21 18:53:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 421 transitions. [2023-11-21 18:53:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:53:30,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:30,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:30,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 255 states and 440 transitions. [2023-11-21 18:53:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 440 transitions. [2023-11-21 18:53:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:53:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:32,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:32,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:53:32,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 267 states and 460 transitions. [2023-11-21 18:53:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 460 transitions. [2023-11-21 18:53:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:35,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:35,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:35,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:35,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 272 states and 467 transitions. [2023-11-21 18:53:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 467 transitions. [2023-11-21 18:53:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:53:36,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:36,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:36,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:36,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 280 states and 480 transitions. [2023-11-21 18:53:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 480 transitions. [2023-11-21 18:53:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:53:37,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:37,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:37,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:37,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 287 states and 490 transitions. [2023-11-21 18:53:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 490 transitions. [2023-11-21 18:53:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:53:38,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:38,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:38,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 301 states and 512 transitions. [2023-11-21 18:53:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 512 transitions. [2023-11-21 18:53:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:53:42,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:42,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:42,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:42,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-21 18:53:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 310 states and 523 transitions. [2023-11-21 18:53:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 523 transitions. [2023-11-21 18:53:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:53:43,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:43,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:43,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:43,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 321 states and 555 transitions. [2023-11-21 18:53:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 555 transitions. [2023-11-21 18:53:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:44,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:44,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:44,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:44,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 325 states and 570 transitions. [2023-11-21 18:53:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 570 transitions. [2023-11-21 18:53:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:53:46,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:46,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:46,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:53:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 324 states and 569 transitions. [2023-11-21 18:53:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 569 transitions. [2023-11-21 18:53:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:46,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:46,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:46,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 326 states and 576 transitions. [2023-11-21 18:53:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 576 transitions. [2023-11-21 18:53:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:49,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:53:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 332 states and 591 transitions. [2023-11-21 18:53:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 591 transitions. [2023-11-21 18:53:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:50,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:50,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:50,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:53:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 339 states and 604 transitions. [2023-11-21 18:53:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 604 transitions. [2023-11-21 18:53:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:53:51,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:52,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:53:52,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:53:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 346 states and 624 transitions. [2023-11-21 18:53:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 624 transitions. [2023-11-21 18:53:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:53:55,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:56,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:56,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-21 18:53:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 354 states and 639 transitions. [2023-11-21 18:53:58,314 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 639 transitions. [2023-11-21 18:53:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:53:58,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:58,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:58,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.