./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/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_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/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_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/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 a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:35,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:36,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:36,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:36,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:36,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:36,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:36,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:36,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:36,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:36,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:36,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:36,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:36,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:36,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:36,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:36,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:36,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:36,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:36,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:36,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:36,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:36,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:36,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:36,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:36,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:36,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:36,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:36,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:36,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:36,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:36,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:36,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:36,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:36,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:36,094 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_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f [2023-11-21 18:48:36,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:36,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:36,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:36,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:36,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:36,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2023-11-21 18:48:39,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:39,970 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:39,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2023-11-21 18:48:40,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/data/765a95b9b/1cfe261745c240a88eea1e34b1ae7f8e/FLAGec4350fe5 [2023-11-21 18:48:40,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/data/765a95b9b/1cfe261745c240a88eea1e34b1ae7f8e [2023-11-21 18:48:40,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:40,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:40,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:40,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:40,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:40,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73683dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40, skipping insertion in model container [2023-11-21 18:48:40,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:40,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:40,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:40,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:40,386 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:40,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40 WrapperNode [2023-11-21 18:48:40,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:40,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:40,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:40,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:40,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,440 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-21 18:48:40,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:40,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:40,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:40,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:40,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:40,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:40,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:40,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:40,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:40" (1/1) ... [2023-11-21 18:48:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:40,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:40,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:40,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4684df2d-a8c8-4c21-9c8a-3e9e67727a4c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:40,655 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:40,658 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:41,006 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:41,075 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:41,086 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:48:41,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:41 BoogieIcfgContainer [2023-11-21 18:48:41,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:41,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:41,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:41,104 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:41,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-21 18:48:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-21 18:48:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:48:41,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:41,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:48:41,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:41,545 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 18:48:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-21 18:48:41,596 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-21 18:48:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:41,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:41,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:41,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:41,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:48:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-21 18:48:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-21 18:48:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:41,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:41,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:41,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:41,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:48:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:48:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:48:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:48:42,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:42,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:42,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:42,164 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 18:48:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 95 transitions. [2023-11-21 18:48:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-21 18:48:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:48:42,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:42,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:42,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:42,368 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 18:48:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 105 transitions. [2023-11-21 18:48:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:48:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:48:42,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:42,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:42,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:42,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:42,668 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 18:48:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 113 transitions. [2023-11-21 18:48:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-21 18:48:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:48:43,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:43,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:43,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:43,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:43,117 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 18:48:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 114 transitions. [2023-11-21 18:48:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-21 18:48:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:48:43,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:43,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:43,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:43,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:43,236 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 18:48:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 125 transitions. [2023-11-21 18:48:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-21 18:48:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:43,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:43,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:43,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:43,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:43,851 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 18:48:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 138 transitions. [2023-11-21 18:48:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-21 18:48:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:44,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:44,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:44,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:44,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:44,517 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 18:48:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 149 transitions. [2023-11-21 18:48:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2023-11-21 18:48:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:48:44,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:45,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:45,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:45,150 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 18:48:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 158 transitions. [2023-11-21 18:48:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-21 18:48:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:48:45,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:45,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:45,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:45,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:48:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 171 transitions. [2023-11-21 18:48:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-21 18:48:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:48:46,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:46,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:46,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:46,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:48:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 185 transitions. [2023-11-21 18:48:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-21 18:48:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:48:47,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:47,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:47,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:48:47,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:48:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 199 transitions. [2023-11-21 18:48:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-21 18:48:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:48:49,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:49,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:48:49,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:48:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 212 transitions. [2023-11-21 18:48:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-21 18:48:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:48:51,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:51,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:48:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 222 transitions. [2023-11-21 18:48:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-21 18:48:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:48:52,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:52,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:52,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:52,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:48:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 238 transitions. [2023-11-21 18:48:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2023-11-21 18:48:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:48:53,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:53,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:53,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:53,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:48:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 239 transitions. [2023-11-21 18:48:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-21 18:48:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:48:53,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:53,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:53,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:48:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 251 transitions. [2023-11-21 18:48:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2023-11-21 18:48:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:48:54,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:54,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:54,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:54,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:48:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 173 states and 261 transitions. [2023-11-21 18:48:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-21 18:48:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:48:55,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:55,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:55,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:48:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 182 states and 273 transitions. [2023-11-21 18:48:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-21 18:48:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:48:55,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:55,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:55,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:48:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 193 states and 300 transitions. [2023-11-21 18:48:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-21 18:48:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:48:57,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:57,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:48:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 202 states and 311 transitions. [2023-11-21 18:48:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 311 transitions. [2023-11-21 18:48:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:48:58,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:58,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:48:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 203 states and 312 transitions. [2023-11-21 18:48:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 312 transitions. [2023-11-21 18:48:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:48:58,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:59,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:48:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 207 states and 321 transitions. [2023-11-21 18:48:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2023-11-21 18:48:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:48:59,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:59,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:01,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 207 states and 320 transitions. [2023-11-21 18:49:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 320 transitions. [2023-11-21 18:49:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:01,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 213 states and 334 transitions. [2023-11-21 18:49:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 334 transitions. [2023-11-21 18:49:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:03,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 215 states and 339 transitions. [2023-11-21 18:49:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2023-11-21 18:49:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:49:03,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 219 states and 347 transitions. [2023-11-21 18:49:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 347 transitions. [2023-11-21 18:49:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:04,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:04,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:49:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 221 states and 350 transitions. [2023-11-21 18:49:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 350 transitions. [2023-11-21 18:49:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:49:06,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:06,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:06,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:07,477 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:49:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 227 states and 363 transitions. [2023-11-21 18:49:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2023-11-21 18:49:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:49:11,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:49:11,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:49:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 232 states and 376 transitions. [2023-11-21 18:49:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2023-11-21 18:49:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:49:13,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:16,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 401 transitions. [2023-11-21 18:49:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 401 transitions. [2023-11-21 18:49:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:49:16,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:16,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:16,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:16,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 257 states and 420 transitions. [2023-11-21 18:49:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 420 transitions. [2023-11-21 18:49:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:49:19,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:19,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 270 states and 441 transitions. [2023-11-21 18:49:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 441 transitions. [2023-11-21 18:49:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:49:22,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:22,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:22,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:22,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:49:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 278 states and 450 transitions. [2023-11-21 18:49:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 450 transitions. [2023-11-21 18:49:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:49:23,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:23,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:23,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:49:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 292 states and 473 transitions. [2023-11-21 18:49:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 473 transitions. [2023-11-21 18:49:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:49:26,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:27,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:27,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:49:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 303 states and 502 transitions. [2023-11-21 18:49:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 502 transitions. [2023-11-21 18:49:28,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:49:28,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:28,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:28,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-21 18:49:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 312 states and 513 transitions. [2023-11-21 18:49:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 513 transitions. [2023-11-21 18:49:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:49:30,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:30,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:30,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:30,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:49:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 316 states and 523 transitions. [2023-11-21 18:49:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 523 transitions. [2023-11-21 18:49:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:49:31,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.