./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.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_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/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_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/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_93c22a9c-5e53-482f-ae4d-6894977296c2/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 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:35,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:35,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:35,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:35,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:35,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:35,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:35,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:35,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:35,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:35,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:35,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:35,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:35,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:35,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:35,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:35,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:35,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:35,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:35,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:35,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:35,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:35,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:35,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:35,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:35,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:35,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:35,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:35,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:35,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:35,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:35,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:35,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:35,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:35,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:35,422 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_93c22a9c-5e53-482f-ae4d-6894977296c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea [2023-11-21 18:37:35,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:35,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:35,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:35,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:35,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:35,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2023-11-21 18:37:39,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:39,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:39,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2023-11-21 18:37:39,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/data/1259ed4ad/a18e8b11561e4d2a88df900b9c1dec0a/FLAGcc46e10d9 [2023-11-21 18:37:39,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/data/1259ed4ad/a18e8b11561e4d2a88df900b9c1dec0a [2023-11-21 18:37:39,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:39,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:39,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:39,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:39,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:39,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2267321f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39, skipping insertion in model container [2023-11-21 18:37:39,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:39,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:39,603 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:39,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:39,650 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:39,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39 WrapperNode [2023-11-21 18:37:39,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:39,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:39,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:39,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:39,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,711 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-11-21 18:37:39,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:39,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:39,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:39,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:39,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:39,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:39,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:39,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:39,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:39,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:39,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c22a9c-5e53-482f-ae4d-6894977296c2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:37:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:37:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:37:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:37:39,911 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:39,914 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:40,388 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:40,447 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:40,447 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:37:40,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:40 BoogieIcfgContainer [2023-11-21 18:37:40,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:40,450 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:40,450 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:40,462 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:40,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:40" (1/1) ... [2023-11-21 18:37:40,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 137 states and 147 transitions. [2023-11-21 18:37:40,535 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2023-11-21 18:37:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:37:40,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,873 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 18:37:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 139 states and 150 transitions. [2023-11-21 18:37:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2023-11-21 18:37:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:37:40,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,121 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 18:37:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 140 states and 151 transitions. [2023-11-21 18:37:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 151 transitions. [2023-11-21 18:37:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:41,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,228 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 18:37:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 141 states and 152 transitions. [2023-11-21 18:37:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-21 18:37:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:41,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,414 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 18:37:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 146 states and 160 transitions. [2023-11-21 18:37:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 160 transitions. [2023-11-21 18:37:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:41,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,801 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 18:37:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 147 states and 161 transitions. [2023-11-21 18:37:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2023-11-21 18:37:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:41,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,921 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 18:37:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 154 states and 172 transitions. [2023-11-21 18:37:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-21 18:37:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:42,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,316 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 18:37:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 155 states and 173 transitions. [2023-11-21 18:37:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2023-11-21 18:37:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:37:42,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,503 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 18:37:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 158 states and 176 transitions. [2023-11-21 18:37:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-21 18:37:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:42,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,715 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 18:37:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 159 states and 177 transitions. [2023-11-21 18:37:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2023-11-21 18:37:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:42,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:42,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:42,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:42,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:42,848 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 18:37:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 171 states and 194 transitions. [2023-11-21 18:37:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 194 transitions. [2023-11-21 18:37:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:43,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:43,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:43,379 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 18:37:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 172 states and 195 transitions. [2023-11-21 18:37:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2023-11-21 18:37:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:37:43,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:43,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:43,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:43,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:43,572 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 18:37:44,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 186 states and 215 transitions. [2023-11-21 18:37:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2023-11-21 18:37:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:44,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:44,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:44,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:44,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:44,763 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 18:37:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 237 transitions. [2023-11-21 18:37:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2023-11-21 18:37:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:46,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:46,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:46,211 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 18:37:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 242 transitions. [2023-11-21 18:37:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2023-11-21 18:37:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:46,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:46,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:46,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:46,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:46,924 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 18:37:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 205 states and 243 transitions. [2023-11-21 18:37:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 243 transitions. [2023-11-21 18:37:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:37:47,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:47,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:47,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 258 transitions. [2023-11-21 18:37:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 258 transitions. [2023-11-21 18:37:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:48,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:48,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 259 transitions. [2023-11-21 18:37:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 259 transitions. [2023-11-21 18:37:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:37:48,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:48,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:48,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 236 states and 289 transitions. [2023-11-21 18:37:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2023-11-21 18:37:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:51,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:51,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 258 states and 321 transitions. [2023-11-21 18:37:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2023-11-21 18:37:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:54,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:54,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:54,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 261 states and 326 transitions. [2023-11-21 18:37:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 326 transitions. [2023-11-21 18:37:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:37:54,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:54,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:55,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:37:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 262 states and 327 transitions. [2023-11-21 18:37:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 327 transitions. [2023-11-21 18:37:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:37:55,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:55,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:55,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:55,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:55,934 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 18:37:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 263 states and 329 transitions. [2023-11-21 18:37:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 329 transitions. [2023-11-21 18:37:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:56,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:56,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:56,156 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 18:37:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 265 states and 332 transitions. [2023-11-21 18:37:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 332 transitions. [2023-11-21 18:37:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:56,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:56,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:56,460 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 18:37:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 264 states and 331 transitions. [2023-11-21 18:37:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 331 transitions. [2023-11-21 18:37:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:56,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:56,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:56,523 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 18:37:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 263 states and 330 transitions. [2023-11-21 18:37:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 330 transitions. [2023-11-21 18:37:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:56,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:56,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:56,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:56,885 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 18:38:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 292 states and 373 transitions. [2023-11-21 18:38:01,227 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 373 transitions. [2023-11-21 18:38:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:38:01,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:01,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:01,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:01,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:01,583 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 18:38:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 321 states and 414 transitions. [2023-11-21 18:38:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 414 transitions. [2023-11-21 18:38:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:38:06,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:07,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:07,191 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 18:38:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 439 transitions. [2023-11-21 18:38:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 439 transitions. [2023-11-21 18:38:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:38:11,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:11,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:11,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:11,756 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 18:38:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 351 states and 464 transitions. [2023-11-21 18:38:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2023-11-21 18:38:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:38:16,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:16,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:16,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:16,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:38:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 364 states and 489 transitions. [2023-11-21 18:38:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 489 transitions. [2023-11-21 18:38:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:20,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:20,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:20,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:20,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:20,850 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 18:38:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:22,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 368 states and 495 transitions. [2023-11-21 18:38:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 495 transitions. [2023-11-21 18:38:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:22,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:22,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:22,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:22,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:22,385 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 18:38:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 372 states and 501 transitions. [2023-11-21 18:38:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2023-11-21 18:38:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:38:23,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:23,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:38:23,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:38:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 386 states and 527 transitions. [2023-11-21 18:38:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 527 transitions. [2023-11-21 18:38:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:38:29,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:29,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:38:29,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.