./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.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_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/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_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/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_b394a3e2-acce-4f47-a798-1b8892caaad0/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 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:31,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:31,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:31,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:31,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:31,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:31,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:31,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:31,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:31,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:31,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:31,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:31,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:31,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:31,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:31,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:31,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:31,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:31,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:31,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:31,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:31,324 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:31,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:31,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:31,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:31,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:31,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:31,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:31,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:31,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:31,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:31,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:31,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:31,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:31,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:31,330 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_b394a3e2-acce-4f47-a798-1b8892caaad0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2023-11-21 18:39:31,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:31,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:31,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:31,646 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:31,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:31,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-21 18:39:34,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:35,126 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:35,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-21 18:39:35,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/data/6978c62b2/74e2fba69a4942f3904266ab61c556f7/FLAG0fd55265c [2023-11-21 18:39:35,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/data/6978c62b2/74e2fba69a4942f3904266ab61c556f7 [2023-11-21 18:39:35,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:35,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:35,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:35,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:35,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:35,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f9e14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35, skipping insertion in model container [2023-11-21 18:39:35,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:35,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:35,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:35,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:35,453 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:35,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35 WrapperNode [2023-11-21 18:39:35,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:35,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:35,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:35,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:35,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,523 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-21 18:39:35,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:35,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:35,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:35,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:35,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:35,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:35,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:35,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:35,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:35" (1/1) ... [2023-11-21 18:39:35,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:35,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:35,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:35,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b394a3e2-acce-4f47-a798-1b8892caaad0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:35,721 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:35,724 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:36,073 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:36,113 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:36,113 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:36,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:36 BoogieIcfgContainer [2023-11-21 18:39:36,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:36,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:36,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:36,128 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:36,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:36" (1/1) ... [2023-11-21 18:39:36,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:36,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:39:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:39:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:39:36,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:39:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:39:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:36,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:39:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:39:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:36,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:39:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:39:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:36,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,023 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 18:39:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:39:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:39:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:39:37,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,437 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 18:39:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-21 18:39:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-21 18:39:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:39:37,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,634 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 18:39:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-21 18:39:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-21 18:39:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:38,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:38,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:38,206 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 18:39:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-21 18:39:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-21 18:39:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:38,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:39,007 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 18:39:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-21 18:39:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-21 18:39:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:39,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:39,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:39,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:39,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:40,168 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 18:39:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-21 18:39:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-21 18:39:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:41,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:41,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:41,300 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 18:39:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-21 18:39:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-21 18:39:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:39:41,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:41,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:41,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:41,952 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 18:39:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-21 18:39:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-21 18:39:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:39:42,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:42,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:42,798 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 18:39:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-21 18:39:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-21 18:39:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:39:42,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:42,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:42,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:42,961 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 18:39:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-21 18:39:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-21 18:39:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:39:44,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,655 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 18:39:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-21 18:39:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-21 18:39:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:39:44,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:44,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:44,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:39:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2023-11-21 18:39:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2023-11-21 18:39:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:39:45,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:45,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:45,782 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 18:39:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2023-11-21 18:39:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2023-11-21 18:39:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:39:48,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:48,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:48,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:39:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2023-11-21 18:39:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2023-11-21 18:39:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:39:49,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:49,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:49,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:50,164 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 18:39:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2023-11-21 18:39:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2023-11-21 18:39:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:39:51,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:52,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:52,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:39:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 191 states and 356 transitions. [2023-11-21 18:39:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 356 transitions. [2023-11-21 18:39:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:39:53,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:53,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:53,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:54,000 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 18:39:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 201 states and 381 transitions. [2023-11-21 18:39:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 381 transitions. [2023-11-21 18:39:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:39:56,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:56,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:56,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:56,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:56,378 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 18:39:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 212 states and 407 transitions. [2023-11-21 18:39:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 407 transitions. [2023-11-21 18:39:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:39:59,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:59,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:59,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 223 states and 435 transitions. [2023-11-21 18:40:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 435 transitions. [2023-11-21 18:40:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:40:01,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:01,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:01,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 231 states and 462 transitions. [2023-11-21 18:40:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 462 transitions. [2023-11-21 18:40:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:04,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:04,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:04,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:04,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 238 states and 482 transitions. [2023-11-21 18:40:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 482 transitions. [2023-11-21 18:40:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:05,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 251 states and 512 transitions. [2023-11-21 18:40:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 512 transitions. [2023-11-21 18:40:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:09,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:09,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:10,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:10,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 252 states and 513 transitions. [2023-11-21 18:40:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 513 transitions. [2023-11-21 18:40:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:10,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:10,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:10,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:10,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 260 states and 533 transitions. [2023-11-21 18:40:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 533 transitions. [2023-11-21 18:40:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:11,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:11,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:11,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:11,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:40:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 271 states and 558 transitions. [2023-11-21 18:40:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 558 transitions. [2023-11-21 18:40:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:14,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:14,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:14,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:40:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 288 states and 593 transitions. [2023-11-21 18:40:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 593 transitions. [2023-11-21 18:40:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:18,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:40:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 300 states and 679 transitions. [2023-11-21 18:40:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 679 transitions. [2023-11-21 18:40:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:22,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:22,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:22,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:40:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 314 states and 729 transitions. [2023-11-21 18:40:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 729 transitions. [2023-11-21 18:40:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:26,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:40:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 316 states and 734 transitions. [2023-11-21 18:40:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 734 transitions. [2023-11-21 18:40:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:40:26,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:26,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:26,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:26,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.