./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/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_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/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_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:27,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:27,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:27,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:27,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:27,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:27,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:27,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:27,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:27,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:27,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:27,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:27,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:27,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:27,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:27,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:27,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:27,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:27,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:27,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:27,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:27,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:27,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:27,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:27,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:27,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:27,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:27,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:27,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:27,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:27,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:27,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:27,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:27,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:27,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:27,456 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_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2023-11-21 18:39:27,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:27,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:27,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:27,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:27,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:27,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-21 18:39:30,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:31,179 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:31,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2023-11-21 18:39:31,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/data/1a4edcfc5/7887aaf76ce34c0e81c4114dc4d56ee7/FLAGc763cd5e3 [2023-11-21 18:39:31,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/data/1a4edcfc5/7887aaf76ce34c0e81c4114dc4d56ee7 [2023-11-21 18:39:31,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:31,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:31,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:31,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:31,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:31,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff456d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31, skipping insertion in model container [2023-11-21 18:39:31,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:31,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:31,428 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:31,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:31,464 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:31,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31 WrapperNode [2023-11-21 18:39:31,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:31,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:31,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:31,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:31,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,505 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-21 18:39:31,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:31,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:31,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:31,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:31,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:31,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:31,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:31,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:31,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:31" (1/1) ... [2023-11-21 18:39:31,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:31,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:31,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0bc06b-9ecd-487c-85a8-deea9a69fa7e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:31,725 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:31,729 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:32,040 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:32,128 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:32,129 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:32,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:32 BoogieIcfgContainer [2023-11-21 18:39:32,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:32,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:32,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:32,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:32,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:32" (1/1) ... [2023-11-21 18:39:32,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-21 18:39:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-21 18:39:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:39:32,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,482 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 18:39:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-21 18:39:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-21 18:39:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:39:32,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,641 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 18:39:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-21 18:39:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-21 18:39:32,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:32,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:32,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:32,766 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 18:39:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-21 18:39:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-21 18:39:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:32,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:32,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:32,862 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 18:39:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:33,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-21 18:39:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-21 18:39:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:33,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:33,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:33,154 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 18:39:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-21 18:39:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-21 18:39:33,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:39:33,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:33,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:33,235 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 18:39:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2023-11-21 18:39:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2023-11-21 18:39:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:33,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:33,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:33,746 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 18:39:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-21 18:39:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-21 18:39:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:39:33,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:33,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:33,898 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 18:39:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2023-11-21 18:39:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2023-11-21 18:39:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:39:34,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:34,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:34,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:34,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:34,736 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 18:39:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2023-11-21 18:39:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2023-11-21 18:39:35,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:39:35,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:35,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:35,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:35,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:35,650 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 18:39:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2023-11-21 18:39:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2023-11-21 18:39:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:35,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:35,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:35,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:35,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:35,806 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 18:39:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:39:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:39:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:35,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:36,015 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 18:39:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2023-11-21 18:39:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2023-11-21 18:39:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:36,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:36,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:36,208 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 18:39:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 147 states and 212 transitions. [2023-11-21 18:39:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 212 transitions. [2023-11-21 18:39:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:39:37,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:37,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:37,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:37,352 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 18:39:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 152 states and 221 transitions. [2023-11-21 18:39:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 221 transitions. [2023-11-21 18:39:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:39:38,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:38,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:38,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:38,288 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 18:39:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 166 states and 267 transitions. [2023-11-21 18:39:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 267 transitions. [2023-11-21 18:39:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:39:39,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:39,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:39,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:39,760 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 18:39:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 170 states and 273 transitions. [2023-11-21 18:39:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 273 transitions. [2023-11-21 18:39:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:39:40,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:40,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:40,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:40,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:40,847 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 18:39:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 171 states and 274 transitions. [2023-11-21 18:39:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2023-11-21 18:39:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:39:40,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:40,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:40,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:39:40,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:41,065 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 18:39:43,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 189 states and 305 transitions. [2023-11-21 18:39:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 305 transitions. [2023-11-21 18:39:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:39:43,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:43,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:39:43,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:43,950 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 18:39:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 197 states and 323 transitions. [2023-11-21 18:39:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 323 transitions. [2023-11-21 18:39:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:39:45,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:45,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:45,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:45,400 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 18:39:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 340 transitions. [2023-11-21 18:39:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2023-11-21 18:39:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:39:46,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:46,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:46,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:47,124 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 18:39:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 214 states and 358 transitions. [2023-11-21 18:39:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 358 transitions. [2023-11-21 18:39:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:39:49,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:49,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:49,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:49,290 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 18:39:51,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 224 states and 377 transitions. [2023-11-21 18:39:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 377 transitions. [2023-11-21 18:39:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:39:51,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:51,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:51,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:39:51,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:51,294 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 18:39:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 235 states and 397 transitions. [2023-11-21 18:39:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 397 transitions. [2023-11-21 18:39:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:39:53,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:53,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:39:53,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:53,599 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 18:39:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 249 states and 431 transitions. [2023-11-21 18:39:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 431 transitions. [2023-11-21 18:39:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:39:57,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:39:57,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:57,712 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 18:40:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 264 states and 466 transitions. [2023-11-21 18:40:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 466 transitions. [2023-11-21 18:40:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:40:01,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:01,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:01,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:01,981 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 18:40:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 276 states and 497 transitions. [2023-11-21 18:40:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 497 transitions. [2023-11-21 18:40:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:40:05,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:05,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:05,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:05,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:05,382 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 18:40:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 293 states and 538 transitions. [2023-11-21 18:40:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 538 transitions. [2023-11-21 18:40:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:40:10,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:10,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:10,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:10,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:11,120 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 18:40:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 311 states and 577 transitions. [2023-11-21 18:40:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 577 transitions. [2023-11-21 18:40:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:40:16,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:16,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:16,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:40:16,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:16,795 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 18:40:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 313 states and 583 transitions. [2023-11-21 18:40:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 583 transitions. [2023-11-21 18:40:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:40:17,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:17,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:17,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:17,768 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 18:40:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 326 states and 614 transitions. [2023-11-21 18:40:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 614 transitions. [2023-11-21 18:40:20,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:40:20,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:20,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:20,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:20,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.