./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --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_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/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_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/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_3fa16978-4491-4544-bb63-49ca9f2e664f/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 ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:12,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:12,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:12,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:12,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:12,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:12,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:12,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:12,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:12,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:12,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:12,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:12,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:12,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:12,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:12,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:12,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:12,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:12,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:12,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:12,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:12,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:12,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:12,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:12,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:12,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:12,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:12,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:12,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:12,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:12,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:12,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:12,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:12,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:12,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:12,599 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_3fa16978-4491-4544-bb63-49ca9f2e664f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2023-11-21 18:36:12,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:12,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:12,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:12,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:12,934 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:12,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2023-11-21 18:36:16,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:16,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:16,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2023-11-21 18:36:16,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/data/c315cb451/b5db924bccd2491b817ffa6ad0d030c3/FLAG20db48f6a [2023-11-21 18:36:16,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/data/c315cb451/b5db924bccd2491b817ffa6ad0d030c3 [2023-11-21 18:36:16,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:16,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:16,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:16,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:16,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:16,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fff2d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16, skipping insertion in model container [2023-11-21 18:36:16,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,393 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:16,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:16,749 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:16,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:16,879 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:16,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16 WrapperNode [2023-11-21 18:36:16,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:16,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:16,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:16,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:16,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,934 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2023-11-21 18:36:16,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:16,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:16,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:16,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:16,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:16,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:16,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:16,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:16,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:16,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:16" (1/1) ... [2023-11-21 18:36:17,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:17,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:17,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa16978-4491-4544-bb63-49ca9f2e664f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:36:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:36:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:36:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:17,211 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:17,213 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:17,467 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:17,637 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:17,637 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:36:17,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:17 BoogieIcfgContainer [2023-11-21 18:36:17,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:17,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:17,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:17,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:17,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:17" (1/1) ... [2023-11-21 18:36:17,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-21 18:36:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-21 18:36:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:36:17,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,066 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 18:36:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-21 18:36:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-21 18:36:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:36:18,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,229 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 18:36:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2023-11-21 18:36:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-21 18:36:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:36:18,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,301 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 18:36:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:36:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:36:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:36:18,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,453 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 18:36:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-21 18:36:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-21 18:36:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:36:18,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,613 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 18:36:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-21 18:36:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-21 18:36:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:18,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,873 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 18:36:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2023-11-21 18:36:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-21 18:36:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:19,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,472 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 18:36:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2023-11-21 18:36:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-11-21 18:36:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:20,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,660 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 18:36:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-11-21 18:36:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-11-21 18:36:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:21,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:21,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:36:21,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:21,815 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 18:36:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2023-11-21 18:36:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-21 18:36:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:22,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2023-11-21 18:36:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2023-11-21 18:36:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:22,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:22,884 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 18:36:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-21 18:36:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-21 18:36:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:22,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:22,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2023-11-21 18:36:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-21 18:36:23,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:23,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:23,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2023-11-21 18:36:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-21 18:36:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:24,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:24,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2023-11-21 18:36:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-21 18:36:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:25,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-21 18:36:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-21 18:36:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:36:25,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2023-11-21 18:36:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2023-11-21 18:36:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:26,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:36:26,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:27,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2023-11-21 18:36:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2023-11-21 18:36:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:27,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:36:27,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 144 transitions. [2023-11-21 18:36:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2023-11-21 18:36:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:29,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 99 states and 150 transitions. [2023-11-21 18:36:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2023-11-21 18:36:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:30,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 99 states and 147 transitions. [2023-11-21 18:36:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2023-11-21 18:36:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:31,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2023-11-21 18:36:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2023-11-21 18:36:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:32,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 106 states and 157 transitions. [2023-11-21 18:36:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-21 18:36:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:34,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:34,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:34,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:34,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2023-11-21 18:36:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2023-11-21 18:36:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:35,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:35,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:35,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:36:35,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 114 states and 175 transitions. [2023-11-21 18:36:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2023-11-21 18:36:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:36,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:36,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:36:36,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 120 states and 181 transitions. [2023-11-21 18:36:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 181 transitions. [2023-11-21 18:36:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:38,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:38,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:38,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:38,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2023-11-21 18:36:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-11-21 18:36:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:40,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2023-11-21 18:36:41,672 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2023-11-21 18:36:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:41,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 131 states and 211 transitions. [2023-11-21 18:36:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2023-11-21 18:36:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:43,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:43,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:36:44,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 217 transitions. [2023-11-21 18:36:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 217 transitions. [2023-11-21 18:36:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:46,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 141 states and 222 transitions. [2023-11-21 18:36:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2023-11-21 18:36:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:47,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:36:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 141 states and 217 transitions. [2023-11-21 18:36:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 217 transitions. [2023-11-21 18:36:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:48,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:48,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:36:48,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2023-11-21 18:36:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2023-11-21 18:36:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:49,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:49,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:36:49,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 143 states and 227 transitions. [2023-11-21 18:36:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 227 transitions. [2023-11-21 18:36:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:50,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:51,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 145 states and 230 transitions. [2023-11-21 18:36:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-21 18:36:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:52,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:36:52,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 151 states and 241 transitions. [2023-11-21 18:36:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 241 transitions. [2023-11-21 18:36:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:55,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:56,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:56,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 153 states and 242 transitions. [2023-11-21 18:36:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 242 transitions. [2023-11-21 18:36:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:36:57,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:57,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:36:57,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 159 states and 248 transitions. [2023-11-21 18:37:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2023-11-21 18:37:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:01,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:37:01,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:37:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 159 states and 247 transitions. [2023-11-21 18:37:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2023-11-21 18:37:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:02,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.