./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/conda.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/conda.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4382625030c70271d5cb32641146c4ec68928c0500a545b71e51fae395fc6041 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:04,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:04,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:04,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:04,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:04,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:04,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:04,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:04,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:04,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:04,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:04,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:04,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:04,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:04,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:04,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:04,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:04,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:04,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:04,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:04,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:04,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:04,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:04,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:04,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:04,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:04,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:04,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:04,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:04,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:04,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:04,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:04,303 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_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4382625030c70271d5cb32641146c4ec68928c0500a545b71e51fae395fc6041 [2023-11-24 22:51:04,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:04,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:04,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:04,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:04,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:04,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/conda.c [2023-11-24 22:51:07,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:08,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:08,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/sv-benchmarks/c/array-fpi/conda.c [2023-11-24 22:51:08,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/data/bbcb512e9/b15b951db2404c70be1c922d36309c77/FLAG629bf6e5a [2023-11-24 22:51:08,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/data/bbcb512e9/b15b951db2404c70be1c922d36309c77 [2023-11-24 22:51:08,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:08,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:08,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:08,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:08,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:08,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58318447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08, skipping insertion in model container [2023-11-24 22:51:08,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:08,213 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/sv-benchmarks/c/array-fpi/conda.c[588,601] [2023-11-24 22:51:08,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:08,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:08,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/sv-benchmarks/c/array-fpi/conda.c[588,601] [2023-11-24 22:51:08,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:08,285 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:08,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08 WrapperNode [2023-11-24 22:51:08,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:08,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:08,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:08,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:08,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,332 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-24 22:51:08,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:08,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:08,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:08,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:08,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:08,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:08,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:08,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:08,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:08,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:08,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:08,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_828b5009-b7b0-4e00-93de-fbbb4cfb4db8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:08,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:08,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:08,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:08,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:08,783 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:51:08,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:08 BoogieIcfgContainer [2023-11-24 22:51:08,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:08,786 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:08,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:08,797 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:08,798 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:08" (1/1) ... [2023-11-24 22:51:08,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:51:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:51:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:08,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:51:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:51:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:09,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:09,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:51:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:51:09,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:51:09,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:09,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 22:51:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 22:51:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:51:09,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:09,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 42 transitions. [2023-11-24 22:51:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 42 transitions. [2023-11-24 22:51:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:51:12,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:12,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 24 states and 52 transitions. [2023-11-24 22:51:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 52 transitions. [2023-11-24 22:51:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:51:13,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:13,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2023-11-24 22:51:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2023-11-24 22:51:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:14,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2023-11-24 22:51:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2023-11-24 22:51:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:14,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2023-11-24 22:51:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2023-11-24 22:51:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:15,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:15,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2023-11-24 22:51:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2023-11-24 22:51:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:51:16,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 37 states and 83 transitions. [2023-11-24 22:51:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 83 transitions. [2023-11-24 22:51:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:51:20,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:20,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 41 states and 98 transitions. [2023-11-24 22:51:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 98 transitions. [2023-11-24 22:51:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:24,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:24,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 42 states and 99 transitions. [2023-11-24 22:51:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 99 transitions. [2023-11-24 22:51:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:25,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:25,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 45 states and 107 transitions. [2023-11-24 22:51:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 107 transitions. [2023-11-24 22:51:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:26,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:26,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 119 transitions. [2023-11-24 22:51:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 119 transitions. [2023-11-24 22:51:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:28,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:28,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 121 transitions. [2023-11-24 22:51:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2023-11-24 22:51:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:29,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:29,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 44 states and 103 transitions. [2023-11-24 22:51:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 103 transitions. [2023-11-24 22:51:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:31,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 49 states and 116 transitions. [2023-11-24 22:51:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 116 transitions. [2023-11-24 22:51:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:33,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 124 transitions. [2023-11-24 22:51:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 124 transitions. [2023-11-24 22:51:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:51:35,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:51:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 126 transitions. [2023-11-24 22:51:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 126 transitions. [2023-11-24 22:51:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:36,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 56 states and 134 transitions. [2023-11-24 22:51:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2023-11-24 22:51:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:42,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:42,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:51:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 132 transitions. [2023-11-24 22:51:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2023-11-24 22:51:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:43,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2023-11-24 22:51:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2023-11-24 22:51:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:51:51,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 64 states and 155 transitions. [2023-11-24 22:51:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2023-11-24 22:51:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:55,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat