./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i --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_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/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_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/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_c595fb3c-217c-4922-8f5f-564772e31f67/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 27a1adeda78f1327efd3db595f1f2af74a09c93b7891662312ede014768aaa9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:57,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:57,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:57,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:57,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:57,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:57,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:57,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:57,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:57,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:57,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:57,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:57,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:57,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:57,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:57,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:57,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:57,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:57,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:57,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:57,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:57,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:57,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:57,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:57,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:57,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:57,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:57,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:57,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:57,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:57,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:57,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:57,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:57,640 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_c595fb3c-217c-4922-8f5f-564772e31f67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27a1adeda78f1327efd3db595f1f2af74a09c93b7891662312ede014768aaa9f [2023-11-24 23:09:57,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:58,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:58,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:58,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:58,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:58,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i [2023-11-24 23:10:01,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:01,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:01,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i [2023-11-24 23:10:01,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/data/f90db1de9/fd8db73c28594676a45c51aa9459a1b2/FLAG9987d9360 [2023-11-24 23:10:01,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/data/f90db1de9/fd8db73c28594676a45c51aa9459a1b2 [2023-11-24 23:10:01,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:01,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:01,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:01,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:01,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:01,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b5edff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:01, skipping insertion in model container [2023-11-24 23:10:01,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:01" (1/1) ... [2023-11-24 23:10:01,822 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:02,801 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_c595fb3c-217c-4922-8f5f-564772e31f67/sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i[63701,63714] [2023-11-24 23:10:03,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:03,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:03,392 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_c595fb3c-217c-4922-8f5f-564772e31f67/sv-benchmarks/c/neural-networks/cartpole_12_safe.c-amalgamation.i[63701,63714] [2023-11-24 23:10:03,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:03,909 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:03,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03 WrapperNode [2023-11-24 23:10:03,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:03,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:03,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:03,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:03,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,348 INFO L138 Inliner]: procedures = 620, calls = 4746, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 5015 [2023-11-24 23:10:04,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:04,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:04,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:04,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:04,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:04,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:04,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:04,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:04,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:03" (1/1) ... [2023-11-24 23:10:04,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:04,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:04,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:04,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595fb3c-217c-4922-8f5f-564772e31f67/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:10:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:10:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:10:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:05,007 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:05,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:13,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:17,367 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:17,367 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-24 23:10:17,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:17 BoogieIcfgContainer [2023-11-24 23:10:17,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:17,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:17,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:17,382 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:17,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:17" (1/1) ... [2023-11-24 23:10:17,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-24 23:10:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-24 23:10:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:17,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,518 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 23:10:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-24 23:10:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-24 23:10:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:10:20,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-11-24 23:10:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-11-24 23:10:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:21,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:23,581 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 23:10:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-24 23:10:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-24 23:10:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:23,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2023-11-24 23:10:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2023-11-24 23:10:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:25,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-24 23:10:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-24 23:10:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:26,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-24 23:10:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-24 23:10:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:10:28,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-24 23:10:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-24 23:10:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:29,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 23:10:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:10:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:10:31,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-24 23:10:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-24 23:10:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:10:33,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:33,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-24 23:10:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-24 23:10:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:10:34,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:34,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-24 23:10:36,856 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-24 23:10:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:10:36,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2023-11-24 23:10:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-24 23:10:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:38,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:38,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2023-11-24 23:10:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-24 23:10:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:40,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:10:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2023-11-24 23:10:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2023-11-24 23:10:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:42,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms