./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9 --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 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:48:47,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:48:47,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:48:47,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:48:47,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:48:47,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:48:47,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:48:47,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:48:47,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:48:47,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:48:47,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:48:47,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:48:47,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:48:47,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:48:47,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:48:47,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:48:47,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:48:47,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:48:47,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:48:47,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:48:47,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:48:47,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:48:47,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:48:47,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:48:47,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:48:47,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:48:47,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:47,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:48:47,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:48:47,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:48:47,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:48:47,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:48:47,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:48:47,475 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_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 [2023-12-03 00:48:47,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:48:47,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:48:47,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:48:47,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:48:47,749 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:48:47,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2023-12-03 00:48:50,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:48:50,819 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:48:50,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2023-12-03 00:48:50,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/data/3ce3b5fad/fa9ca5984fbc480bad03bb3c2ac78b52/FLAGc5295fc16 [2023-12-03 00:48:50,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/data/3ce3b5fad/fa9ca5984fbc480bad03bb3c2ac78b52 [2023-12-03 00:48:50,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:48:50,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:48:50,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:50,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:48:50,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:48:50,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:50" (1/1) ... [2023-12-03 00:48:50,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640baf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:50, skipping insertion in model container [2023-12-03 00:48:50,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:50" (1/1) ... [2023-12-03 00:48:50,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:48:51,113 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_863da717-aa07-4b86-a3f6-5c37216666f4/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2023-12-03 00:48:51,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:51,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:48:51,381 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_863da717-aa07-4b86-a3f6-5c37216666f4/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2023-12-03 00:48:51,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:51,537 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:48:51,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51 WrapperNode [2023-12-03 00:48:51,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:51,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:51,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:48:51,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:48:51,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,678 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-03 00:48:51,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:51,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:48:51,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:48:51,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:48:51,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:48:51,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:48:51,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:48:51,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:48:51,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:51" (1/1) ... [2023-12-03 00:48:51,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:48:51,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:48:51,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_863da717-aa07-4b86-a3f6-5c37216666f4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:48:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:48:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:48:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:48:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:48:51,933 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:48:51,936 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:48:53,396 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:48:59,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:48:59,054 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:48:59,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:59 BoogieIcfgContainer [2023-12-03 00:48:59,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:48:59,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:48:59,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:48:59,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:48:59,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:59" (1/1) ... [2023-12-03 00:48:59,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:48:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 00:48:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 00:48:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:48:59,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 00:48:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 00:48:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:48:59,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:49:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-03 00:49:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-03 00:49:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:49:37,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:51:49,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:00,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2023-12-03 00:52:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2023-12-03 00:52:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:52:00,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:53:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2023-12-03 00:53:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-12-03 00:53:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:53:57,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:57,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:55:02,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:03,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:06,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:09,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2023-12-03 00:55:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2023-12-03 00:55:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:55:09,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:55:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:56:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2023-12-03 00:56:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2023-12-03 00:56:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:56:04,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:56:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2023-12-03 00:56:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2023-12-03 00:56:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:56:58,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:58,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat