./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label18.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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/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 bb0de80d702329322ba1138525805e119eabaad368233f713b8cc8797ec1c7c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:23:42,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:23:42,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:23:42,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:23:42,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:23:42,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:23:42,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:23:42,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:23:42,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:23:42,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:23:42,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:23:42,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:23:42,296 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:23:42,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:23:42,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:23:42,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:23:42,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:23:42,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:23:42,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:23:42,300 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:23:42,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:23:42,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:23:42,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:23:42,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:23:42,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:23:42,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:23:42,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:23:42,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:23:42,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:23:42,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:23:42,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:23:42,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:23:42,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:23:42,305 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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0de80d702329322ba1138525805e119eabaad368233f713b8cc8797ec1c7c4 [2023-12-02 23:23:42,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:23:42,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:23:42,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:23:42,524 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:23:42,524 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:23:42,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem07_label18.c [2023-12-02 23:23:45,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:23:46,779 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:23:46,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/sv-benchmarks/c/eca-rers2012/Problem07_label18.c [2023-12-02 23:23:46,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/data/019f4c3ba/e8117b26301944deb16eee102fbdd7f4/FLAGfb2712503 [2023-12-02 23:23:46,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/data/019f4c3ba/e8117b26301944deb16eee102fbdd7f4 [2023-12-02 23:23:46,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:23:46,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:23:46,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:23:46,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:23:46,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:23:46,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:23:46" (1/1) ... [2023-12-02 23:23:46,941 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 02.12 11:23:46, skipping insertion in model container [2023-12-02 23:23:46,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:23:46" (1/1) ... [2023-12-02 23:23:47,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:23:58,374 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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/sv-benchmarks/c/eca-rers2012/Problem07_label18.c[2769841,2769854] [2023-12-02 23:23:58,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:23:58,457 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:24:04,526 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_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/sv-benchmarks/c/eca-rers2012/Problem07_label18.c[2769841,2769854] [2023-12-02 23:24:04,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:24:05,315 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:24:05,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05 WrapperNode [2023-12-02 23:24:05,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:24:05,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:24:05,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:24:05,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:24:05,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:05,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:07,414 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-12-02 23:24:07,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:24:07,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:24:07,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:24:07,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:24:07,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:07,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:07,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:07,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:08,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:08,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:08,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:08,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:09,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:24:09,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:24:09,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:24:09,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:24:09,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:24:05" (1/1) ... [2023-12-02 23:24:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:24:09,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:24:09,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:24:09,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ad8951-ac1f-4ee1-8758-343d2ea64dfb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:24:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:24:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:24:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:24:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:24:09,403 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:24:09,405 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:24:50,348 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:24:51,189 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:24:51,190 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:24:51,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:51 BoogieIcfgContainer [2023-12-02 23:24:51,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:24:51,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:24:51,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:24:51,204 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:24:51,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:24:51" (1/1) ... [2023-12-02 23:24:51,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:24:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-02 23:24:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-02 23:24:51,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-02 23:24:51,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:24:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-02 23:26:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-02 23:26:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-02 23:26:08,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-02 23:26:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-02 23:26:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-02 23:26:35,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:35,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:26:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:26:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:26:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-02 23:26:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-02 23:26:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-02 23:26:59,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:26:59,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-02 23:27:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-02 23:27:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-02 23:27:22,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:27:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-02 23:27:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-02 23:27:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-02 23:27:48,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:48,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-02 23:28:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-02 23:28:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-02 23:28:13,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-02 23:28:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-02 23:28:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-02 23:28:36,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:36,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-02 23:28:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-02 23:28:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-02 23:28:59,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-02 23:29:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-02 23:29:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-02 23:29:22,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-02 23:29:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-02 23:29:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-02 23:29:45,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-02 23:30:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-02 23:30:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-02 23:30:16,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35512 states to 20307 states and 35512 transitions. [2023-12-02 23:30:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 20307 states and 35512 transitions. [2023-12-02 23:30:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10112 [2023-12-02 23:30:42,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35543 states to 20332 states and 35543 transitions. [2023-12-02 23:31:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 35543 transitions. [2023-12-02 23:31:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10113 [2023-12-02 23:31:10,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:10,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35547 states to 20335 states and 35547 transitions. [2023-12-02 23:31:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 20335 states and 35547 transitions. [2023-12-02 23:31:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10114 [2023-12-02 23:31:35,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35550 states to 20337 states and 35550 transitions. [2023-12-02 23:32:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 20337 states and 35550 transitions. [2023-12-02 23:32:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2023-12-02 23:32:03,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:03,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:32:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35587 states to 20367 states and 35587 transitions. [2023-12-02 23:32:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 20367 states and 35587 transitions. [2023-12-02 23:32:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2023-12-02 23:32:27,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:27,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat