./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/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 e2c31a6d36722edb2a8cb670626aeeca5f235139fff7eadbabd05db5fa398d5d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:04,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:04,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:04,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:04,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:04,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:04,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:04,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:04,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:04,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:04,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:04,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:04,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:04,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:04,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:04,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:04,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:04,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:04,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:04,828 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:04,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:04,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:04,833 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:04,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:04,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:04,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:04,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:04,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:04,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:04,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:04,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:04,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:04,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:04,839 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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c31a6d36722edb2a8cb670626aeeca5f235139fff7eadbabd05db5fa398d5d [2023-11-24 23:12:05,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:05,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:05,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:05,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:05,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:05,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2023-11-24 23:12:08,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:09,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:09,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2023-11-24 23:12:09,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/data/bb63c6d6b/5ffed47d599d4dd18ec954a88d8ab5aa/FLAGf15b6841b [2023-11-24 23:12:09,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/data/bb63c6d6b/5ffed47d599d4dd18ec954a88d8ab5aa [2023-11-24 23:12:09,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:09,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:09,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:09,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:09,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:09,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea224bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09, skipping insertion in model container [2023-11-24 23:12:09,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:09,701 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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[14519,14532] [2023-11-24 23:12:09,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:09,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:09,947 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_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[14519,14532] [2023-11-24 23:12:10,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:10,038 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:10,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10 WrapperNode [2023-11-24 23:12:10,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:10,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:10,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:10,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:10,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,154 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1241 [2023-11-24 23:12:10,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:10,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:10,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:10,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:10,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:10,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:10,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:10,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:10,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:10,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:10,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:10,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986a2e5b-cb45-4f47-92c9-f58f5b2afa33/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:10,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:10,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:11,827 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:12,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:12,287 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:12:12,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:12 BoogieIcfgContainer [2023-11-24 23:12:12,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:12,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:12,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:12,304 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:12,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:12" (1/1) ... [2023-11-24 23:12:12,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 234 states and 397 transitions. [2023-11-24 23:12:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2023-11-24 23:12:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:12:12,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,348 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 23:12:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 244 states and 415 transitions. [2023-11-24 23:12:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 415 transitions. [2023-11-24 23:12:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:14,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,884 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 23:12:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 290 states and 506 transitions. [2023-11-24 23:12:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 506 transitions. [2023-11-24 23:12:15,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:15,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:15,416 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 23:12:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 288 states and 501 transitions. [2023-11-24 23:12:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 501 transitions. [2023-11-24 23:12:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:15,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:15,685 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 23:12:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 334 states and 593 transitions. [2023-11-24 23:12:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 593 transitions. [2023-11-24 23:12:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:16,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,282 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 23:12:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 333 states and 589 transitions. [2023-11-24 23:12:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 589 transitions. [2023-11-24 23:12:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:16,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:16,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,520 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 23:12:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 380 states and 683 transitions. [2023-11-24 23:12:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 683 transitions. [2023-11-24 23:12:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:17,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,421 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 23:12:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 378 states and 677 transitions. [2023-11-24 23:12:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 677 transitions. [2023-11-24 23:12:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:17,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,811 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 23:12:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 425 states and 770 transitions. [2023-11-24 23:12:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 770 transitions. [2023-11-24 23:12:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:18,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:18,639 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 23:12:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 423 states and 763 transitions. [2023-11-24 23:12:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 763 transitions. [2023-11-24 23:12:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:18,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:18,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:18,924 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 23:12:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 469 states and 851 transitions. [2023-11-24 23:12:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 851 transitions. [2023-11-24 23:12:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:12:19,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:19,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:19,946 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 23:12:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 458 states and 831 transitions. [2023-11-24 23:12:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 831 transitions. [2023-11-24 23:12:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:20,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:20,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:20,178 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 23:12:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 461 states and 836 transitions. [2023-11-24 23:12:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 836 transitions. [2023-11-24 23:12:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:20,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:20,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:20,963 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 23:12:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 508 states and 927 transitions. [2023-11-24 23:12:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 927 transitions. [2023-11-24 23:12:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:24,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:24,248 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 23:12:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 509 states and 927 transitions. [2023-11-24 23:12:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 927 transitions. [2023-11-24 23:12:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:24,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:25,693 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 23:12:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 521 states and 948 transitions. [2023-11-24 23:12:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 948 transitions. [2023-11-24 23:12:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:29,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:29,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:29,661 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 23:12:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 569 states and 1043 transitions. [2023-11-24 23:12:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1043 transitions. [2023-11-24 23:12:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:31,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:31,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:31,532 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 23:12:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 577 states and 1058 transitions. [2023-11-24 23:12:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1058 transitions. [2023-11-24 23:12:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:32,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:32,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:32,917 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 23:12:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 580 states and 1063 transitions. [2023-11-24 23:12:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1063 transitions. [2023-11-24 23:12:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:33,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:33,995 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 23:12:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 627 states and 1155 transitions. [2023-11-24 23:12:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1155 transitions. [2023-11-24 23:12:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:41,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:41,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,061 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 23:12:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 628 states and 1155 transitions. [2023-11-24 23:12:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1155 transitions. [2023-11-24 23:12:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:42,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,323 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 23:12:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 630 states and 1158 transitions. [2023-11-24 23:12:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1158 transitions. [2023-11-24 23:12:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:54,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:54,362 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 23:12:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 674 states and 1244 transitions. [2023-11-24 23:12:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1244 transitions. [2023-11-24 23:12:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 23:12:56,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.