./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL --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 742f5d2e7cf114f57c75e9ec70cbf1110245ef125564c2c81d93a290329b3301 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:09,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:09,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:53:09,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:09,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:09,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:09,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:09,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:09,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:09,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:09,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:09,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:09,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:09,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:09,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:09,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:09,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:09,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:09,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:09,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:09,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:09,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:09,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:09,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:09,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:09,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:09,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:09,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:09,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:09,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:09,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:09,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:09,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:09,914 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_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 742f5d2e7cf114f57c75e9ec70cbf1110245ef125564c2c81d93a290329b3301 [2023-11-19 02:53:10,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:10,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:10,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:10,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:10,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:10,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2023-11-19 02:53:13,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:13,778 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:13,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2023-11-19 02:53:13,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/data/4828497af/8e7c81f61aca4296a024a55212041e79/FLAG61b5f838a [2023-11-19 02:53:13,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/data/4828497af/8e7c81f61aca4296a024a55212041e79 [2023-11-19 02:53:13,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:13,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:13,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:13,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:13,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:13,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a703b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13, skipping insertion in model container [2023-11-19 02:53:13,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,957 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:14,360 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_998b0ee4-233e-4d29-8956-fbb642e1e18f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15866,15879] [2023-11-19 02:53:14,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:14,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:14,786 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_998b0ee4-233e-4d29-8956-fbb642e1e18f/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15866,15879] [2023-11-19 02:53:14,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:14,905 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:14,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14 WrapperNode [2023-11-19 02:53:14,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:14,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:14,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:14,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:14,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:14,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,037 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1364 [2023-11-19 02:53:15,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:15,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:15,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:15,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:15,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:15,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:15,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:15,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:15,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:14" (1/1) ... [2023-11-19 02:53:15,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:15,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:15,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998b0ee4-233e-4d29-8956-fbb642e1e18f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:15,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:15,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:16,903 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:17,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:17,528 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:17,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:17 BoogieIcfgContainer [2023-11-19 02:53:17,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:17,548 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:17,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:17,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:17,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:17" (1/1) ... [2023-11-19 02:53:17,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 258 states and 443 transitions. [2023-11-19 02:53:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 443 transitions. [2023-11-19 02:53:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 02:53:17,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 264 states and 456 transitions. [2023-11-19 02:53:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 456 transitions. [2023-11-19 02:53:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 02:53:20,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:20,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 266 states and 459 transitions. [2023-11-19 02:53:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 459 transitions. [2023-11-19 02:53:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 02:53:20,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:20,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 273 states and 474 transitions. [2023-11-19 02:53:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 474 transitions. [2023-11-19 02:53:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 02:53:21,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:21,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 274 states and 475 transitions. [2023-11-19 02:53:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 475 transitions. [2023-11-19 02:53:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 02:53:21,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 274 states and 473 transitions. [2023-11-19 02:53:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 473 transitions. [2023-11-19 02:53:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:21,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 322 states and 577 transitions. [2023-11-19 02:53:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 577 transitions. [2023-11-19 02:53:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:22,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 320 states and 571 transitions. [2023-11-19 02:53:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 571 transitions. [2023-11-19 02:53:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:22,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:22,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 368 states and 673 transitions. [2023-11-19 02:53:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 673 transitions. [2023-11-19 02:53:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:23,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 366 states and 668 transitions. [2023-11-19 02:53:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 668 transitions. [2023-11-19 02:53:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:23,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 413 states and 768 transitions. [2023-11-19 02:53:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 768 transitions. [2023-11-19 02:53:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:24,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 412 states and 763 transitions. [2023-11-19 02:53:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 763 transitions. [2023-11-19 02:53:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:25,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 460 states and 863 transitions. [2023-11-19 02:53:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 863 transitions. [2023-11-19 02:53:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:53:26,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 457 states and 855 transitions. [2023-11-19 02:53:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 855 transitions. [2023-11-19 02:53:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:26,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 461 states and 862 transitions. [2023-11-19 02:53:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 862 transitions. [2023-11-19 02:53:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:27,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 476 states and 899 transitions. [2023-11-19 02:53:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 899 transitions. [2023-11-19 02:53:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:28,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 479 states and 904 transitions. [2023-11-19 02:53:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 904 transitions. [2023-11-19 02:53:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:34,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:34,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 493 states and 939 transitions. [2023-11-19 02:53:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 939 transitions. [2023-11-19 02:53:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:46,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 494 states and 939 transitions. [2023-11-19 02:53:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 939 transitions. [2023-11-19 02:53:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:47,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 498 states and 946 transitions. [2023-11-19 02:53:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 946 transitions. [2023-11-19 02:53:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:48,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:48,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 499 states and 946 transitions. [2023-11-19 02:53:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 946 transitions. [2023-11-19 02:53:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:49,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 508 states and 962 transitions. [2023-11-19 02:53:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 962 transitions. [2023-11-19 02:53:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:50,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 521 states and 987 transitions. [2023-11-19 02:53:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 987 transitions. [2023-11-19 02:53:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:53:52,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:52,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.