./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/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 f7497e4203b86f15acb74ef94ae3bce6255aa8233294110bb99f24cde0725dc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:03:25,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:03:25,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:03:25,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:03:25,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:03:25,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:03:25,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:03:25,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:03:25,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:03:25,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:03:25,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:03:25,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:03:25,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:03:25,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:03:25,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:03:25,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:03:25,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:03:25,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:03:25,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:03:25,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:03:25,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:03:25,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:03:25,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:03:25,297 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:03:25,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:03:25,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:03:25,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:25,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:03:25,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:03:25,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:03:25,300 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:03:25,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:03:25,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:03:25,301 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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7497e4203b86f15acb74ef94ae3bce6255aa8233294110bb99f24cde0725dc7 [2023-12-03 03:03:25,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:03:25,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:03:25,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:03:25,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:03:25,535 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:03:25,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c [2023-12-03 03:03:28,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:03:28,437 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:03:28,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c [2023-12-03 03:03:28,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/data/1908ce850/c5391fe6b9c44c2a887814117966bf7b/FLAG3b1500511 [2023-12-03 03:03:28,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/data/1908ce850/c5391fe6b9c44c2a887814117966bf7b [2023-12-03 03:03:28,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:03:28,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:03:28,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:28,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:03:28,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:03:28,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa5785d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28, skipping insertion in model container [2023-12-03 03:03:28,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:03:28,670 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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c[11233,11246] [2023-12-03 03:03:28,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:28,683 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:03:28,733 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_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c[11233,11246] [2023-12-03 03:03:28,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:28,749 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:03:28,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28 WrapperNode [2023-12-03 03:03:28,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:28,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:28,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:03:28,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:03:28,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,795 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 333 [2023-12-03 03:03:28,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:28,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:03:28,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:03:28,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:03:28,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:03:28,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:03:28,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:03:28,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:03:28,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:28" (1/1) ... [2023-12-03 03:03:28,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:03:28,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:03:28,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d38a6f2-d51a-47ba-9115-cefabe68f7a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:03:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:03:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:03:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:03:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:03:28,980 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:03:28,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:03:29,331 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:03:29,835 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:03:29,835 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:03:29,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:29 BoogieIcfgContainer [2023-12-03 03:03:29,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:03:29,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:03:29,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:03:29,848 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:03:29,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:29" (1/1) ... [2023-12-03 03:03:29,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:03:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 03:03:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 03:03:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:03:29,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-12-03 03:03:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-12-03 03:03:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:03:31,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:31,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-12-03 03:03:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-12-03 03:03:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:03:31,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:31,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-12-03 03:03:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-12-03 03:03:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:03:32,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:32,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-12-03 03:03:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-12-03 03:03:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:03:33,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2023-12-03 03:03:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2023-12-03 03:03:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:03:42,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-12-03 03:03:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-12-03 03:03:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:03:55,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:55,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:03:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:03:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2023-12-03 03:04:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-12-03 03:04:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:04:01,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:01,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2023-12-03 03:04:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2023-12-03 03:04:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:04:15,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 76 states and 160 transitions. [2023-12-03 03:04:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 160 transitions. [2023-12-03 03:04:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:04:26,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 93 states and 216 transitions. [2023-12-03 03:04:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 216 transitions. [2023-12-03 03:04:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:04:43,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:43,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 101 states and 245 transitions. [2023-12-03 03:04:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 245 transitions. [2023-12-03 03:04:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:04:49,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 112 states and 283 transitions. [2023-12-03 03:05:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 283 transitions. [2023-12-03 03:05:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:03,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 119 states and 306 transitions. [2023-12-03 03:05:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 306 transitions. [2023-12-03 03:05:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:10,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 121 states and 311 transitions. [2023-12-03 03:05:11,980 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 311 transitions. [2023-12-03 03:05:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:11,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:11,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 122 states and 318 transitions. [2023-12-03 03:05:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 318 transitions. [2023-12-03 03:05:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:13,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 127 states and 332 transitions. [2023-12-03 03:05:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 332 transitions. [2023-12-03 03:05:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:17,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 128 states and 338 transitions. [2023-12-03 03:05:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 338 transitions. [2023-12-03 03:05:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:21,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 129 states and 344 transitions. [2023-12-03 03:05:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 344 transitions. [2023-12-03 03:05:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:05:26,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 130 states and 349 transitions. [2023-12-03 03:05:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 349 transitions. [2023-12-03 03:05:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:05:27,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:05:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:06:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 155 states and 437 transitions. [2023-12-03 03:08:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 437 transitions. [2023-12-03 03:08:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:08:30,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:30,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:09:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:11:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:11:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 180 states and 534 transitions. [2023-12-03 03:11:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 534 transitions. [2023-12-03 03:11:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:11:44,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:11:44,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:11:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 205 states and 639 transitions. [2023-12-03 03:15:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 639 transitions. [2023-12-03 03:15:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:15:24,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:24,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.