./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --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 e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:32:29,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:32:29,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:32:29,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:32:29,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:32:29,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:32:29,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:32:29,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:32:29,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:32:29,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:32:29,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:32:29,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:32:29,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:32:29,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:32:29,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:32:29,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:32:29,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:32:29,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:32:29,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:32:29,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:32:29,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:32:29,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:32:29,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:32:29,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:32:29,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:32:29,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:32:29,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:32:29,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:32:29,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:32:29,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:32:29,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:32:29,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:32:29,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:32:29,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:32:29,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:32:29,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:32:29,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:32:29,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:32:29,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:32:29,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:32:29,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:32:29,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:32:29,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:32:29,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:32:29,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:32:29,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:32:29,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:32:29,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:32:29,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:32:29,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:32:29,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:32:29,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:32:29,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:32:29,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:32:29,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:32:29,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:32:29,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:32:29,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:32:29,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:32:29,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:32:29,522 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:32:29,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:32:29,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:32:29,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:29,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:32:29,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:32:29,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:32:29,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:32:29,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:32:29,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:32:29,525 INFO L138 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_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2021-11-25 06:32:29,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:32:29,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:32:29,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:32:29,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:32:29,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:32:29,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 06:32:29,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/data/fbdabc570/f515f3a34a884ea7bb418bf43f2d99a0/FLAGbcb659554 [2021-11-25 06:32:30,448 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:32:30,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-25 06:32:30,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/data/fbdabc570/f515f3a34a884ea7bb418bf43f2d99a0/FLAGbcb659554 [2021-11-25 06:32:30,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/data/fbdabc570/f515f3a34a884ea7bb418bf43f2d99a0 [2021-11-25 06:32:30,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:32:30,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:32:30,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:30,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:32:30,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:32:30,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:30" (1/1) ... [2021-11-25 06:32:30,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7ebe88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:30, skipping insertion in model container [2021-11-25 06:32:30,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:30" (1/1) ... [2021-11-25 06:32:30,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:32:30,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:32:31,048 WARN L230 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_95fbdabf-c987-457c-b520-99d78b53f6d2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-25 06:32:31,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:31,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:32:31,105 WARN L230 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_95fbdabf-c987-457c-b520-99d78b53f6d2/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-25 06:32:31,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:31,122 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:32:31,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31 WrapperNode [2021-11-25 06:32:31,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:31,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:31,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:32:31,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:32:31,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,195 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 217 [2021-11-25 06:32:31,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:31,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:32:31,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:32:31,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:32:31,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:32:31,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:32:31,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:32:31,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:32:31,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:31" (1/1) ... [2021-11-25 06:32:31,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:32:31,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:32:31,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95fbdabf-c987-457c-b520-99d78b53f6d2/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:32:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:32:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:32:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:32:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:32:31,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:32:31,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:32:31,715 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:32:32,119 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:32:32,119 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:32:32,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:32 BoogieIcfgContainer [2021-11-25 06:32:32,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:32:32,124 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:32:32,124 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:32:32,135 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:32:32,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:32:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-25 06:32:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-25 06:32:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:32:32,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:32,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-25 06:32:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-25 06:32:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:32,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:32,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-25 06:32:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-25 06:32:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:33,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-25 06:32:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-25 06:32:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:32:33,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:33,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-25 06:32:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-25 06:32:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:32:34,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:34,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-25 06:32:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-25 06:32:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:32:38,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2021-11-25 06:32:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-25 06:32:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:32:43,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:43,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2021-11-25 06:32:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2021-11-25 06:32:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:32:45,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:45,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2021-11-25 06:32:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2021-11-25 06:32:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:32:51,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:51,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:32:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 135 transitions. [2021-11-25 06:32:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 135 transitions. [2021-11-25 06:32:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:32:55,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:55,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2021-11-25 06:33:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2021-11-25 06:33:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:33:00,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:00,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 96 states and 171 transitions. [2021-11-25 06:33:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 171 transitions. [2021-11-25 06:33:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:33:03,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:03,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:33:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 121 states and 246 transitions. [2021-11-25 06:33:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 246 transitions. [2021-11-25 06:33:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:33:46,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:46,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 146 states and 327 transitions. [2021-11-25 06:34:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 327 transitions. [2021-11-25 06:34:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:34:43,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:43,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 152 states and 336 transitions. [2021-11-25 06:34:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 336 transitions. [2021-11-25 06:34:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:34:50,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:50,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 156 states and 348 transitions. [2021-11-25 06:35:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 348 transitions. [2021-11-25 06:35:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:35:02,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:02,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 163 states and 368 transitions. [2021-11-25 06:35:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 368 transitions. [2021-11-25 06:35:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:35:21,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:21,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:35:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 168 states and 380 transitions. [2021-11-25 06:35:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 380 transitions. [2021-11-25 06:35:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:35:38,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:38,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 192 states and 443 transitions. [2021-11-25 06:36:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 443 transitions. [2021-11-25 06:36:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:36:56,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:56,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 217 states and 517 transitions. [2021-11-25 06:38:19,866 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 517 transitions. [2021-11-25 06:38:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:38:19,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:19,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 218 states and 519 transitions. [2021-11-25 06:38:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 519 transitions. [2021-11-25 06:38:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:38:27,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:27,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:38:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 219 states and 532 transitions. [2021-11-25 06:38:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 532 transitions. [2021-11-25 06:38:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:38:30,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:30,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 235 states and 579 transitions. [2021-11-25 06:39:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 579 transitions. [2021-11-25 06:39:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:39:02,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:02,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:39:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 244 states and 610 transitions. [2021-11-25 06:39:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 610 transitions. [2021-11-25 06:39:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:39:32,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:32,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 260 states and 670 transitions. [2021-11-25 06:40:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 670 transitions. [2021-11-25 06:40:14,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:40:14,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:14,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:40:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 276 states and 718 transitions. [2021-11-25 06:40:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 718 transitions. [2021-11-25 06:40:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:40:57,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:57,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 283 states and 735 transitions. [2021-11-25 06:41:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 735 transitions. [2021-11-25 06:41:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:41:27,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:27,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 290 states and 766 transitions. [2021-11-25 06:41:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 766 transitions. [2021-11-25 06:41:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:41:55,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:55,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 296 states and 773 transitions. [2021-11-25 06:42:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 773 transitions. [2021-11-25 06:42:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:42:07,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:07,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 303 states and 795 transitions. [2021-11-25 06:42:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 795 transitions. [2021-11-25 06:42:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:42:26,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:26,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 318 states and 835 transitions. [2021-11-25 06:43:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 835 transitions. [2021-11-25 06:43:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:43:12,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:12,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 324 states and 852 transitions. [2021-11-25 06:43:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 852 transitions. [2021-11-25 06:43:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:43:50,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 326 states and 858 transitions. [2021-11-25 06:43:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 858 transitions. [2021-11-25 06:43:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:43:56,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:56,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:44:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 332 states and 875 transitions. [2021-11-25 06:44:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 875 transitions. [2021-11-25 06:44:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:44:12,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:12,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:44:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 340 states and 897 transitions. [2021-11-25 06:44:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 897 transitions. [2021-11-25 06:44:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:44:32,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:32,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 341 states and 909 transitions. [2021-11-25 06:44:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 909 transitions. [2021-11-25 06:44:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:44:42,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:42,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:45:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 355 states and 939 transitions. [2021-11-25 06:45:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 939 transitions. [2021-11-25 06:45:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:45:16,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:16,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.