./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ --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 3f728e04159b75fd4f86d9e171d07387390897d2fdfdd24db8ac526a2f9d83e1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:38,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:38,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:38,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:38,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:38,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:38,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:38,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:38,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:38,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:38,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:38,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:38,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:38,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:38,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:38,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:38,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:38,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:38,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:38,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:38,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:38,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:38,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:38,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:38,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:38,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:38,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:38,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:38,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:38,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:38,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:38,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:38,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:38,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:38,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:38,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:38,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:38,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:38,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:38,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:38,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:38,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:38,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:38,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:38,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:38,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:38,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:38,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:38,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:38,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:38,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:38,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:38,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:38,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:38,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:38,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:38,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:38,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:38,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:38,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:38,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:38,589 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:38,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:38,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:38,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:38,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:38,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:38,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:38,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:38,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:38,591 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_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f728e04159b75fd4f86d9e171d07387390897d2fdfdd24db8ac526a2f9d83e1 [2021-11-23 01:27:38,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:38,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:38,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:38,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:38,907 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:38,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c [2021-11-23 01:27:38,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/data/3ac6198c0/32b47e1538b94201b2893fda142e0d6d/FLAG790e873a4 [2021-11-23 01:27:39,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:39,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c [2021-11-23 01:27:39,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/data/3ac6198c0/32b47e1538b94201b2893fda142e0d6d/FLAG790e873a4 [2021-11-23 01:27:39,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/data/3ac6198c0/32b47e1538b94201b2893fda142e0d6d [2021-11-23 01:27:39,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:39,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:39,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:39,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:39,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:39,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:39" (1/1) ... [2021-11-23 01:27:39,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6e06db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:39, skipping insertion in model container [2021-11-23 01:27:39,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:39" (1/1) ... [2021-11-23 01:27:39,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:39,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:40,198 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_8d3fbb0c-90ec-46d9-934c-8816926f8df5/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c[12762,12775] [2021-11-23 01:27:40,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:40,211 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:40,281 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_8d3fbb0c-90ec-46d9-934c-8816926f8df5/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.BOUNDED-6.pals.c[12762,12775] [2021-11-23 01:27:40,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:40,298 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:40,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40 WrapperNode [2021-11-23 01:27:40,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:40,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:40,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:40,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:40,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,385 INFO L137 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2021-11-23 01:27:40,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:40,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:40,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:40,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:40,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:40,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:40,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:40,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:40,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:40" (1/1) ... [2021-11-23 01:27:40,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:40,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:40,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:40,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3fbb0c-90ec-46d9-934c-8816926f8df5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:40,704 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:40,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:41,321 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:41,842 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:41,842 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:27:41,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:41 BoogieIcfgContainer [2021-11-23 01:27:41,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:41,874 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:41,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:41,885 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:41,886 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:41" (1/1) ... [2021-11-23 01:27:41,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:27:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:27:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:41,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 01:27:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:27:42,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:42,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:42,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2021-11-23 01:27:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2021-11-23 01:27:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:27:43,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2021-11-23 01:27:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2021-11-23 01:27:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:27:44,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2021-11-23 01:27:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2021-11-23 01:27:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:27:45,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:45,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2021-11-23 01:27:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2021-11-23 01:27:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:46,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:46,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2021-11-23 01:27:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2021-11-23 01:27:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:48,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2021-11-23 01:27:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2021-11-23 01:27:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:27:48,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2021-11-23 01:27:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2021-11-23 01:27:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:27:50,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2021-11-23 01:27:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-23 01:27:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:27:50,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:50,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 61 states and 116 transitions. [2021-11-23 01:27:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2021-11-23 01:27:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:51,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2021-11-23 01:27:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2021-11-23 01:27:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:56,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 188 transitions. [2021-11-23 01:28:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2021-11-23 01:28:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:03,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 94 states and 193 transitions. [2021-11-23 01:28:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2021-11-23 01:28:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:28:03,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 108 states and 217 transitions. [2021-11-23 01:28:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 217 transitions. [2021-11-23 01:28:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:28:09,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:09,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 258 transitions. [2021-11-23 01:28:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 258 transitions. [2021-11-23 01:28:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:28:16,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 129 states and 263 transitions. [2021-11-23 01:28:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 263 transitions. [2021-11-23 01:28:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:28:17,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 148 states and 298 transitions. [2021-11-23 01:28:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 298 transitions. [2021-11-23 01:28:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:28:24,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 167 states and 333 transitions. [2021-11-23 01:28:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 333 transitions. [2021-11-23 01:28:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:31,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:31,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 170 states and 339 transitions. [2021-11-23 01:28:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 339 transitions. [2021-11-23 01:28:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:36,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 175 states and 353 transitions. [2021-11-23 01:28:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 353 transitions. [2021-11-23 01:28:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:28:39,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 189 states and 403 transitions. [2021-11-23 01:28:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 403 transitions. [2021-11-23 01:28:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:28:47,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 194 states and 413 transitions. [2021-11-23 01:28:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 413 transitions. [2021-11-23 01:28:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:28:50,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:50,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 208 states and 448 transitions. [2021-11-23 01:28:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 448 transitions. [2021-11-23 01:28:58,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:28:58,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:58,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 214 states and 471 transitions. [2021-11-23 01:29:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 471 transitions. [2021-11-23 01:29:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:29:02,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:02,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 225 states and 498 transitions. [2021-11-23 01:29:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 498 transitions. [2021-11-23 01:29:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:29:09,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:09,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 227 states and 513 transitions. [2021-11-23 01:29:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 513 transitions. [2021-11-23 01:29:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:29:11,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 228 states and 518 transitions. [2021-11-23 01:29:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 518 transitions. [2021-11-23 01:29:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:13,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 238 states and 551 transitions. [2021-11-23 01:29:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 551 transitions. [2021-11-23 01:29:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:20,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:20,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 240 states and 563 transitions. [2021-11-23 01:29:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 563 transitions. [2021-11-23 01:29:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:22,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 241 states and 571 transitions. [2021-11-23 01:29:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 571 transitions. [2021-11-23 01:29:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:23,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:24,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 242 states and 575 transitions. [2021-11-23 01:29:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 575 transitions. [2021-11-23 01:29:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:29:24,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:24,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 264 states and 625 transitions. [2021-11-23 01:29:36,743 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 625 transitions. [2021-11-23 01:29:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:29:36,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 268 states and 645 transitions. [2021-11-23 01:29:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 645 transitions. [2021-11-23 01:29:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:29:40,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 269 states and 652 transitions. [2021-11-23 01:29:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 652 transitions. [2021-11-23 01:29:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:29:41,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:41,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 270 states and 656 transitions. [2021-11-23 01:29:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 656 transitions. [2021-11-23 01:29:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:43,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 278 states and 680 transitions. [2021-11-23 01:29:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 680 transitions. [2021-11-23 01:29:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:49,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:49,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 281 states and 692 transitions. [2021-11-23 01:29:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 692 transitions. [2021-11-23 01:29:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:52,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 282 states and 702 transitions. [2021-11-23 01:29:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 702 transitions. [2021-11-23 01:29:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:53,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 283 states and 704 transitions. [2021-11-23 01:29:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 704 transitions. [2021-11-23 01:29:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:55,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:55,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 284 states and 706 transitions. [2021-11-23 01:29:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 706 transitions. [2021-11-23 01:29:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:29:56,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 285 states and 710 transitions. [2021-11-23 01:29:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 710 transitions. [2021-11-23 01:29:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:29:57,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:57,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 287 states and 717 transitions. [2021-11-23 01:30:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 717 transitions. [2021-11-23 01:30:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:04,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:04,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 292 states and 739 transitions. [2021-11-23 01:30:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 739 transitions. [2021-11-23 01:30:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:09,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:09,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 294 states and 748 transitions. [2021-11-23 01:30:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 748 transitions. [2021-11-23 01:30:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:12,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:12,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 297 states and 752 transitions. [2021-11-23 01:30:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 752 transitions. [2021-11-23 01:30:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:15,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:15,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 299 states and 754 transitions. [2021-11-23 01:30:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 754 transitions. [2021-11-23 01:30:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:17,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:17,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 300 states and 760 transitions. [2021-11-23 01:30:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 760 transitions. [2021-11-23 01:30:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:19,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:19,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:20,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 301 states and 771 transitions. [2021-11-23 01:30:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 771 transitions. [2021-11-23 01:30:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:20,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:20,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 302 states and 772 transitions. [2021-11-23 01:30:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 772 transitions. [2021-11-23 01:30:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:22,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:22,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 303 states and 773 transitions. [2021-11-23 01:30:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 773 transitions. [2021-11-23 01:30:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:23,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 304 states and 775 transitions. [2021-11-23 01:30:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 775 transitions. [2021-11-23 01:30:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:30:25,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:25,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat