./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.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_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/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_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/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_dcf912af-0ee2-4867-a369-040e0816dae2/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 b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:23,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:23,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:23,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:23,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:23,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:23,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:23,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:23,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:23,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:23,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:23,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:23,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:23,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:23,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:23,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:23,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:23,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:23,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:23,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:23,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:23,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:23,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:23,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:23,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:23,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:23,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:23,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:23,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:23,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:23,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:23,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:23,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:23,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:23,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:23,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:23,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:23,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:23,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:23,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:23,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:47:23,306 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:23,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:23,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:23,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:23,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:23,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:23,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:23,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:23,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:23,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:23,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:23,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:23,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:23,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:23,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:23,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:23,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:23,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:23,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:23,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:23,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:23,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:23,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:23,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:23,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:23,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:23,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:23,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:23,316 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_dcf912af-0ee2-4867-a369-040e0816dae2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 [2021-11-23 01:47:23,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:23,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:23,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:23,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:23,652 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:23,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2021-11-23 01:47:23,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/data/06975f80a/1a705efd8cc84b059356a8d8b04baf56/FLAGc6243b15d [2021-11-23 01:47:24,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:24,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2021-11-23 01:47:24,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/data/06975f80a/1a705efd8cc84b059356a8d8b04baf56/FLAGc6243b15d [2021-11-23 01:47:24,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/data/06975f80a/1a705efd8cc84b059356a8d8b04baf56 [2021-11-23 01:47:24,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:24,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:24,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:24,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:24,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:24,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64aacc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24, skipping insertion in model container [2021-11-23 01:47:24,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:24,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:25,069 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_dcf912af-0ee2-4867-a369-040e0816dae2/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2021-11-23 01:47:25,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:25,086 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:25,145 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_dcf912af-0ee2-4867-a369-040e0816dae2/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2021-11-23 01:47:25,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:25,162 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:25,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25 WrapperNode [2021-11-23 01:47:25,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:25,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:25,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:25,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:25,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,236 INFO L137 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2021-11-23 01:47:25,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:25,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:25,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:25,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:25,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:25,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:25,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:25,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:25,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:25,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf912af-0ee2-4867-a369-040e0816dae2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:25,474 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:25,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:26,060 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:26,752 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:26,752 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:47:26,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:26 BoogieIcfgContainer [2021-11-23 01:47:26,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:26,757 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:26,757 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:26,769 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:26,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:26" (1/1) ... [2021-11-23 01:47:26,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:47:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:47:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:47:26,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,413 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 01:47:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:47:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:47:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:47:27,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,692 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 01:47:28,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 01:47:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 01:47:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:47:28,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,298 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 01:47:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 01:47:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:47:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:47:28,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,009 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 01:47:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2021-11-23 01:47:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-11-23 01:47:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:47:29,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,013 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 01:47:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2021-11-23 01:47:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2021-11-23 01:47:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:47:35,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:35,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-11-23 01:47:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-23 01:47:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:47:39,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:39,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:41,405 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 01:47:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2021-11-23 01:47:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2021-11-23 01:47:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:47:48,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:48,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:49,808 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 01:47:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2021-11-23 01:47:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2021-11-23 01:47:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:47:50,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2021-11-23 01:47:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2021-11-23 01:47:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:50,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 74 states and 160 transitions. [2021-11-23 01:48:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2021-11-23 01:48:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:48:02,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:02,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 76 states and 165 transitions. [2021-11-23 01:48:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 165 transitions. [2021-11-23 01:48:03,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:03,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:03,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 87 states and 196 transitions. [2021-11-23 01:48:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 196 transitions. [2021-11-23 01:48:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:12,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:12,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 95 states and 218 transitions. [2021-11-23 01:48:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 218 transitions. [2021-11-23 01:48:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:17,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 98 states and 231 transitions. [2021-11-23 01:48:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 231 transitions. [2021-11-23 01:48:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:18,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 100 states and 236 transitions. [2021-11-23 01:48:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 236 transitions. [2021-11-23 01:48:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:19,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:19,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 101 states and 239 transitions. [2021-11-23 01:48:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 239 transitions. [2021-11-23 01:48:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:48:21,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:21,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 125 states and 308 transitions. [2021-11-23 01:49:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 308 transitions. [2021-11-23 01:49:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:49:15,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 130 states and 323 transitions. [2021-11-23 01:49:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 323 transitions. [2021-11-23 01:49:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:49:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:27,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 131 states and 331 transitions. [2021-11-23 01:49:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 331 transitions. [2021-11-23 01:49:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:49:36,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:36,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 156 states and 408 transitions. [2021-11-23 01:53:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 408 transitions. [2021-11-23 01:53:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:53:30,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:30,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:22,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:54:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 167 states and 449 transitions. [2021-11-23 01:54:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 449 transitions. [2021-11-23 01:54:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:54:51,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:51,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 189 states and 504 transitions. [2021-11-23 01:56:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 504 transitions. [2021-11-23 01:56:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:56:53,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:53,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 197 states and 524 transitions. [2021-11-23 01:57:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 524 transitions. [2021-11-23 01:57:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:57:08,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:08,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:58:21,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 203 states and 544 transitions. [2021-11-23 01:58:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 544 transitions. [2021-11-23 01:58:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:58:21,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:21,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:59:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 219 states and 601 transitions. [2021-11-23 01:59:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 601 transitions. [2021-11-23 01:59:09,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:59:09,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:09,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:59:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:32,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 227 states and 631 transitions. [2021-11-23 01:59:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 631 transitions. [2021-11-23 01:59:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:59:32,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:32,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:00:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:00:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 234 states and 650 transitions. [2021-11-23 02:00:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 650 transitions. [2021-11-23 02:00:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:00:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:00:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:00:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:00:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:00:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 02:00:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 240 states and 672 transitions. [2021-11-23 02:00:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 672 transitions. [2021-11-23 02:00:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:00:16,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 02:00:16,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:00:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:00:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.