./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.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_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/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_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/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_27039240-b4fd-49db-9115-59acc788663a/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 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:44,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:44,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:44,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:44,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:44,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:44,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:44,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:44,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:44,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:44,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:44,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:44,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:44,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:44,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:44,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:44,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:44,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:44,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:44,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:44,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:44,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:44,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:44,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:44,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:44,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:44,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:44,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:44,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:44,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:44,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:44,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:44,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:44,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:44,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:44,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:44,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:44,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:44,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:44,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:44,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:44,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:44,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:44,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:44,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:44,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:44,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:44,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:44,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:44,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:44,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:44,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:44,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:44,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:44,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:44,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:44,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:44,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:44,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:44,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:44,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:44,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:44,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:44,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:44,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:44,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:44,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:44,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:44,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:44,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:44,317 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_27039240-b4fd-49db-9115-59acc788663a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 [2021-11-23 00:28:44,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:44,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:44,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:44,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:44,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:44,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2021-11-23 00:28:44,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/data/27dffee00/b0bd6a843c674b27b8e417d00956402a/FLAGe3859911f [2021-11-23 00:28:45,454 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:45,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2021-11-23 00:28:45,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/data/27dffee00/b0bd6a843c674b27b8e417d00956402a/FLAGe3859911f [2021-11-23 00:28:45,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/data/27dffee00/b0bd6a843c674b27b8e417d00956402a [2021-11-23 00:28:45,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:45,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:45,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:45,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:45,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:45,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:45" (1/1) ... [2021-11-23 00:28:45,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b94972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:45, skipping insertion in model container [2021-11-23 00:28:45,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:45" (1/1) ... [2021-11-23 00:28:45,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:45,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:46,084 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_27039240-b4fd-49db-9115-59acc788663a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2021-11-23 00:28:46,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:46,097 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:46,195 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_27039240-b4fd-49db-9115-59acc788663a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2021-11-23 00:28:46,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:46,212 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:46,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46 WrapperNode [2021-11-23 00:28:46,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:46,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:46,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:46,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:46,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,294 INFO L137 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 390 [2021-11-23 00:28:46,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:46,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:46,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:46,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:46,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:46,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:46,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:46,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:46,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:46" (1/1) ... [2021-11-23 00:28:46,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:46,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:46,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27039240-b4fd-49db-9115-59acc788663a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:46,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:46,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:46,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:46,711 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:46,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:47,318 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:48,044 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:48,044 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:28:48,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:48 BoogieIcfgContainer [2021-11-23 00:28:48,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:48,049 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:48,049 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:48,060 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:48,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:48" (1/1) ... [2021-11-23 00:28:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:28:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:28:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:48,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,856 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 00:28:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:28:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:28:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:48,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:49,262 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 00:28:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:28:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:28:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:49,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:49,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:49,961 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 00:28:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 00:28:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 00:28:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:50,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:50,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:50,763 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 00:28:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-23 00:28:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-23 00:28:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:51,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:51,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,072 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 00:28:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2021-11-23 00:28:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-11-23 00:28:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:28:58,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,928 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 00:29:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2021-11-23 00:29:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2021-11-23 00:29:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:02,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,665 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 00:29:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2021-11-23 00:29:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2021-11-23 00:29:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:10,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:10,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:12,161 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 00:29:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2021-11-23 00:29:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2021-11-23 00:29:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:29:12,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:12,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:13,974 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 00:29:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 119 transitions. [2021-11-23 00:29:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2021-11-23 00:29:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:21,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:21,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2021-11-23 00:29:29,976 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2021-11-23 00:29:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:29,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 87 states and 159 transitions. [2021-11-23 00:29:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 159 transitions. [2021-11-23 00:29:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:34,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:34,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 88 states and 160 transitions. [2021-11-23 00:29:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 160 transitions. [2021-11-23 00:29:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:35,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:35,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 89 states and 162 transitions. [2021-11-23 00:29:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 162 transitions. [2021-11-23 00:29:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:29:36,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:36,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,501 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 00:30:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 215 transitions. [2021-11-23 00:30:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 215 transitions. [2021-11-23 00:30:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:30:37,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:37,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:45,921 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 00:30:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:49,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 114 states and 217 transitions. [2021-11-23 00:30:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2021-11-23 00:30:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:30:49,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:03,651 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 00:32:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 139 states and 272 transitions. [2021-11-23 00:32:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 272 transitions. [2021-11-23 00:32:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:20,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:20,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:29,553 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 00:32:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 287 transitions. [2021-11-23 00:32:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 287 transitions. [2021-11-23 00:32:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:47,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:52,682 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 00:33:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 156 states and 313 transitions. [2021-11-23 00:33:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 313 transitions. [2021-11-23 00:33:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:37,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:37,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:37,815 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 00:33:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 162 states and 327 transitions. [2021-11-23 00:33:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2021-11-23 00:33:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:33:53,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:53,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,227 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 00:34:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 178 states and 382 transitions. [2021-11-23 00:34:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 382 transitions. [2021-11-23 00:34:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:34:29,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:29,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:30,274 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 00:34:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 184 states and 396 transitions. [2021-11-23 00:34:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 396 transitions. [2021-11-23 00:34:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:34:44,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:44,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:15,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 198 states and 437 transitions. [2021-11-23 00:35:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 437 transitions. [2021-11-23 00:35:15,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:15,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:15,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 212 states and 478 transitions. [2021-11-23 00:35:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 478 transitions. [2021-11-23 00:35:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:41,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,845 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 00:35:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 215 states and 483 transitions. [2021-11-23 00:35:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 483 transitions. [2021-11-23 00:35:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:52,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,485 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 00:35:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 218 states and 488 transitions. [2021-11-23 00:35:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 488 transitions. [2021-11-23 00:35:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:59,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:59,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,090 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 00:36:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 221 states and 500 transitions. [2021-11-23 00:36:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 500 transitions. [2021-11-23 00:36:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:06,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 222 states and 505 transitions. [2021-11-23 00:36:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 505 transitions. [2021-11-23 00:36:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:09,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 229 states and 526 transitions. [2021-11-23 00:36:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 526 transitions. [2021-11-23 00:36:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:17,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 230 states and 533 transitions. [2021-11-23 00:36:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 533 transitions. [2021-11-23 00:36:19,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:36:19,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,175 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 00:36:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 231 states and 533 transitions. [2021-11-23 00:36:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 533 transitions. [2021-11-23 00:36:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:36:22,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat