./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e --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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:11:44,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:11:44,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:11:44,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:11:44,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:11:44,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:11:44,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:11:44,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:11:44,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:11:44,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:11:44,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:11:44,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:11:44,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:11:44,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:11:44,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:11:44,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:11:44,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:11:44,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:11:44,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:11:44,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:11:44,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:11:44,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:11:44,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:11:44,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:11:44,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:11:44,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:11:44,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:11:44,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:11:44,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:11:44,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:11:44,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:11:44,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:11:44,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:11:44,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:11:44,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:11:44,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:11:44,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:11:44,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:11:44,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:11:44,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:11:44,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:11:44,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:11:44,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:11:44,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:11:44,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:11:44,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:11:44,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:11:44,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:11:44,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:11:44,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:11:44,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:11:44,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:11:44,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:11:44,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:11:44,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:11:44,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:11:44,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:11:44,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:11:44,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:11:44,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:11:44,343 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:11:44,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:11:44,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:11:44,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:44,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:11:44,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:11:44,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:11:44,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:11:44,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:11:44,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:11:44,346 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_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2021-11-13 23:11:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:11:44,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:11:44,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:11:44,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:11:44,682 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:11:44,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-invgen/nested9.i [2021-11-13 23:11:44,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/data/0efbe8a65/8ee4eeef564047d5ba8353620071a7ea/FLAG6a0ae6530 [2021-11-13 23:11:45,278 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:11:45,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/sv-benchmarks/c/loop-invgen/nested9.i [2021-11-13 23:11:45,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/data/0efbe8a65/8ee4eeef564047d5ba8353620071a7ea/FLAG6a0ae6530 [2021-11-13 23:11:45,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/data/0efbe8a65/8ee4eeef564047d5ba8353620071a7ea [2021-11-13 23:11:45,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:11:45,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:11:45,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:45,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:11:45,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:11:45,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b5888f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45, skipping insertion in model container [2021-11-13 23:11:45,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:11:45,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:11:45,858 WARN L228 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_1a12cf72-441e-4e2c-a073-dc9a20044472/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-13 23:11:45,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:45,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:11:45,896 WARN L228 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_1a12cf72-441e-4e2c-a073-dc9a20044472/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2021-11-13 23:11:45,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:45,914 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:11:45,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45 WrapperNode [2021-11-13 23:11:45,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:45,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:45,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:11:45,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:11:45,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:45,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:11:45,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:11:45,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:11:45,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:45,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:46,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:46,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:11:46,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:11:46,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:11:46,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:11:46,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:45" (1/1) ... [2021-11-13 23:11:46,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:11:46,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:11:46,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:11:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:11:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:11:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:11:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:11:46,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:11:46,438 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:11:46,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:46 BoogieIcfgContainer [2021-11-13 23:11:46,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:11:46,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:11:46,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:11:46,472 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:11:46,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:46" (1/1) ... [2021-11-13 23:11:46,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:11:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-13 23:11:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-13 23:11:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:11:46,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2021-11-13 23:11:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2021-11-13 23:11:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:11:46,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2021-11-13 23:11:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2021-11-13 23:11:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:11:47,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2021-11-13 23:11:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2021-11-13 23:11:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:11:47,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2021-11-13 23:11:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2021-11-13 23:11:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:11:48,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2021-11-13 23:11:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2021-11-13 23:11:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:11:48,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2021-11-13 23:11:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2021-11-13 23:11:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:11:50,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:11:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 36 states and 90 transitions. [2021-11-13 23:11:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 90 transitions. [2021-11-13 23:11:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:11:50,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:11:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2021-11-13 23:11:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2021-11-13 23:11:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:11:50,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:11:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2021-11-13 23:11:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2021-11-13 23:11:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:11:51,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2021-11-13 23:11:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2021-11-13 23:11:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:11:53,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:53,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2021-11-13 23:11:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2021-11-13 23:11:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:11:54,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:54,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 50 states and 128 transitions. [2021-11-13 23:11:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 128 transitions. [2021-11-13 23:11:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:11:55,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:55,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2021-11-13 23:11:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2021-11-13 23:11:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:11:55,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:55,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 151 transitions. [2021-11-13 23:11:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 151 transitions. [2021-11-13 23:11:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:11:57,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:57,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2021-11-13 23:11:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2021-11-13 23:11:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:11:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:11:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2021-11-13 23:11:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2021-11-13 23:11:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:11:58,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:58,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:11:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2021-11-13 23:11:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2021-11-13 23:11:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:11:59,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:59,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:11:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2021-11-13 23:11:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2021-11-13 23:11:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:11:59,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:59,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:12:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 171 transitions. [2021-11-13 23:12:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 171 transitions. [2021-11-13 23:12:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:12:00,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:00,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:12:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 66 states and 175 transitions. [2021-11-13 23:12:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 175 transitions. [2021-11-13 23:12:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:12:01,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:01,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:12:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2021-11-13 23:12:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2021-11-13 23:12:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:01,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:01,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2021-11-13 23:12:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2021-11-13 23:12:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:03,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:03,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 76 states and 200 transitions. [2021-11-13 23:12:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 200 transitions. [2021-11-13 23:12:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:12:04,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:04,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2021-11-13 23:12:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2021-11-13 23:12:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:05,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:05,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2021-11-13 23:12:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-11-13 23:12:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:05,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2021-11-13 23:12:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2021-11-13 23:12:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:12:05,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:05,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2021-11-13 23:12:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2021-11-13 23:12:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:12:06,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:06,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 81 states and 205 transitions. [2021-11-13 23:12:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 205 transitions. [2021-11-13 23:12:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:12:06,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:06,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 84 states and 207 transitions. [2021-11-13 23:12:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 207 transitions. [2021-11-13 23:12:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:12:07,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:07,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:12:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 85 states and 208 transitions. [2021-11-13 23:12:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 208 transitions. [2021-11-13 23:12:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:12:07,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:07,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:12:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2021-11-13 23:12:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2021-11-13 23:12:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:12:11,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:11,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:12:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 96 states and 235 transitions. [2021-11-13 23:12:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 235 transitions. [2021-11-13 23:12:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:12:12,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:12,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:12:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 103 states and 245 transitions. [2021-11-13 23:12:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 245 transitions. [2021-11-13 23:12:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:12:15,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:15,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:12:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 107 states and 254 transitions. [2021-11-13 23:12:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 254 transitions. [2021-11-13 23:12:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:12:17,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:12:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 108 states and 254 transitions. [2021-11-13 23:12:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 254 transitions. [2021-11-13 23:12:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:12:17,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:12:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 109 states and 254 transitions. [2021-11-13 23:12:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 254 transitions. [2021-11-13 23:12:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:12:17,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:17,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:12:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 110 states and 254 transitions. [2021-11-13 23:12:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 254 transitions. [2021-11-13 23:12:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:12:18,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:18,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:12:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2021-11-13 23:12:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2021-11-13 23:12:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:12:21,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:21,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:12:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 116 states and 263 transitions. [2021-11-13 23:12:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 263 transitions. [2021-11-13 23:12:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:12:21,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:21,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 23:12:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 117 states and 263 transitions. [2021-11-13 23:12:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 263 transitions. [2021-11-13 23:12:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:12:22,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:22,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:12:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 130 states and 298 transitions. [2021-11-13 23:12:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 298 transitions. [2021-11-13 23:12:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:12:29,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:29,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:12:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 134 states and 302 transitions. [2021-11-13 23:12:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 302 transitions. [2021-11-13 23:12:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:12:30,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:30,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:31,012 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:12:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 135 states and 302 transitions. [2021-11-13 23:12:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 302 transitions. [2021-11-13 23:12:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:12:31,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:31,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-13 23:12:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 137 states and 304 transitions. [2021-11-13 23:12:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 304 transitions. [2021-11-13 23:12:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:12:32,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:32,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:12:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 140 states and 312 transitions. [2021-11-13 23:12:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 312 transitions. [2021-11-13 23:12:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:12:34,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:34,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:12:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 143 states and 318 transitions. [2021-11-13 23:12:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 318 transitions. [2021-11-13 23:12:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:12:35,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:35,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:12:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 144 states and 319 transitions. [2021-11-13 23:12:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 319 transitions. [2021-11-13 23:12:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:12:36,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:36,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 23:12:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 321 transitions. [2021-11-13 23:12:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2021-11-13 23:12:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:12:36,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:36,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 23:12:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 148 states and 326 transitions. [2021-11-13 23:12:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 326 transitions. [2021-11-13 23:12:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:12:38,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:38,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:12:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 159 states and 345 transitions. [2021-11-13 23:12:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 345 transitions. [2021-11-13 23:12:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:12:45,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:45,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:12:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 165 states and 353 transitions. [2021-11-13 23:12:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 353 transitions. [2021-11-13 23:12:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:12:48,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:48,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:12:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 166 states and 354 transitions. [2021-11-13 23:12:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 354 transitions. [2021-11-13 23:12:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:12:49,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:49,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:12:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 176 states and 376 transitions. [2021-11-13 23:12:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 376 transitions. [2021-11-13 23:12:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:12:55,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:55,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 23:12:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 177 states and 377 transitions. [2021-11-13 23:12:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 377 transitions. [2021-11-13 23:12:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:12:55,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:55,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 23:12:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:12:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 176 states and 377 transitions. [2021-11-13 23:12:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 377 transitions. [2021-11-13 23:12:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:12:58,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:12:58,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:12:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:12:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:13:02,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 183 states and 391 transitions. [2021-11-13 23:13:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 391 transitions. [2021-11-13 23:13:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:13:02,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:02,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:13:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 185 states and 392 transitions. [2021-11-13 23:13:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 392 transitions. [2021-11-13 23:13:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:13:04,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:04,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-13 23:13:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 186 states and 392 transitions. [2021-11-13 23:13:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 392 transitions. [2021-11-13 23:13:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:13:04,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:04,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:13:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 193 states and 399 transitions. [2021-11-13 23:13:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 399 transitions. [2021-11-13 23:13:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:13:11,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:11,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:13:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 207 states and 418 transitions. [2021-11-13 23:13:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 418 transitions. [2021-11-13 23:13:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:13:19,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:19,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:13:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 208 states and 418 transitions. [2021-11-13 23:13:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2021-11-13 23:13:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:13:20,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:20,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 23:13:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 209 states and 419 transitions. [2021-11-13 23:13:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 419 transitions. [2021-11-13 23:13:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:13:21,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:21,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 223 proven. 22 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-13 23:13:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 212 states and 424 transitions. [2021-11-13 23:13:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 424 transitions. [2021-11-13 23:13:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:13:24,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:24,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 219 proven. 99 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-13 23:13:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 222 states and 440 transitions. [2021-11-13 23:13:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 440 transitions. [2021-11-13 23:13:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:13:30,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:30,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 303 proven. 35 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-13 23:13:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 232 states and 453 transitions. [2021-11-13 23:13:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 453 transitions. [2021-11-13 23:13:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:13:35,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:35,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-13 23:13:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 101 states and 203 transitions. [2021-11-13 23:13:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 203 transitions. [2021-11-13 23:13:40,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:13:40,233 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2021-11-13 23:13:40,241 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-13 23:13:40,732 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-13 23:13:40,743 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-13 23:13:40,744 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-13 23:13:40,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:13:40,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:13:40,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:13:40,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:13:40 ImpRootNode [2021-11-13 23:13:40,746 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:13:40,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:13:40,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:13:40,747 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:13:40,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:46" (3/4) ... [2021-11-13 23:13:40,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:13:40,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 23:13:40,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-13 23:13:40,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:13:40,760 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:13:40,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:13:40,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:13:40,803 INFO L158 Benchmark]: Toolchain (without parser) took 115150.78ms. Allocated memory was 86.0MB in the beginning and 960.5MB in the end (delta: 874.5MB). Free memory was 63.2MB in the beginning and 451.4MB in the end (delta: -388.2MB). Peak memory consumption was 488.2MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,804 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:13:40,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.99ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,805 INFO L158 Benchmark]: Boogie Preprocessor took 50.33ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 58.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,806 INFO L158 Benchmark]: RCFGBuilder took 430.40ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 47.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,806 INFO L158 Benchmark]: CodeCheck took 114304.55ms. Allocated memory was 86.0MB in the beginning and 960.5MB in the end (delta: 874.5MB). Free memory was 47.5MB in the beginning and 454.3MB in the end (delta: -406.8MB). Peak memory consumption was 469.1MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,807 INFO L158 Benchmark]: Witness Printer took 55.84ms. Allocated memory is still 960.5MB. Free memory was 454.3MB in the beginning and 451.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:13:40,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 113.7s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13123 SdHoareTripleChecker+Valid, 84573.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11490 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 71107.37ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 17999 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59743 IncrementalHoareTripleChecker+Invalid, 77742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17999 mSolverCounterUnsat, 528 mSDtfsCounter, 59743 mSolverCounterSat, 1023.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21021 GetRequests, 19185 SyntacticMatches, 886 SemanticMatches, 950 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460095 ImplicationChecksByTransitivity, 107.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1941 NumberOfCodeBlocks, 1941 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 1875 ConstructedInterpolants, 0 QuantifiedInterpolants, 7359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 4 PerfectInterpolantSequences, 3354/4889 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((i == 0 && i + 1 <= n) && j < k + 1) || (3 * i <= j + 1 && j < k + 1)) || (3 * i <= j + 1 && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((i == 0 && i + 1 <= n) || 3 * i <= j) || (2 * i <= j && i + 1 <= n) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((3 * i <= j + 1 && j + 1 <= 2 * n + i) || (((i == 0 && k == 0) && i + 1 <= n) && j + 1 <= 2 * n + i)) || ((2 * i <= j && j + 1 < 3 * i) && i + 1 <= n) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.99ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.33ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 58.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.40ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 47.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 114304.55ms. Allocated memory was 86.0MB in the beginning and 960.5MB in the end (delta: 874.5MB). Free memory was 47.5MB in the beginning and 454.3MB in the end (delta: -406.8MB). Peak memory consumption was 469.1MB. Max. memory is 16.1GB. * Witness Printer took 55.84ms. Allocated memory is still 960.5MB. Free memory was 454.3MB in the beginning and 451.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:13:40,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a12cf72-441e-4e2c-a073-dc9a20044472/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE