./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:23:23,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:23:23,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:23:23,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:23:23,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:23:23,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:23:23,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:23:23,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:23:23,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:23:23,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:23:23,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:23:23,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:23:23,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:23:23,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:23:23,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:23:23,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:23:23,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:23:23,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:23:23,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:23:23,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:23:23,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:23:23,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:23:23,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:23:23,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:23:23,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:23:23,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:23:23,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:23:23,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:23:23,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:23:23,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:23:23,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:23:23,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:23:23,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:23:23,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:23:23,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:23:23,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:23:23,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:23:23,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:23:23,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:23:23,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:23:23,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:23:23,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:23:23,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:23:23,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:23:23,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:23:23,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:23:23,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:23:23,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:23:23,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:23:23,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:23:23,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:23:23,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:23:23,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:23:23,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:23:23,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:23:23,231 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:23:23,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:23:23,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:23:23,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:23,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:23:23,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:23:23,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:23:23,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:23:23,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:23:23,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:23:23,233 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_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b291da6da115062c14f66e51226c64b32b538a6c3d52e3544b8930bfb203253 [2021-11-23 01:23:23,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:23:23,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:23:23,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:23:23,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:23:23,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:23:23,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 01:23:23,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/data/cfd4773d9/32cc1b3d4b0942ce8013d4d43df44c29/FLAG99d1b77a9 [2021-11-23 01:23:24,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:23:24,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2021-11-23 01:23:24,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/data/cfd4773d9/32cc1b3d4b0942ce8013d4d43df44c29/FLAG99d1b77a9 [2021-11-23 01:23:24,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/data/cfd4773d9/32cc1b3d4b0942ce8013d4d43df44c29 [2021-11-23 01:23:24,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:23:24,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:23:24,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:24,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:23:24,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:23:24,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:24" (1/1) ... [2021-11-23 01:23:24,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229960ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:24, skipping insertion in model container [2021-11-23 01:23:24,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:24" (1/1) ... [2021-11-23 01:23:24,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:23:24,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:23:24,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 01:23:24,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:24,983 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:23:25,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/sv-benchmarks/c/eca-rers2012/Problem01_label30.c[21088,21101] [2021-11-23 01:23:25,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:25,159 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:23:25,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25 WrapperNode [2021-11-23 01:23:25,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:25,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:25,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:23:25,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:23:25,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,268 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 01:23:25,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:25,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:23:25,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:23:25,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:23:25,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:23:25,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:23:25,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:23:25,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:23:25,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:25" (1/1) ... [2021-11-23 01:23:25,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:23:25,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:23:25,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:23:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:23:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:23:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:23:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:23:25,560 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:23:25,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:23:26,539 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:23:26,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:23:26,684 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:23:26,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:26 BoogieIcfgContainer [2021-11-23 01:23:26,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:23:26,688 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:23:26,688 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:23:26,698 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:23:26,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:26" (1/1) ... [2021-11-23 01:23:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:23:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-11-23 01:23:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-11-23 01:23:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:23:26,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:26,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2021-11-23 01:23:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2021-11-23 01:23:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:23:27,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 214 states and 297 transitions. [2021-11-23 01:23:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2021-11-23 01:23:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:23:28,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2021-11-23 01:23:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2021-11-23 01:23:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:23:29,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2021-11-23 01:23:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2021-11-23 01:23:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:23:30,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 303 states and 391 transitions. [2021-11-23 01:23:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 391 transitions. [2021-11-23 01:23:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:23:30,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 305 states and 394 transitions. [2021-11-23 01:23:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 394 transitions. [2021-11-23 01:23:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:23:30,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 320 states and 412 transitions. [2021-11-23 01:23:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 412 transitions. [2021-11-23 01:23:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:23:31,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 337 states and 431 transitions. [2021-11-23 01:23:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 431 transitions. [2021-11-23 01:23:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:23:31,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 366 states and 462 transitions. [2021-11-23 01:23:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 462 transitions. [2021-11-23 01:23:32,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:23:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:32,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 414 states and 516 transitions. [2021-11-23 01:23:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 516 transitions. [2021-11-23 01:23:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:23:33,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:23:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 417 states and 520 transitions. [2021-11-23 01:23:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 520 transitions. [2021-11-23 01:23:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:23:33,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 436 states and 540 transitions. [2021-11-23 01:23:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 540 transitions. [2021-11-23 01:23:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:23:34,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 451 states and 557 transitions. [2021-11-23 01:23:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 557 transitions. [2021-11-23 01:23:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:23:34,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:23:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 452 states and 557 transitions. [2021-11-23 01:23:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 557 transitions. [2021-11-23 01:23:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:23:34,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:34,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 491 states and 600 transitions. [2021-11-23 01:23:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 600 transitions. [2021-11-23 01:23:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:23:35,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 565 states and 688 transitions. [2021-11-23 01:23:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 688 transitions. [2021-11-23 01:23:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:23:37,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:37,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 567 states and 691 transitions. [2021-11-23 01:23:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 691 transitions. [2021-11-23 01:23:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:23:38,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 569 states and 692 transitions. [2021-11-23 01:23:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 692 transitions. [2021-11-23 01:23:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 01:23:38,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 571 states and 698 transitions. [2021-11-23 01:23:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 698 transitions. [2021-11-23 01:23:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 01:23:38,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:23:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 573 states and 699 transitions. [2021-11-23 01:23:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 699 transitions. [2021-11-23 01:23:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 01:23:38,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:23:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 575 states and 703 transitions. [2021-11-23 01:23:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 703 transitions. [2021-11-23 01:23:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 01:23:39,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:23:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 600 states and 727 transitions. [2021-11-23 01:23:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 727 transitions. [2021-11-23 01:23:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 01:23:39,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 630 states and 761 transitions. [2021-11-23 01:23:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 761 transitions. [2021-11-23 01:23:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:23:40,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:23:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 669 states and 803 transitions. [2021-11-23 01:23:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 803 transitions. [2021-11-23 01:23:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:23:40,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 748 states and 895 transitions. [2021-11-23 01:23:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 895 transitions. [2021-11-23 01:23:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:23:42,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 01:23:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 750 states and 896 transitions. [2021-11-23 01:23:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 896 transitions. [2021-11-23 01:23:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:23:43,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 833 states and 996 transitions. [2021-11-23 01:23:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 996 transitions. [2021-11-23 01:23:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:23:46,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 850 states and 1013 transitions. [2021-11-23 01:23:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1013 transitions. [2021-11-23 01:23:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:23:46,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:23:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 967 states and 1148 transitions. [2021-11-23 01:23:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1148 transitions. [2021-11-23 01:23:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:23:48,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-23 01:23:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 983 states and 1165 transitions. [2021-11-23 01:23:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1165 transitions. [2021-11-23 01:23:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:23:49,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-23 01:23:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1000 states and 1181 transitions. [2021-11-23 01:23:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1181 transitions. [2021-11-23 01:23:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:23:50,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-23 01:23:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1015 states and 1196 transitions. [2021-11-23 01:23:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1196 transitions. [2021-11-23 01:23:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 01:23:50,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-23 01:23:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1085 states and 1268 transitions. [2021-11-23 01:23:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1268 transitions. [2021-11-23 01:23:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:23:52,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-23 01:23:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1086 states and 1268 transitions. [2021-11-23 01:23:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1268 transitions. [2021-11-23 01:23:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:23:52,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 333 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-23 01:23:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1153 states and 1341 transitions. [2021-11-23 01:23:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1341 transitions. [2021-11-23 01:23:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:23:55,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 333 proven. 27 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-23 01:23:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1170 states and 1358 transitions. [2021-11-23 01:23:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1358 transitions. [2021-11-23 01:23:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 01:23:55,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-23 01:23:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1200 states and 1390 transitions. [2021-11-23 01:23:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1390 transitions. [2021-11-23 01:23:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 01:23:56,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-23 01:23:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1250 states and 1443 transitions. [2021-11-23 01:23:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1443 transitions. [2021-11-23 01:23:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:23:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:58,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:24:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1402 states and 1614 transitions. [2021-11-23 01:24:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1614 transitions. [2021-11-23 01:24:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 01:24:01,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:24:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1490 states and 1711 transitions. [2021-11-23 01:24:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1711 transitions. [2021-11-23 01:24:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 01:24:03,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 400 proven. 88 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:24:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1564 states and 1787 transitions. [2021-11-23 01:24:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1787 transitions. [2021-11-23 01:24:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 01:24:04,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-23 01:24:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1605 states and 1835 transitions. [2021-11-23 01:24:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1835 transitions. [2021-11-23 01:24:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 01:24:05,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 355 proven. 101 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 01:24:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1614 states and 1844 transitions. [2021-11-23 01:24:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1844 transitions. [2021-11-23 01:24:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:24:06,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 452 proven. 47 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:24:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1661 states and 1895 transitions. [2021-11-23 01:24:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1895 transitions. [2021-11-23 01:24:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:24:07,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 453 proven. 24 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 01:24:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1763 states and 2003 transitions. [2021-11-23 01:24:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2003 transitions. [2021-11-23 01:24:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:24:11,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 453 proven. 24 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 01:24:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1780 states and 2020 transitions. [2021-11-23 01:24:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2020 transitions. [2021-11-23 01:24:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-23 01:24:12,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 01:24:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1888 states and 2135 transitions. [2021-11-23 01:24:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2135 transitions. [2021-11-23 01:24:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:24:14,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-23 01:24:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1949 states and 2204 transitions. [2021-11-23 01:24:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2204 transitions. [2021-11-23 01:24:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:24:17,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 533 proven. 110 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-23 01:24:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1954 states and 2210 transitions. [2021-11-23 01:24:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2210 transitions. [2021-11-23 01:24:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-23 01:24:17,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 01:24:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1936 states and 2186 transitions. [2021-11-23 01:24:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2186 transitions. [2021-11-23 01:24:19,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:24:19,676 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2021-11-23 01:24:19,684 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:24:30,281 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2021-11-23 01:24:30,307 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2021-11-23 01:24:30,309 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:24:30,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:24:30 ImpRootNode [2021-11-23 01:24:30,310 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:24:30,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:24:30,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:24:30,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:24:30,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:26" (3/4) ... [2021-11-23 01:24:30,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:24:30,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2021-11-23 01:24:30,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 01:24:30,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:24:30,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:24:30,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:24:30,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:24:30,508 INFO L158 Benchmark]: Toolchain (without parser) took 65939.16ms. Allocated memory was 111.1MB in the beginning and 752.9MB in the end (delta: 641.7MB). Free memory was 81.7MB in the beginning and 521.9MB in the end (delta: -440.2MB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,508 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:30,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.22ms. Allocated memory is still 111.1MB. Free memory was 81.4MB in the beginning and 54.7MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.15ms. Allocated memory is still 111.1MB. Free memory was 54.7MB in the beginning and 49.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,510 INFO L158 Benchmark]: Boogie Preprocessor took 83.06ms. Allocated memory is still 111.1MB. Free memory was 49.0MB in the beginning and 44.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,510 INFO L158 Benchmark]: RCFGBuilder took 1333.67ms. Allocated memory is still 111.1MB. Free memory was 44.4MB in the beginning and 56.6MB in the end (delta: -12.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,510 INFO L158 Benchmark]: CodeCheck took 63622.39ms. Allocated memory was 111.1MB in the beginning and 752.9MB in the end (delta: 641.7MB). Free memory was 56.6MB in the beginning and 536.6MB in the end (delta: -479.9MB). Peak memory consumption was 363.9MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,511 INFO L158 Benchmark]: Witness Printer took 196.93ms. Allocated memory is still 752.9MB. Free memory was 536.6MB in the beginning and 521.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:24:30,512 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, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 51, 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, 85724 SdHoareTripleChecker+Valid, 226.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85281 mSDsluCounter, 10784 SdHoareTripleChecker+Invalid, 190.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9038 mSDsCounter, 25948 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192717 IncrementalHoareTripleChecker+Invalid, 218665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25948 mSolverCounterUnsat, 1746 mSDtfsCounter, 192717 mSolverCounterSat, 2.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69166 GetRequests, 65924 SyntacticMatches, 2744 SemanticMatches, 498 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185695 ImplicationChecksByTransitivity, 35.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 10042 NumberOfCodeBlocks, 10042 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 9992 ConstructedInterpolants, 0 QuantifiedInterpolants, 50580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 27 PerfectInterpolantSequences, 11679/13163 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: 561]: 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: 593]: Loop Invariant Derived loop invariant: ((((((!(a21 == 1) || ((((a12 == 8 && 5 == a16) && a17 == 1) && a20 == 1) && a8 == 15)) || !(a7 == 1)) || ((((a12 == 8 && a8 == 13) && a17 == 1) && a20 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && a8 == 15) && a17 == 0)) || (((a12 == 8 && 14 == a8) && 5 == a16) && a17 == 0)) || ((((!(a20 == 1) && a12 == 8) && 14 == a8) && a17 == 0) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && a8 == 15) && a17 == 0) && a16 == 4) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((!(a21 == 1) || !(a7 == 1)) || ((((a12 == 8 && a8 == 13) && a17 == 1) && a20 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && a8 == 15) && a17 == 0)) || (((a12 == 8 && 14 == a8) && 5 == a16) && a17 == 0)) || ((((!(a20 == 1) && a12 == 8) && 14 == a8) && a17 == 0) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && a8 == 15) && a17 == 0) && a16 == 4) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.22ms. Allocated memory is still 111.1MB. Free memory was 81.4MB in the beginning and 54.7MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.15ms. Allocated memory is still 111.1MB. Free memory was 54.7MB in the beginning and 49.0MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.06ms. Allocated memory is still 111.1MB. Free memory was 49.0MB in the beginning and 44.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1333.67ms. Allocated memory is still 111.1MB. Free memory was 44.4MB in the beginning and 56.6MB in the end (delta: -12.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 63622.39ms. Allocated memory was 111.1MB in the beginning and 752.9MB in the end (delta: 641.7MB). Free memory was 56.6MB in the beginning and 536.6MB in the end (delta: -479.9MB). Peak memory consumption was 363.9MB. Max. memory is 16.1GB. * Witness Printer took 196.93ms. Allocated memory is still 752.9MB. Free memory was 536.6MB in the beginning and 521.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:24:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f267ec-14a8-4adf-8b4c-0dabb283d91f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE