./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:08:51,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:08:51,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:08:51,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:08:51,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:08:51,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:08:51,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:08:51,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:08:51,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:08:51,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:08:51,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:08:51,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:08:51,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:08:51,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:08:51,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:08:51,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:08:51,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:08:51,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:08:51,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:08:51,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:08:51,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:08:51,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:08:51,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:08:51,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:08:51,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:08:51,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:08:51,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:08:51,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:08:51,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:08:51,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:08:51,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:08:51,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:08:51,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:08:51,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:08:51,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:08:51,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:08:51,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:08:51,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:08:51,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:08:51,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:08:51,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:08:51,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:08:51,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:08:51,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:08:51,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:08:51,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:08:51,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:08:51,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:08:51,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:08:51,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:08:51,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:08:51,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:08:51,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:08:51,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:08:51,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:08:51,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:08:51,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:08:51,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:08:51,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:08:51,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:08:51,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:08:51,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:08:51,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:08:51,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:08:51,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:08:51,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:08:51,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:08:51,570 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:08:51,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:08:51,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:08:51,571 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_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2021-11-25 07:08:51,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:08:51,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:08:51,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:08:51,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:08:51,904 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:08:51,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-25 07:08:51,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/data/8c7f1cf3f/49e0e74e433940eea7f150b35371061b/FLAG8c06ec9a8 [2021-11-25 07:08:52,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:08:52,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-25 07:08:52,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/data/8c7f1cf3f/49e0e74e433940eea7f150b35371061b/FLAG8c06ec9a8 [2021-11-25 07:08:52,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/data/8c7f1cf3f/49e0e74e433940eea7f150b35371061b [2021-11-25 07:08:52,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:08:52,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:08:52,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:08:52,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:08:52,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:08:52,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:08:52" (1/1) ... [2021-11-25 07:08:52,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e625c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:52, skipping insertion in model container [2021-11-25 07:08:52,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:08:52" (1/1) ... [2021-11-25 07:08:52,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:08:52,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:08:53,015 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_765e58ad-aa49-44a9-aab0-f8d0b91c9046/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-25 07:08:53,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:08:53,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:08:53,096 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_765e58ad-aa49-44a9-aab0-f8d0b91c9046/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-25 07:08:53,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:08:53,131 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:08:53,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53 WrapperNode [2021-11-25 07:08:53,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:08:53,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:08:53,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:08:53,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:08:53,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,180 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2021-11-25 07:08:53,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:08:53,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:08:53,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:08:53,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:08:53,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:08:53,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:08:53,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:08:53,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:08:53,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:08:53,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:08:53,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:08:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:08:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:08:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:08:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:08:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:08:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:08:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:08:53,378 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:08:53,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:08:53,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:08:53,561 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:08:53,571 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:08:53,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:08:53 BoogieIcfgContainer [2021-11-25 07:08:53,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:08:53,575 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:08:53,575 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:08:53,586 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:08:53,586 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:08:53" (1/1) ... [2021-11-25 07:08:53,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:08:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-11-25 07:08:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-11-25 07:08:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:08:53,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:53,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-11-25 07:08:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-11-25 07:08:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:08:53,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:53,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:53,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2021-11-25 07:08:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2021-11-25 07:08:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:08:54,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-11-25 07:08:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-25 07:08:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:08:54,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2021-11-25 07:08:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-11-25 07:08:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:08:54,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2021-11-25 07:08:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2021-11-25 07:08:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:08:54,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2021-11-25 07:08:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-11-25 07:08:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:08:54,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:54,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:08:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2021-11-25 07:08:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-11-25 07:08:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:08:55,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2021-11-25 07:08:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-11-25 07:08:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:08:55,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2021-11-25 07:08:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-25 07:08:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:08:55,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2021-11-25 07:08:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-25 07:08:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:08:55,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2021-11-25 07:08:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-25 07:08:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:08:55,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2021-11-25 07:08:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-25 07:08:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:08:55,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2021-11-25 07:08:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2021-11-25 07:08:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:08:55,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:08:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2021-11-25 07:08:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-11-25 07:08:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:08:55,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2021-11-25 07:08:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-11-25 07:08:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:08:55,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:55,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2021-11-25 07:08:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-25 07:08:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:08:56,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2021-11-25 07:08:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2021-11-25 07:08:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:08:56,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2021-11-25 07:08:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-11-25 07:08:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:08:56,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2021-11-25 07:08:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-11-25 07:08:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:08:56,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:56,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2021-11-25 07:08:57,073 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-11-25 07:08:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:08:57,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:08:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2021-11-25 07:08:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2021-11-25 07:08:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:08:57,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 07:08:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2021-11-25 07:08:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2021-11-25 07:08:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:08:57,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 07:08:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2021-11-25 07:08:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2021-11-25 07:08:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:08:57,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 07:08:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2021-11-25 07:08:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2021-11-25 07:08:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:08:57,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-25 07:08:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2021-11-25 07:08:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-11-25 07:08:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:08:57,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:57,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 07:08:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2021-11-25 07:08:58,042 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-11-25 07:08:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:08:58,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 07:08:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2021-11-25 07:08:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2021-11-25 07:08:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:08:58,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 07:08:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2021-11-25 07:08:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-11-25 07:08:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 07:08:58,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 07:08:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2021-11-25 07:08:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-11-25 07:08:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 07:08:58,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-25 07:08:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2021-11-25 07:08:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2021-11-25 07:08:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 07:08:58,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:58,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:08:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2021-11-25 07:08:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-11-25 07:08:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:08:59,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:08:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2021-11-25 07:08:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2021-11-25 07:08:59,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:08:59,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:08:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2021-11-25 07:08:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-11-25 07:08:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:08:59,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:08:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2021-11-25 07:08:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-11-25 07:08:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:08:59,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:08:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2021-11-25 07:08:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-11-25 07:08:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:08:59,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:08:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:08:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2021-11-25 07:08:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-11-25 07:08:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:08:59,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:08:59,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:08:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:08:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 07:09:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2021-11-25 07:09:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2021-11-25 07:09:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:09:00,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:09:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2021-11-25 07:09:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-11-25 07:09:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:09:00,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:09:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2021-11-25 07:09:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-11-25 07:09:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 07:09:00,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-25 07:09:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2021-11-25 07:09:00,336 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-11-25 07:09:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 07:09:00,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 07:09:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2021-11-25 07:09:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2021-11-25 07:09:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 07:09:00,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 07:09:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2021-11-25 07:09:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-11-25 07:09:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 07:09:00,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-25 07:09:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2021-11-25 07:09:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2021-11-25 07:09:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 07:09:00,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-25 07:09:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2021-11-25 07:09:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2021-11-25 07:09:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 07:09:00,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 07:09:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2021-11-25 07:09:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2021-11-25 07:09:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 07:09:00,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:00,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 07:09:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2021-11-25 07:09:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2021-11-25 07:09:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 07:09:01,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 07:09:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2021-11-25 07:09:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-11-25 07:09:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 07:09:01,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-25 07:09:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2021-11-25 07:09:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-11-25 07:09:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 07:09:01,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 07:09:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2021-11-25 07:09:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-11-25 07:09:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 07:09:01,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-25 07:09:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2021-11-25 07:09:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2021-11-25 07:09:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 07:09:01,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-25 07:09:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2021-11-25 07:09:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2021-11-25 07:09:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:09:01,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:09:01,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:09:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:09:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-25 07:09:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:09:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2021-11-25 07:09:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-25 07:09:01,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:09:01,582 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2021-11-25 07:09:01,597 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-25 07:09:01,822 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:09:01,826 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:09:01,826 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:09:01,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:09:01 ImpRootNode [2021-11-25 07:09:01,826 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:09:01,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:09:01,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:09:01,827 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:09:01,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:08:53" (3/4) ... [2021-11-25 07:09:01,830 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:09:01,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-25 07:09:01,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-25 07:09:01,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 07:09:01,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:09:01,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:09:01,904 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:09:01,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:09:01,905 INFO L158 Benchmark]: Toolchain (without parser) took 9100.49ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 46.8MB in the beginning and 60.8MB in the end (delta: -14.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,906 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:09:01,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.65ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 46.6MB in the beginning and 90.3MB in the end (delta: -43.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.39ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,907 INFO L158 Benchmark]: Boogie Preprocessor took 46.73ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 87.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,908 INFO L158 Benchmark]: RCFGBuilder took 344.41ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 76.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,908 INFO L158 Benchmark]: CodeCheck took 8251.74ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 76.1MB in the beginning and 64.0MB in the end (delta: 12.2MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,908 INFO L158 Benchmark]: Witness Printer took 77.84ms. Allocated memory is still 138.4MB. Free memory was 64.0MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:09:01,910 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 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 53, 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, 12266 SdHoareTripleChecker+Valid, 24.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22215 GetRequests, 21683 SyntacticMatches, 414 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7927 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2128/2250 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.65ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 46.6MB in the beginning and 90.3MB in the end (delta: -43.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.39ms. Allocated memory is still 115.3MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.73ms. Allocated memory is still 115.3MB. Free memory was 88.7MB in the beginning and 87.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.41ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 76.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8251.74ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 76.1MB in the beginning and 64.0MB in the end (delta: 12.2MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 77.84ms. Allocated memory is still 138.4MB. Free memory was 64.0MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:09:01,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_765e58ad-aa49-44a9-aab0-f8d0b91c9046/bin/ukojak-d1pc8ZmBRL/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