./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:48:43,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:48:43,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:48:43,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:48:43,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:48:43,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:48:43,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:48:43,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:48:43,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:48:43,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:48:43,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:48:43,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:48:43,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:48:43,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:48:43,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:48:43,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:48:43,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:48:43,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:48:43,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:48:43,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:48:43,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:48:43,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:48:43,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:48:43,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:48:43,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:48:43,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:48:43,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:48:43,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:48:43,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:48:43,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:48:43,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:48:43,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:48:43,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:48:43,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:48:43,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:48:43,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:48:43,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:48:43,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:48:43,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:48:43,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:48:43,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:48:43,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:48:43,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:48:43,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:48:43,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:48:43,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:48:43,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:48:43,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:48:43,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:48:43,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:48:43,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:48:43,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:48:43,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:48:43,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:48:43,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:48:43,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:48:43,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:48:43,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:48:43,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:48:43,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:48:43,486 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:48:43,486 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:48:43,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:48:43,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:48:43,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:48:43,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:48:43,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:48:43,487 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:48:43,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:48:43,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:48:43,488 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_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2021-11-13 23:48:43,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:48:43,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:48:43,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:48:43,805 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:48:43,806 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:48:43,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loops/invert_string-3.c [2021-11-13 23:48:43,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/data/d62d6bc44/d83f39815d1847878ce3926f659aa923/FLAG5754f1b9c [2021-11-13 23:48:44,337 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:48:44,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/sv-benchmarks/c/loops/invert_string-3.c [2021-11-13 23:48:44,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/data/d62d6bc44/d83f39815d1847878ce3926f659aa923/FLAG5754f1b9c [2021-11-13 23:48:44,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/data/d62d6bc44/d83f39815d1847878ce3926f659aa923 [2021-11-13 23:48:44,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:48:44,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:48:44,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:48:44,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:48:44,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:48:44,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:44" (1/1) ... [2021-11-13 23:48:44,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8d1ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:44, skipping insertion in model container [2021-11-13 23:48:44,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:48:44" (1/1) ... [2021-11-13 23:48:44,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:48:44,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:48:44,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-13 23:48:44,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:48:44,966 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:48:44,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-13 23:48:44,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:48:45,004 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:48:45,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45 WrapperNode [2021-11-13 23:48:45,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:48:45,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:48:45,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:48:45,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:48:45,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:48:45,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:48:45,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:48:45,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:48:45,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:48:45,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:48:45,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:48:45,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:48:45,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:48:45,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:48:45,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:48:45,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:48:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:48:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:48:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:48:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:48:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:48:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:48:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:48:45,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:48:45,483 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:48:45,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:45 BoogieIcfgContainer [2021-11-13 23:48:45,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:48:45,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:48:45,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:48:45,498 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:48:45,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:45" (1/1) ... [2021-11-13 23:48:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:48:45,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-13 23:48:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-13 23:48:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:48:45,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:45,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:48:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-13 23:48:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-13 23:48:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:48:46,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:46,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 23:48:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 23:48:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:48:46,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:46,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-13 23:48:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-13 23:48:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:48:46,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:46,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-13 23:48:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-13 23:48:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:48:47,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:47,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-13 23:48:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-13 23:48:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:48:48,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:48,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-13 23:48:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-13 23:48:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:48:49,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:49,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:48:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-13 23:48:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-13 23:48:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:48:50,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:50,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:48:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-13 23:48:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-13 23:48:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:48:51,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:51,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:48:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-13 23:48:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-13 23:48:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:48:52,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:52,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:48:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-11-13 23:48:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-13 23:48:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:48:53,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:53,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:48:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-13 23:48:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-13 23:48:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:48:53,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:49:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2021-11-13 23:49:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-11-13 23:49:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:49:00,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:00,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:49:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2021-11-13 23:49:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2021-11-13 23:49:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:49:01,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:01,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:49:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-13 23:49:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-13 23:49:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:49:02,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:02,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:49:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2021-11-13 23:49:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-11-13 23:49:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:49:07,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:07,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:49:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2021-11-13 23:49:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-11-13 23:49:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:49:08,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:08,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:49:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2021-11-13 23:49:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-11-13 23:49:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:49:13,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:13,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:49:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-13 23:49:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-13 23:49:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:49:14,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:14,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:49:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-13 23:49:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-13 23:49:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:49:25,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:25,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:49:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2021-11-13 23:49:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-13 23:49:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:49:26,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2021-11-13 23:49:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2021-11-13 23:49:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:49:43,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:43,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 96 transitions. [2021-11-13 23:50:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 96 transitions. [2021-11-13 23:50:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:50:07,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:07,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2021-11-13 23:50:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2021-11-13 23:50:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:50:09,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:09,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2021-11-13 23:50:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2021-11-13 23:50:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:10,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:10,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2021-11-13 23:50:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2021-11-13 23:50:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:31,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:31,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 74 states and 166 transitions. [2021-11-13 23:50:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 166 transitions. [2021-11-13 23:50:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:33,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:33,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 75 states and 167 transitions. [2021-11-13 23:50:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 167 transitions. [2021-11-13 23:50:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:35,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:35,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 170 transitions. [2021-11-13 23:50:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 170 transitions. [2021-11-13 23:50:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:36,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:36,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 77 states and 175 transitions. [2021-11-13 23:50:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 175 transitions. [2021-11-13 23:50:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:50:37,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:37,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:50:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 80 states and 181 transitions. [2021-11-13 23:50:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 181 transitions. [2021-11-13 23:50:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:50:41,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:41,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-13 23:50:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 81 states and 185 transitions. [2021-11-13 23:50:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 185 transitions. [2021-11-13 23:50:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:50:42,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:42,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-13 23:50:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 84 states and 198 transitions. [2021-11-13 23:50:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 198 transitions. [2021-11-13 23:50:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:50:46,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:46,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-13 23:50:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 85 states and 203 transitions. [2021-11-13 23:50:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 203 transitions. [2021-11-13 23:50:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:50:47,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:47,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:50:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 86 states and 206 transitions. [2021-11-13 23:50:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 206 transitions. [2021-11-13 23:50:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:50:49,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:49,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:50:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 89 states and 213 transitions. [2021-11-13 23:50:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 213 transitions. [2021-11-13 23:50:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:50:53,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:53,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:53,209 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:50:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 215 transitions. [2021-11-13 23:50:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 215 transitions. [2021-11-13 23:50:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:50:54,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 23:50:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 91 states and 217 transitions. [2021-11-13 23:50:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 217 transitions. [2021-11-13 23:50:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:50:55,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:55,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 35 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 23:50:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 92 states and 218 transitions. [2021-11-13 23:50:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 218 transitions. [2021-11-13 23:50:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:50:57,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:57,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 35 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 23:50:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2021-11-13 23:50:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2021-11-13 23:50:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:50:58,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:58,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-13 23:51:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 222 transitions. [2021-11-13 23:51:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 222 transitions. [2021-11-13 23:51:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:51:00,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:00,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-13 23:51:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2021-11-13 23:51:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2021-11-13 23:51:01,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:51:01,843 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 42 iterations. [2021-11-13 23:51:01,851 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-13 23:51:03,969 INFO L560 CodeCheckObserver]: Invariant with dag size 94 [2021-11-13 23:51:04,006 INFO L560 CodeCheckObserver]: Invariant with dag size 114 [2021-11-13 23:51:04,034 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-13 23:51:04,036 INFO L560 CodeCheckObserver]: Invariant with dag size 110 [2021-11-13 23:51:04,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:51:04 ImpRootNode [2021-11-13 23:51:04,059 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:51:04,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:51:04,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:51:04,060 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:51:04,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:48:45" (3/4) ... [2021-11-13 23:51:04,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:51:04,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-13 23:51:04,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-13 23:51:04,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-13 23:51:04,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:51:04,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:51:04,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:51:04,148 INFO L158 Benchmark]: Toolchain (without parser) took 139406.16ms. Allocated memory was 130.0MB in the beginning and 989.9MB in the end (delta: 859.8MB). Free memory was 102.4MB in the beginning and 763.7MB in the end (delta: -661.3MB). Peak memory consumption was 198.4MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,148 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:51:04,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.60ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 106.7MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.88ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,151 INFO L158 Benchmark]: Boogie Preprocessor took 48.34ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 104.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,153 INFO L158 Benchmark]: RCFGBuilder took 364.66ms. Allocated memory is still 130.0MB. Free memory was 103.8MB in the beginning and 91.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,154 INFO L158 Benchmark]: CodeCheck took 138571.52ms. Allocated memory was 130.0MB in the beginning and 989.9MB in the end (delta: 859.8MB). Free memory was 91.6MB in the beginning and 768.9MB in the end (delta: -677.3MB). Peak memory consumption was 606.5MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,158 INFO L158 Benchmark]: Witness Printer took 87.78ms. Allocated memory is still 989.9MB. Free memory was 768.9MB in the beginning and 763.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:51:04,160 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 136.3s, OverallIterations: 42, 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, 2548 SdHoareTripleChecker+Valid, 51474.70ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1953 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 45128.65ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7889 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23070 IncrementalHoareTripleChecker+Invalid, 30959 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7889 mSolverCounterUnsat, 164 mSDtfsCounter, 23070 mSolverCounterSat, 506.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10447 GetRequests, 9117 SyntacticMatches, 644 SemanticMatches, 686 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250727 ImplicationChecksByTransitivity, 125.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 995 NumberOfCodeBlocks, 995 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 16999 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 2 PerfectInterpolantSequences, 1271/2324 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: 7]: 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: 5]: Loop Invariant Derived loop invariant: (((((((((((((((3 <= j && unknown-#memory_int-unknown[str1][3 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 0 < max / 4294967296 + 1) && j <= 3) && 1 <= i + str1) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && max <= i + 4) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][2 + i + str1]) && !(str2 == str1)) && i <= 1) && i + str1 <= 1) || (((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && max <= 2 + i) && i <= 3) && 0 < max / 4294967296 + 1) && 1 <= j) && str2 == 0) && !(str2 == str1))) || ((((((((max <= 2 + i && i == 0) && 0 < max / 4294967296 + 1) && str1 <= 0) && !((j <= 4 && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && 4 <= j)) && str2 == 0) && !(str2 == str1)) && 0 <= str1) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j])) || ((((((((((((max <= 5 && i == 0) && j <= 4) && 0 < max / 4294967296 + 1) && str1 <= 0) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && 0 <= str1) && 4 <= j) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3 + str1]) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j])) || (((((!((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j) && str2 == 0) && !(str2 == str1)) && 0 < max / 4294967296 + 1) && i <= 4) && !(((((i == 0 && str1 <= 0) && str2 == 0) && !(str2 == str1)) && 0 <= str1) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j])) && max <= i + 1) && !((((((3 <= j && j <= 3) && 1 <= i + str1) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && i + str1 <= 1))) || (((((((((max <= 3 + i && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && !((i == 0 && str1 <= 0) && 0 <= str1)) && 0 < max / 4294967296 + 1) && i <= 2) && unknown-#memory_int-unknown[str1][2 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 2 <= j) && str2 == 0) && !(str2 == str1)) && j <= 2) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((!((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][i + str1 + 1] && 2 <= j) && j <= 2) && 0 < max / 4294967296 + 1) && i / 4294967296 <= 0) && max <= i) || ((((((((2 == i + str1 && !((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][i + str1 + 1] && 2 <= j) && j <= 2)) && 0 < max / 4294967296 + 1) && str2 == 0) && i <= 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j)) && max <= i + 1)) || ((((((((((((((max <= 5 && j <= 4) && 0 < max / 4294967296 + 1) && str1 <= 0) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i + str1 <= 0) && 0 <= str1) && 4 <= j) && 0 < i + str1 + 1) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3 + str1]) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j])) || ((((((((0 < max / 4294967296 + 1 && i + str1 == 1) && str2 == 0) && i <= 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j)) && !((3 <= j && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) && max <= i + 1)) || (((!(2 == i + str1) && 0 < max / 4294967296 + 1) && i / 4294967296 <= 0) && max <= i)) || (((((((i == 0 && !(unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j])) && 0 < max / 4294967296 + 1) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i + str1 <= 0) && max <= i + 1)) || ((((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && max <= 2 + i) && i <= 3) && 0 < max / 4294967296 + 1) && 1 <= j) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2])) || (((((((((((3 <= j && unknown-#memory_int-unknown[str1][3 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 0 < max / 4294967296 + 1) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && i + str1 == 1) && str2 == 0) && max <= i + 4) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][2 + i + str1]) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i <= 1)) || (((!((str2 == 0 && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && 0 < max / 4294967296 + 1) && i / 4294967296 <= 0) && max <= i)) || ((((((((((max <= 3 + i && 2 == i + str1) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 0 < max / 4294967296 + 1) && i <= 2) && unknown-#memory_int-unknown[str1][2 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 2 <= j) && str2 == 0) && !(str2 == str1)) && j <= 2) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2])) || (((((((((!(2 == i + str1) && 0 < max / 4294967296 + 1) && !((i == 0 && i + str1 <= 0) && 0 < i + str1 + 1)) && str2 == 0) && i <= 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j)) && max <= i + 1) && !(i + str1 == 1))) || ((((((((((max <= 2 + i && 0 < max / 4294967296 + 1) && str1 <= 0) && !((j <= 4 && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && 4 <= j)) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i + str1 <= 0) && 0 <= str1) && 0 < i + str1 + 1) && unknown-#memory_int-unknown[str1][1] == unknown-#memory_int-unknown[str2][-1 + j]) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((max <= 5 && str1 <= 0) && 5 <= max) && str2 == 0) && !(str2 == str1)) && 0 <= str1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((((((((((((((4294967290 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][(max + 4294967295) / 4294967296 * -4294967296 + max + 4294967294] == unknown-#memory_int-unknown[str1][1]) && str1 <= 0) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][(max + 4294967295) / 4294967296 * -4294967296 + max + 4294967295] == unknown-#memory_int-unknown[str1][0]) && 0 < (max + 4294967295) / 4294967296) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967295) && 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967291 + max) && 0 <= str1) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3 + str1]) || (((((((((((4294967297 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 3 <= j + str2) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && str1 <= 0) && str2 == 0) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && 4294967292 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && 0 <= str1) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967297) && unknown-#memory_int-unknown[str1][3 + str1] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1])) || (((((((((i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967299 && str1 <= 0) && 4294967299 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str2 == 0) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && 0 <= str1) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967294) && max + 4294967294 <= i + 4294967296 * ((max + 4294967295) / 4294967296))) || ((((((((((((unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][(max + 4294967295) / 4294967296 * -4294967296 + i * -1 + max + 4294967294] == unknown-#memory_int-unknown[str1][1] && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && str1 <= 0) && str2 == 0) && 4294967291 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967296) && !(str2 == str1)) && 0 < (max + 4294967295) / 4294967296) && 0 < i + str1 + 1) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][3 + str1] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1]) && max + 4294967295 == i + j + 4294967296 * ((max + 4294967295) / 4294967296) + str2)) || (((((((max <= 5 && max + 4294967295 == i + 4294967296 * ((max + 4294967295) / 4294967296)) && str1 <= 0) && 5 <= max) && str2 == 0) && !(str2 == str1)) && 0 <= str1) && j == 0)) || ((((((((((4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && str1 <= 0) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967298) && 2 <= j) && str2 == 0) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && 0 <= str1) && j + str2 <= 2) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][3 + str1] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.60ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 106.7MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.88ms. Allocated memory is still 130.0MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.34ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 104.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.66ms. Allocated memory is still 130.0MB. Free memory was 103.8MB in the beginning and 91.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 138571.52ms. Allocated memory was 130.0MB in the beginning and 989.9MB in the end (delta: 859.8MB). Free memory was 91.6MB in the beginning and 768.9MB in the end (delta: -677.3MB). Peak memory consumption was 606.5MB. Max. memory is 16.1GB. * Witness Printer took 87.78ms. Allocated memory is still 989.9MB. Free memory was 768.9MB in the beginning and 763.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:51:04,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a14e41e-2883-40c0-8510-076f247911ba/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE