./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:27:01,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:27:01,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:27:01,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:27:01,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:27:01,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:27:01,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:27:01,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:27:01,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:27:01,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:27:01,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:27:01,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:27:01,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:27:01,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:27:01,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:27:01,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:27:01,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:27:01,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:27:01,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:27:01,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:27:01,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:27:01,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:27:01,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:27:01,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:27:01,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:27:01,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:27:01,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:27:01,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:27:01,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:27:01,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:27:01,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:27:01,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:27:01,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:27:01,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:27:01,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:27:01,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:27:01,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:27:01,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:27:01,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:27:01,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:27:01,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:27:01,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:27:01,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:27:01,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:27:01,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:27:01,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:27:01,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:27:01,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:27:01,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:27:01,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:27:01,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:27:01,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:27:01,682 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:27:01,683 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:27:01,683 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:27:01,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:27:01,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:27:01,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:27:01,684 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:27:01,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:27:01,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:27:01,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:01,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:27:01,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:27:01,686 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:27:01,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:27:01,686 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_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 [2021-10-29 04:27:01,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:27:02,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:27:02,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:27:02,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:27:02,009 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:27:02,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-10-29 04:27:02,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/data/a43c9a0ed/b421bdc968c643e4a99a1aa8237e4104/FLAG8d8e64da2 [2021-10-29 04:27:02,753 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:27:02,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-10-29 04:27:02,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/data/a43c9a0ed/b421bdc968c643e4a99a1aa8237e4104/FLAG8d8e64da2 [2021-10-29 04:27:03,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/data/a43c9a0ed/b421bdc968c643e4a99a1aa8237e4104 [2021-10-29 04:27:03,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:27:03,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:27:03,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:03,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:27:03,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:27:03,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adecb5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03, skipping insertion in model container [2021-10-29 04:27:03,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:27:03,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:27:03,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:03,421 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:27:03,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:03,484 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:27:03,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03 WrapperNode [2021-10-29 04:27:03,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:03,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:03,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:27:03,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:27:03,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:03,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:27:03,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:27:03,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:27:03,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:27:03,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:27:03,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:27:03,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:27:03,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:03,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:27:03,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:27:03,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:27:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:27:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:27:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:27:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:27:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:27:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:27:03,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:27:03,978 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 04:27:03,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:03 BoogieIcfgContainer [2021-10-29 04:27:03,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:27:03,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:27:03,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:27:03,990 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:27:03,991 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:03" (1/1) ... [2021-10-29 04:27:03,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:27:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-29 04:27:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-29 04:27:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:27:04,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:04,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:04,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-10-29 04:27:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-29 04:27:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:27:04,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:04,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-29 04:27:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-29 04:27:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:27:04,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:04,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-10-29 04:27:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-29 04:27:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:27:04,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:04,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2021-10-29 04:27:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2021-10-29 04:27:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:27:05,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:05,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-29 04:27:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-29 04:27:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:27:06,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:06,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 04:27:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 04:27:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:27:06,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:06,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2021-10-29 04:27:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2021-10-29 04:27:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:27:07,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:07,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-10-29 04:27:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-10-29 04:27:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:27:07,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:07,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:27:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-10-29 04:27:08,189 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-10-29 04:27:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:27:08,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:08,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:27:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2021-10-29 04:27:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2021-10-29 04:27:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:27:09,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:09,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2021-10-29 04:27:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2021-10-29 04:27:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:27:11,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:11,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:27:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2021-10-29 04:27:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2021-10-29 04:27:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:27:11,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:11,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2021-10-29 04:27:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2021-10-29 04:27:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:12,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:12,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2021-10-29 04:27:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2021-10-29 04:27:13,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:13,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:13,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2021-10-29 04:27:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2021-10-29 04:27:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:16,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:16,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:27:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2021-10-29 04:27:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2021-10-29 04:27:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:16,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:16,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2021-10-29 04:27:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2021-10-29 04:27:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:27:17,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:17,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 87 transitions. [2021-10-29 04:27:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2021-10-29 04:27:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:27:20,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:20,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2021-10-29 04:27:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2021-10-29 04:27:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:27:23,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:23,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:27:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2021-10-29 04:27:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2021-10-29 04:27:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:27:23,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:23,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 04:27:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2021-10-29 04:27:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2021-10-29 04:27:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:27:27,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:27,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 04:27:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2021-10-29 04:27:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-10-29 04:27:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:27:29,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:29,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2021-10-29 04:27:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2021-10-29 04:27:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:27:31,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:31,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 04:27:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-10-29 04:27:31,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-29 04:27:31,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:27:31,836 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2021-10-29 04:27:31,843 INFO L759 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2021-10-29 04:27:32,232 INFO L565 CodeCheckObserver]: Invariant with dag size 32 [2021-10-29 04:27:32,256 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:27:32,256 INFO L565 CodeCheckObserver]: Invariant with dag size 28 [2021-10-29 04:27:32,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:27:32 ImpRootNode [2021-10-29 04:27:32,262 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:27:32,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:27:32,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:27:32,263 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:27:32,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:03" (3/4) ... [2021-10-29 04:27:32,267 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:27:32,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-29 04:27:32,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:27:32,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:27:32,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0 && unknown-#length-unknown[numbers] == 4 * array_size) && 1 <= i) && \valid[numbers] == 1) && 1 <= array_size) && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i <= 1) || ((((((\old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0 && unknown-#length-unknown[numbers] == 4 * array_size) && \valid[numbers] == 1) && 1 <= array_size) && numbers == 0) && i == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]])) || ((((((1 < i && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && 2 <= array_size) && unknown-#length-unknown[numbers] == 4 * array_size) && \valid[numbers] == 1) && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) [2021-10-29 04:27:32,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == numbers && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && 1 <= i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) || (((array_size <= i && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]])) || (((((0 == numbers && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && 0 == i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) [2021-10-29 04:27:32,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:27:32,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:27:32,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:27:32,345 INFO L168 Benchmark]: Toolchain (without parser) took 29301.87 ms. Allocated memory was 86.0 MB in the beginning and 220.2 MB in the end (delta: 134.2 MB). Free memory was 46.6 MB in the beginning and 178.7 MB in the end (delta: -132.2 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,346 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 120.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:27:32,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.86 ms. Allocated memory is still 86.0 MB. Free memory was 46.4 MB in the beginning and 55.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.47 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,347 INFO L168 Benchmark]: Boogie Preprocessor took 25.66 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 52.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,348 INFO L168 Benchmark]: RCFGBuilder took 424.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 39.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,351 INFO L168 Benchmark]: CodeCheck took 28281.45 ms. Allocated memory was 86.0 MB in the beginning and 220.2 MB in the end (delta: 134.2 MB). Free memory was 39.0 MB in the beginning and 181.8 MB in the end (delta: -142.9 MB). Peak memory consumption was 92.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,354 INFO L168 Benchmark]: Witness Printer took 80.87 ms. Allocated memory is still 220.2 MB. Free memory was 181.8 MB in the beginning and 178.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:27:32,357 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, 12 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 27.8s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 37748736 SDtfs, 37749156 SDslu, 16777216 SDs, 0 SdLazy, 258394220 SolverSat, 90205256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2417 GetRequests, 2030 SyntacticMatches, 87 SemanticMatches, 300 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38659 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 68/137 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: 533]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 533]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((\old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0 && unknown-#length-unknown[numbers] == 4 * array_size) && 1 <= i) && \valid[numbers] == 1) && 1 <= array_size) && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i <= 1) || ((((((\old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0 && unknown-#length-unknown[numbers] == 4 * array_size) && \valid[numbers] == 1) && 1 <= array_size) && numbers == 0) && i == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]])) || ((((((1 < i && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && 2 <= array_size) && unknown-#length-unknown[numbers] == 4 * array_size) && \valid[numbers] == 1) && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((0 == numbers && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && 1 <= i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) || (((array_size <= i && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]])) || (((((0 == numbers && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == 0) && \valid[numbers] == 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && 0 == i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 120.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.86 ms. Allocated memory is still 86.0 MB. Free memory was 46.4 MB in the beginning and 55.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.47 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.66 ms. Allocated memory is still 86.0 MB. Free memory was 53.9 MB in the beginning and 52.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 424.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 39.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 28281.45 ms. Allocated memory was 86.0 MB in the beginning and 220.2 MB in the end (delta: 134.2 MB). Free memory was 39.0 MB in the beginning and 181.8 MB in the end (delta: -142.9 MB). Peak memory consumption was 92.7 MB. Max. memory is 16.1 GB. * Witness Printer took 80.87 ms. Allocated memory is still 220.2 MB. Free memory was 181.8 MB in the beginning and 178.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:27:32,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5761b7e4-220a-4bb1-9130-ce60a425d61f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...