./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak --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 64bit --witnessprinter.graph.data.programhash 3f34751565a9d43a481fab038d13037e70cdccbf ................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:14:09,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:14:09,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:14:09,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:14:09,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:14:09,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:14:09,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:14:09,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:14:09,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:14:09,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:14:09,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:14:09,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:14:09,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:14:09,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:14:09,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:14:09,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:14:09,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:14:09,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:14:09,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:14:09,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:14:09,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:14:09,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:14:09,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:14:09,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:14:09,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:14:09,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:14:09,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:14:09,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:14:09,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:14:09,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:14:09,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:14:09,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:14:09,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:14:09,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:14:09,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:14:09,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:14:09,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:14:09,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:14:09,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:14:09,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:14:09,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:14:09,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2020-12-01 18:14:09,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:14:09,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:14:09,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:14:09,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:14:09,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:14:09,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:14:09,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:14:09,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:14:09,666 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:14:09,667 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:14:09,668 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:14:09,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:14:09,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:14:09,669 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:14:09,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:14:09,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:14:09,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:14:09,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:14:09,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:14:09,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:14:09,671 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:14:09,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:14:09,672 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-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f34751565a9d43a481fab038d13037e70cdccbf [2020-12-01 18:14:10,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:14:10,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:14:10,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:14:10,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:14:10,083 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:14:10,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-12-01 18:14:10,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/data/935d0bcc0/614c01446ded4baf9c0e10772b7926e7/FLAG1acc44118 [2020-12-01 18:14:10,945 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:14:10,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-12-01 18:14:10,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/data/935d0bcc0/614c01446ded4baf9c0e10772b7926e7/FLAG1acc44118 [2020-12-01 18:14:11,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/data/935d0bcc0/614c01446ded4baf9c0e10772b7926e7 [2020-12-01 18:14:11,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:14:11,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:14:11,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:14:11,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:14:11,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:14:11,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d8943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11, skipping insertion in model container [2020-12-01 18:14:11,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:14:11,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:14:11,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:14:11,591 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:14:11,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:14:11,626 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:14:11,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11 WrapperNode [2020-12-01 18:14:11,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:14:11,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:14:11,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:14:11,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:14:11,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:14:11,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:14:11,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:14:11,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:14:11,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... [2020-12-01 18:14:11,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:14:11,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:14:11,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:14:11,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:14:11,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:14:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:14:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:14:11,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:14:11,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:14:11,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:14:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:14:11,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:14:12,120 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:14:12,121 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 18:14:12,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:14:12 BoogieIcfgContainer [2020-12-01 18:14:12,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:14:12,125 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:14:12,126 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:14:12,161 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:14:12,176 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:14:12" (1/1) ... [2020-12-01 18:14:12,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:14:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-12-01 18:14:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-12-01 18:14:12,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:14:12,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-12-01 18:14:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-12-01 18:14:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:14:12,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-12-01 18:14:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-12-01 18:14:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:14:12,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2020-12-01 18:14:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-01 18:14:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:14:12,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2020-12-01 18:14:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-12-01 18:14:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 18:14:13,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2020-12-01 18:14:13,474 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-01 18:14:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:14:13,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-12-01 18:14:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-12-01 18:14:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:14:14,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-12-01 18:14:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-01 18:14:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:14:14,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-12-01 18:14:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-12-01 18:14:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:14:14,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:14,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-12-01 18:14:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-01 18:14:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:14:14,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2020-12-01 18:14:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2020-12-01 18:14:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:14:14,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:14:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-01 18:14:15,915 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-01 18:14:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:14:15,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:14:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2020-12-01 18:14:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-01 18:14:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:14:16,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:14:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-12-01 18:14:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-01 18:14:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:14:16,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:14:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:14:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:14:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:14:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2020-12-01 18:14:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-12-01 18:14:16,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:14:16,570 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2020-12-01 18:14:16,577 INFO L765 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2020-12-01 18:14:16,721 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 18:14:16,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 18:14:16,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 18:14:16,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 18:14:16,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 18:14:16,738 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 18:14:16,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:14:16 ImpRootNode [2020-12-01 18:14:16,740 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:14:16,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:14:16,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:14:16,741 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:14:16,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:14:12" (3/4) ... [2020-12-01 18:14:16,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:14:16,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 18:14:16,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:14:16,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:14:16,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p == 0 && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1 [2020-12-01 18:14:16,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 18:14:16,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4c06a6c-2f40-47ac-86ce-71794cdcb0f3/bin/ukojak/witness.graphml [2020-12-01 18:14:16,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:14:16,851 INFO L168 Benchmark]: Toolchain (without parser) took 5537.35 ms. Allocated memory was 111.1 MB in the beginning and 163.6 MB in the end (delta: 52.4 MB). Free memory was 81.9 MB in the beginning and 117.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,853 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 77.6 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:14:16,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.59 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 89.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 87.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:14:16,855 INFO L168 Benchmark]: Boogie Preprocessor took 27.87 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,856 INFO L168 Benchmark]: RCFGBuilder took 423.52 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 72.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,856 INFO L168 Benchmark]: CodeCheck took 4614.88 ms. Allocated memory was 111.1 MB in the beginning and 163.6 MB in the end (delta: 52.4 MB). Free memory was 72.6 MB in the beginning and 121.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,857 INFO L168 Benchmark]: Witness Printer took 97.90 ms. Allocated memory is still 163.6 MB. Free memory was 121.0 MB in the beginning and 117.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:14:16,861 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, 20 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20480 SDtfs, 30312 SDslu, 33120 SDs, 0 SdLazy, 148264 SolverSat, 65584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 579 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 2435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 7/7 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: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-12-01 18:14:16,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 18:14:16,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 18:14:16,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 18:14:16,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((p == 0 && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1 - InvariantResult [Line: 13]: Loop Invariant [2020-12-01 18:14:16,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 18:14:16,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 77.6 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.59 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 89.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.34 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 87.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.87 ms. Allocated memory is still 111.1 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 423.52 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 72.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 4614.88 ms. Allocated memory was 111.1 MB in the beginning and 163.6 MB in the end (delta: 52.4 MB). Free memory was 72.6 MB in the beginning and 121.0 MB in the end (delta: -48.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Witness Printer took 97.90 ms. Allocated memory is still 163.6 MB. Free memory was 121.0 MB in the beginning and 117.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...