./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/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 f2a8d3919c0496882213752e07135061fdbafdf6 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 14:22:00,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:22:00,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:22:00,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:22:00,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:22:00,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:22:00,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:22:00,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:22:00,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:22:00,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:22:00,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:22:00,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:22:00,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:22:00,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:22:00,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:22:00,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:22:00,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:22:00,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:22:00,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:22:00,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:22:00,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:22:00,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:22:00,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:22:00,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:22:00,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:22:00,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:22:00,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:22:00,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:22:00,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:22:00,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:22:00,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:22:00,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:22:00,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:22:00,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:22:00,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:22:00,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:22:00,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:22:00,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:22:00,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:22:00,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:22:00,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:22:00,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2019-12-01 14:22:00,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:22:00,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:22:00,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:22:00,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 14:22:00,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 14:22:00,187 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 14:22:00,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:22:00,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:22:00,187 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:22:00,187 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:22:00,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:22:00,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:22:00,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:22:00,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:22:00,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:22:00,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:22:00,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:22:00,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_98c2887b-626f-4bb2-9872-d08fbe43d8ad/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 -> f2a8d3919c0496882213752e07135061fdbafdf6 [2019-12-01 14:22:00,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:22:00,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:22:00,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:22:00,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:22:00,302 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:22:00,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-12-01 14:22:00,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/data/c5a129ef5/f6c32b4829d940d49b879eb97ab67ed7/FLAGdb37b9b94 [2019-12-01 14:22:00,707 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:22:00,707 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2019-12-01 14:22:00,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/data/c5a129ef5/f6c32b4829d940d49b879eb97ab67ed7/FLAGdb37b9b94 [2019-12-01 14:22:01,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/data/c5a129ef5/f6c32b4829d940d49b879eb97ab67ed7 [2019-12-01 14:22:01,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:22:01,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:22:01,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:22:01,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:22:01,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:22:01,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5441ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01, skipping insertion in model container [2019-12-01 14:22:01,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:22:01,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:22:01,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:22:01,206 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:22:01,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:22:01,257 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:22:01,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01 WrapperNode [2019-12-01 14:22:01,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:22:01,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:22:01,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:22:01,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:22:01,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:22:01,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:22:01,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:22:01,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:22:01,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:22:01,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:22:01,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:22:01,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:22:01,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:22:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/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 [2019-12-01 14:22:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 14:22:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 14:22:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:22:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:22:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 14:22:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 14:22:01,496 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:22:01,496 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 14:22:01,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:22:01 BoogieIcfgContainer [2019-12-01 14:22:01,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:22:01,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:22:01,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:22:01,505 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:22:01,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:22:01" (1/1) ... [2019-12-01 14:22:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:22:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2019-12-01 14:22:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-12-01 14:22:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 14:22:01,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2019-12-01 14:22:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-12-01 14:22:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 14:22:01,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2019-12-01 14:22:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-12-01 14:22:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 14:22:01,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:01,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-12-01 14:22:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-12-01 14:22:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 14:22:01,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-01 14:22:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-01 14:22:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 14:22:01,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2019-12-01 14:22:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-12-01 14:22:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 14:22:02,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2019-12-01 14:22:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-12-01 14:22:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 14:22:02,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2019-12-01 14:22:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-12-01 14:22:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 14:22:02,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2019-12-01 14:22:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2019-12-01 14:22:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 14:22:02,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2019-12-01 14:22:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-12-01 14:22:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 14:22:02,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2019-12-01 14:22:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-12-01 14:22:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 14:22:02,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2019-12-01 14:22:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-12-01 14:22:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 14:22:02,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:22:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2019-12-01 14:22:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-12-01 14:22:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 14:22:03,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:22:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2019-12-01 14:22:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-12-01 14:22:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 14:22:03,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:22:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-12-01 14:22:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-01 14:22:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 14:22:03,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:22:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:22:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:22:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:22:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-01 14:22:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-01 14:22:03,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:22:03,313 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-12-01 14:22:03,320 INFO L765 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2019-12-01 14:22:03,374 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 14:22:03,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 14:22:03,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-12-01 14:22:03,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 14:22:03,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-12-01 14:22:03,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,383 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 14:22:03,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:22:03 ImpRootNode [2019-12-01 14:22:03,384 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:22:03,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:22:03,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:22:03,385 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:22:03,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:22:01" (3/4) ... [2019-12-01 14:22:03,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:22:03,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 14:22:03,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 14:22:03,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 14:22:03,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((p + 4 <= unknown-#length-unknown[p] && p + 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[p]) && \old(unknown-main_\old_#valid-unknown) == \valid[p := 0]) && p <= 0) && 0 < p + 1 [2019-12-01 14:22:03,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-01 14:22:03,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_98c2887b-626f-4bb2-9872-d08fbe43d8ad/bin/ukojak/witness.graphml [2019-12-01 14:22:03,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:22:03,424 INFO L168 Benchmark]: Toolchain (without parser) took 2337.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 944.7 MB in the beginning and 968.0 MB in the end (delta: -23.3 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,424 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:22:03,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:22:03,425 INFO L168 Benchmark]: Boogie Preprocessor took 14.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,425 INFO L168 Benchmark]: RCFGBuilder took 202.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,426 INFO L168 Benchmark]: CodeCheck took 1886.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 974.9 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,426 INFO L168 Benchmark]: Witness Printer took 37.89 ms. Allocated memory is still 1.1 GB. Free memory was 974.9 MB in the beginning and 968.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-01 14:22:03,428 INFO L335 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, 23 locations, 12 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10240 SDtfs, 38652 SDslu, 17168 SDs, 0 SdLazy, 261464 SolverSat, 131120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 617 SyntacticMatches, 18 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 6/6 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: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference 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: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: 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: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 17]: 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant [2019-12-01 14:22:03,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 14:22:03,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-12-01 14:22:03,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 14:22:03,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-12-01 14:22:03,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((p + 4 <= unknown-#length-unknown[p] && p + 1 <= unknown-#StackHeapBarrier-unknown) && 1 == \valid[p]) && \old(unknown-main_\old_#valid-unknown) == \valid[p := 0]) && p <= 0) && 0 < p + 1 - InvariantResult [Line: 13]: Loop Invariant [2019-12-01 14:22:03,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 14:22:03,431 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1886.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 974.9 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.89 ms. Allocated memory is still 1.1 GB. Free memory was 974.9 MB in the beginning and 968.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...