./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/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 32bit --witnessprinter.graph.data.programhash 822411a57a10ce043cb0121fce52bdc7e9506783 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:55,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:55,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:55,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:55,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:55,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:55,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:55,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:55,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:55,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:55,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:55,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:55,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:55,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:55,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:55,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:55,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:55,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:55,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:55,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:55,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:55,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:55,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:55,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:55,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:55,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:55,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:55,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:55,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:55,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:55,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:55,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:55,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:55,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:55,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:55,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:55,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:55,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:55,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:55,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:55,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:55,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:13:55,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:55,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:55,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:55,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:55,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:55,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:55,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:13:55,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:55,832 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:55,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:55,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:55,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:55,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:55,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:55,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:55,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:55,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:55,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:55,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:55,838 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/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2019-10-22 10:13:55,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:55,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:55,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:55,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:55,893 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:55,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-10-22 10:13:55,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/data/230d52aa5/e039daf970974e87a3f2e73b23691ccd/FLAG8d54a1232 [2019-10-22 10:13:56,376 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:56,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2019-10-22 10:13:56,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/data/230d52aa5/e039daf970974e87a3f2e73b23691ccd/FLAG8d54a1232 [2019-10-22 10:13:56,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/data/230d52aa5/e039daf970974e87a3f2e73b23691ccd [2019-10-22 10:13:56,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:56,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:56,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:56,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:56,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:56,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:56" (1/1) ... [2019-10-22 10:13:56,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c17d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:56, skipping insertion in model container [2019-10-22 10:13:56,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:56" (1/1) ... [2019-10-22 10:13:56,755 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:56,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:57,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:57,184 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:57,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:57,278 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57 WrapperNode [2019-10-22 10:13:57,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:57,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:57,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:57,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:57,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:57,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:57,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:57,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:57,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:57,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:57,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:57,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:57,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/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 [2019-10-22 10:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:13:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:57,706 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:57,706 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:13:57,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:57 BoogieIcfgContainer [2019-10-22 10:13:57,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:57,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:57,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:57,718 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:57,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:57" (1/1) ... [2019-10-22 10:13:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-10-22 10:13:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-10-22 10:13:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:13:57,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-10-22 10:13:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-10-22 10:13:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:57,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-10-22 10:13:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-10-22 10:13:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:57,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2019-10-22 10:13:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-10-22 10:13:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:58,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-10-22 10:13:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-10-22 10:13:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:58,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2019-10-22 10:13:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2019-10-22 10:13:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:59,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2019-10-22 10:14:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2019-10-22 10:14:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:14:01,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:14:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2019-10-22 10:14:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2019-10-22 10:14:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:01,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:14:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2019-10-22 10:14:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2019-10-22 10:14:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:03,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:14:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2019-10-22 10:14:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2019-10-22 10:14:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:03,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:14:04,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2019-10-22 10:14:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2019-10-22 10:14:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:04,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2019-10-22 10:14:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2019-10-22 10:14:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:09,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 86 transitions. [2019-10-22 10:14:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2019-10-22 10:14:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:10,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:14:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2019-10-22 10:14:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2019-10-22 10:14:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:10,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 87 transitions. [2019-10-22 10:14:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2019-10-22 10:14:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:11,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:14:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2019-10-22 10:14:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2019-10-22 10:14:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:14:12,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:14:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2019-10-22 10:14:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2019-10-22 10:14:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:14:12,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2019-10-22 10:14:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2019-10-22 10:14:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:14:14,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2019-10-22 10:14:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-10-22 10:14:15,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:15,028 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2019-10-22 10:14:15,037 INFO L771 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2019-10-22 10:14:15,254 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:14:15,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,262 INFO L575 CodeCheckObserver]: Invariant with dag size 43 [2019-10-22 10:14:15,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:15 ImpRootNode [2019-10-22 10:14:15,273 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:15,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:15,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:15,274 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:15,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:57" (3/4) ... [2019-10-22 10:14:15,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:15,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:14:15,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:14:15,286 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:15,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-10-22 10:14:15,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && ((length <= 0 && 0 <= length) || ((1 <= p && length + p <= unknown-#length-unknown[p]) && 0 <= length))) || ((((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && length <= 2147483647) && 0 == p) && length <= unknown-#length-unknown[p]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && 1 <= length)) || ((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && 2 <= p) && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + p + 4294967295) / 4294967296) <= length) [2019-10-22 10:14:15,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03243456-cd1e-45fe-97f5-acc687f59456/bin/ukojak/witness.graphml [2019-10-22 10:14:15,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:15,324 INFO L168 Benchmark]: Toolchain (without parser) took 18582.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 402.7 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -104.0 MB). Peak memory consumption was 298.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,324 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:15,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,325 INFO L168 Benchmark]: Boogie Preprocessor took 23.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,326 INFO L168 Benchmark]: RCFGBuilder took 365.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,326 INFO L168 Benchmark]: CodeCheck took 17565.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 297.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,327 INFO L168 Benchmark]: Witness Printer took 48.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:15,329 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, 11 locations, 3 error locations. Result: SAFE, OverallTime: 17.2s, OverallIterations: 19, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 983040 SDtfs, 458752 SDslu, 528384 SDs, 0 SdLazy, 3469844 SolverSat, 1371700 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1839 GetRequests, 1572 SyntacticMatches, 63 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16065 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 19224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 46/116 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: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 519]: Loop Invariant [2019-10-22 10:14:15,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 516]: Loop Invariant [2019-10-22 10:14:15,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:14:15,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && ((length <= 0 && 0 <= length) || ((1 <= p && length + p <= unknown-#length-unknown[p]) && 0 <= length))) || ((((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && length <= 2147483647) && 0 == p) && length <= unknown-#length-unknown[p]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && 1 <= length)) || ((((1 == \valid[p] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length * sizeof(char))]) && 2 <= p) && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + p + 4294967295) / 4294967296) <= length) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 365.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * CodeCheck took 17565.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 297.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 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 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 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 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length RESULT: Ultimate proved your program to be correct! Received shutdown request...