./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 03:16:47,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 03:16:47,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 03:16:47,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 03:16:47,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 03:16:47,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 03:16:47,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 03:16:47,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 03:16:47,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 03:16:47,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 03:16:47,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 03:16:47,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 03:16:47,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 03:16:47,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 03:16:47,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 03:16:47,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 03:16:47,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 03:16:47,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 03:16:47,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 03:16:47,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 03:16:47,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 03:16:47,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 03:16:47,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 03:16:47,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 03:16:47,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 03:16:47,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 03:16:47,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 03:16:47,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 03:16:47,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 03:16:47,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 03:16:47,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 03:16:47,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 03:16:47,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 03:16:47,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 03:16:47,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 03:16:47,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 03:16:47,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 03:16:47,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 03:16:47,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 03:16:47,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 03:16:47,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 03:16:47,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2019-12-01 03:16:47,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 03:16:47,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 03:16:47,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 03:16:47,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 03:16:47,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 03:16:47,774 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 03:16:47,775 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 03:16:47,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 03:16:47,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 03:16:47,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 03:16:47,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 03:16:47,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 03:16:47,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 03:16:47,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 03:16:47,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 03:16:47,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 03:16:47,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 03:16:47,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 03:16:47,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 03:16:47,776 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_cf3f26b5-e616-4370-9dda-19d5422c48f4/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-memcleanup) ) 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 -> 2a99c5e1922c5e2d2ce50e982def02dab2dbd81e [2019-12-01 03:16:47,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 03:16:47,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 03:16:47,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 03:16:47,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 03:16:47,885 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 03:16:47,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-12-01 03:16:47,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/data/6ae03f226/d21bd004b507466aa9dd564e99c53988/FLAGa868665fd [2019-12-01 03:16:48,375 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 03:16:48,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/sv-benchmarks/c/list-ext3-properties/sll_length_check-1.i [2019-12-01 03:16:48,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/data/6ae03f226/d21bd004b507466aa9dd564e99c53988/FLAGa868665fd [2019-12-01 03:16:48,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/data/6ae03f226/d21bd004b507466aa9dd564e99c53988 [2019-12-01 03:16:48,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 03:16:48,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 03:16:48,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 03:16:48,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 03:16:48,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 03:16:48,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7c4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48, skipping insertion in model container [2019-12-01 03:16:48,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 03:16:48,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 03:16:48,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:16:48,658 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 03:16:48,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 03:16:48,727 INFO L208 MainTranslator]: Completed translation [2019-12-01 03:16:48,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48 WrapperNode [2019-12-01 03:16:48,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 03:16:48,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 03:16:48,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 03:16:48,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 03:16:48,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 03:16:48,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 03:16:48,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 03:16:48,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 03:16:48,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... [2019-12-01 03:16:48,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 03:16:48,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 03:16:48,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 03:16:48,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 03:16:48,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:16:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/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 03:16:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 03:16:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 03:16:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 03:16:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 03:16:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 03:16:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 03:16:49,051 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 03:16:49,052 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-01 03:16:49,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:49 BoogieIcfgContainer [2019-12-01 03:16:49,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 03:16:49,053 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 03:16:49,053 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 03:16:49,059 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 03:16:49,060 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:49" (1/1) ... [2019-12-01 03:16:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 03:16:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2019-12-01 03:16:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2019-12-01 03:16:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 03:16:49,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,163 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 03:16:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2019-12-01 03:16:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-12-01 03:16:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 03:16:49,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,218 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 03:16:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2019-12-01 03:16:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2019-12-01 03:16:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 03:16:49,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,290 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 03:16:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-12-01 03:16:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-12-01 03:16:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 03:16:49,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,360 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 03:16:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2019-12-01 03:16:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-12-01 03:16:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 03:16:49,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,493 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 03:16:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2019-12-01 03:16:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2019-12-01 03:16:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 03:16:49,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:16:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2019-12-01 03:16:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2019-12-01 03:16:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 03:16:49,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:16:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2019-12-01 03:16:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2019-12-01 03:16:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 03:16:50,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:16:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2019-12-01 03:16:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2019-12-01 03:16:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 03:16:50,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:16:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2019-12-01 03:16:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2019-12-01 03:16:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 03:16:51,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 03:16:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2019-12-01 03:16:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2019-12-01 03:16:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 03:16:51,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 03:16:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2019-12-01 03:16:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2019-12-01 03:16:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 03:16:52,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 03:16:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2019-12-01 03:16:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2019-12-01 03:16:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 03:16:52,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 03:16:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2019-12-01 03:16:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2019-12-01 03:16:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 03:16:53,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 03:16:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2019-12-01 03:16:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2019-12-01 03:16:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 03:16:56,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 03:16:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:16:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2019-12-01 03:16:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2019-12-01 03:16:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 03:16:59,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:16:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:16:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:17:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2019-12-01 03:17:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2019-12-01 03:17:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 03:17:03,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:17:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:10,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2019-12-01 03:17:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2019-12-01 03:17:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 03:17:10,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 03:17:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2019-12-01 03:17:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-12-01 03:17:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 03:17:20,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:17:31,030 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-12-01 03:17:32,813 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-01 03:17:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2019-12-01 03:17:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2019-12-01 03:17:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 03:17:37,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 03:17:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2019-12-01 03:17:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2019-12-01 03:17:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 03:17:48,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 03:17:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:17:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 97 states and 171 transitions. [2019-12-01 03:17:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 171 transitions. [2019-12-01 03:17:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 03:17:55,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:17:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:17:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 03:18:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:18:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 196 transitions. [2019-12-01 03:18:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2019-12-01 03:18:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 03:18:04,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:18:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:18:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 03:18:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:18:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 110 states and 207 transitions. [2019-12-01 03:18:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 207 transitions. [2019-12-01 03:18:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 03:18:15,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:18:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:18:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 03:18:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:18:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 111 states and 208 transitions. [2019-12-01 03:18:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 208 transitions. [2019-12-01 03:18:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 03:18:18,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:18:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 03:18:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 03:18:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 03:18:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 03:18:18,595 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2019-12-01 03:18:18,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:18:18 ImpRootNode [2019-12-01 03:18:18,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 03:18:18,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 03:18:18,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 03:18:18,624 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 03:18:18,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:16:49" (3/4) ... [2019-12-01 03:18:18,626 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 03:18:18,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cf3f26b5-e616-4370-9dda-19d5422c48f4/bin/ukojak/witness.graphml [2019-12-01 03:18:18,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 03:18:18,680 INFO L168 Benchmark]: Toolchain (without parser) took 90283.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 938.2 MB in the beginning and 814.8 MB in the end (delta: 123.4 MB). Peak memory consumption was 273.8 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,681 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 03:18:18,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,682 INFO L168 Benchmark]: Boogie Preprocessor took 19.11 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 03:18:18,682 INFO L168 Benchmark]: RCFGBuilder took 275.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,683 INFO L168 Benchmark]: CodeCheck took 89571.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 824.4 MB in the end (delta: 204.3 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,684 INFO L168 Benchmark]: Witness Printer took 55.05 ms. Allocated memory is still 1.2 GB. Free memory was 824.4 MB in the beginning and 814.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-12-01 03:18:18,686 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, 30 locations, 11 error locations. Result: UNSAFE, OverallTime: 89.5s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 131072008 SDtfs, 19247466 SDslu, 2097664 SDs, 0 SdLazy, 216706874 SolverSat, 81854788 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3441 GetRequests, 2915 SyntacticMatches, 50 SemanticMatches, 476 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90217 ImplicationChecksByTransitivity, 87.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 61275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 13 PerfectInterpolantSequences, 138/242 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 - CounterExampleResult [Line: 602]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L592] int len = 2; [L593] len < 32 && __VERIFIER_nondet_int() [L593] len < 32 && __VERIFIER_nondet_int() [L593] COND FALSE !(len < 32 && __VERIFIER_nondet_int()) [L564] SLL head = ((void *)0); [L565] COND TRUE len > 0 [L566] SLL new_head = (SLL) malloc(sizeof(struct node)); [L567] COND FALSE !(((void *)0) == new_head) [L570] new_head->next = head [L571] head = new_head [L572] len-- [L565] COND TRUE len > 0 [L566] SLL new_head = (SLL) malloc(sizeof(struct node)); [L567] COND FALSE !(((void *)0) == new_head) [L570] new_head->next = head [L571] head = new_head [L572] len-- [L565] COND TRUE len > 0 [L566] SLL new_head = (SLL) malloc(sizeof(struct node)); [L567] COND FALSE !(((void *)0) == new_head) [L570] new_head->next = head [L571] head = new_head [L572] len-- [L565] COND FALSE !(len > 0) [L574] return head; [L596] SLL s = sll_create(len + 1); [L577] int len = 0; [L578] COND TRUE \read(head) [L579] len++ [L580] EXPR head->next [L580] head = head->next [L578] COND TRUE \read(head) [L579] len++ [L580] EXPR head->next [L580] head = head->next [L578] COND TRUE \read(head) [L579] len++ [L580] EXPR head->next [L580] head = head->next [L578] COND FALSE !(\read(head)) [L582] return len; [L597] COND TRUE len != sll_length(s) [L602] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.11 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. * RCFGBuilder took 275.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * CodeCheck took 89571.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 824.4 MB in the end (delta: 204.3 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.05 ms. Allocated memory is still 1.2 GB. Free memory was 824.4 MB in the beginning and 814.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...