./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/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 621ace555bcaba2bfc5c3f9f05e7d0c3e0e54892 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/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 621ace555bcaba2bfc5c3f9f05e7d0c3e0e54892 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:34:35,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:35,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:35,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:35,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:35,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:35,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:35,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:35,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:35,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:35,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:35,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:35,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:35,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:35,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:35,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:35,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:35,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:35,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:35,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:35,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:35,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:35,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:35,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:35,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:35,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:35,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:35,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:35,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:35,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:35,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:35,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:35,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:35,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:35,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:35,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:35,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:35,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:35,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:35,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:35,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:35,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:34:35,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:35,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:35,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:35,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:35,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:35,303 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:35,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:34:35,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:35,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:35,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:35,304 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:34:35,304 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:34:35,304 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:34:35,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:35,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:35,305 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:35,305 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:35,305 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:35,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:35,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:35,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:35,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:35,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:35,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:34:35,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:34:35,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621ace555bcaba2bfc5c3f9f05e7d0c3e0e54892 [2020-11-28 04:34:35,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:35,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:35,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:35,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:35,635 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:35,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/../../sv-benchmarks/c/list-properties/simple-2.i [2020-11-28 04:34:35,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/cdb05d652/1cac7d3334c245b0a628e06d2eede820/FLAG7caa21645 [2020-11-28 04:34:36,299 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:36,304 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/sv-benchmarks/c/list-properties/simple-2.i [2020-11-28 04:34:36,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/cdb05d652/1cac7d3334c245b0a628e06d2eede820/FLAG7caa21645 [2020-11-28 04:34:36,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/cdb05d652/1cac7d3334c245b0a628e06d2eede820 [2020-11-28 04:34:36,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:36,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:36,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:36,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:36,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:36,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:36" (1/1) ... [2020-11-28 04:34:36,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700bb423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:36, skipping insertion in model container [2020-11-28 04:34:36,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:36" (1/1) ... [2020-11-28 04:34:36,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:36,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:36,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:36,970 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:37,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:37,097 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:37,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37 WrapperNode [2020-11-28 04:34:37,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:37,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:37,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:37,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:37,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:37,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:37,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:37,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:37,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:37,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:37,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:37,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:37,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:34:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:34:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:34:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:34:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:37,898 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:37,898 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:34:37,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:37 BoogieIcfgContainer [2020-11-28 04:34:37,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:37,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:37,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:37,913 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:37,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:37" (1/1) ... [2020-11-28 04:34:37,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2020-11-28 04:34:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2020-11-28 04:34:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:34:37,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2020-11-28 04:34:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2020-11-28 04:34:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:34:38,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2020-11-28 04:34:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2020-11-28 04:34:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:34:38,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2020-11-28 04:34:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-11-28 04:34:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:34:38,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-11-28 04:34:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-11-28 04:34:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:34:38,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-28 04:34:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-28 04:34:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:34:38,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-11-28 04:34:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-11-28 04:34:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:34:38,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2020-11-28 04:34:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-28 04:34:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:34:38,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2020-11-28 04:34:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-11-28 04:34:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:34:39,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2020-11-28 04:34:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2020-11-28 04:34:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:34:39,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2020-11-28 04:34:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2020-11-28 04:34:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:34:39,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2020-11-28 04:34:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2020-11-28 04:34:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:34:40,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2020-11-28 04:34:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2020-11-28 04:34:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:34:41,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2020-11-28 04:34:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2020-11-28 04:34:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:34:41,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 92 transitions. [2020-11-28 04:34:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2020-11-28 04:34:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:34:41,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 98 transitions. [2020-11-28 04:34:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2020-11-28 04:34:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:34:41,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2020-11-28 04:34:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2020-11-28 04:34:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:34:41,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2020-11-28 04:34:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2020-11-28 04:34:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:34:43,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2020-11-28 04:34:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2020-11-28 04:34:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:34:44,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2020-11-28 04:34:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2020-11-28 04:34:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:34:45,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2020-11-28 04:34:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-28 04:34:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:34:47,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:34:47,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:34:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:34:47,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:34:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:34:47,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:34:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:34:47,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:34:47,408 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2020-11-28 04:34:47,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:34:47 ImpRootNode [2020-11-28 04:34:47,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:34:47,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:34:47,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:34:47,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:34:47,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:37" (3/4) ... [2020-11-28 04:34:47,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 04:34:47,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:34:47,469 INFO L168 Benchmark]: Toolchain (without parser) took 10886.07 ms. Allocated memory was 96.5 MB in the beginning and 209.7 MB in the end (delta: 113.2 MB). Free memory was 68.0 MB in the beginning and 142.3 MB in the end (delta: -74.3 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,469 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:47,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.69 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 62.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.71 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 60.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,487 INFO L168 Benchmark]: Boogie Preprocessor took 41.47 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 59.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,488 INFO L168 Benchmark]: RCFGBuilder took 716.66 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 59.6 MB in the beginning and 87.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,489 INFO L168 Benchmark]: CodeCheck took 9559.83 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 87.6 MB in the beginning and 142.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:47,490 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 209.7 MB. Free memory is still 142.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:47,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 37 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8434016 SDtfs, 3820080 SDslu, 4787456 SDs, 0 SdLazy, 11119504 SolverSat, 4146480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1303 GetRequests, 1138 SyntacticMatches, 29 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7434 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 6363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 5/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] p->h = 1 [L544] p->n = 0 [L545] p = a [L546] COND TRUE p!=0 [L547] EXPR p->h [L547] COND FALSE !(p->h != 1) [L550] EXPR p->n [L550] p = p->n [L546] COND FALSE !(p!=0) [L552] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 56.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.69 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 62.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.71 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 60.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.47 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 59.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 716.66 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 59.6 MB in the beginning and 87.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * CodeCheck took 9559.83 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 87.6 MB in the beginning and 142.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 209.7 MB. Free memory is still 142.3 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:34:50,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:50,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:50,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:50,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:50,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:50,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:50,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:50,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:50,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:50,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:50,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:50,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:50,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:50,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:50,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:50,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:50,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:50,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:50,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:50,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:50,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:50,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:50,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:50,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:50,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:50,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:50,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:50,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:50,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:50,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:50,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:50,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:50,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:50,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:50,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:50,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:50,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:50,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:50,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:50,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:50,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-11-28 04:34:50,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:50,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:50,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:50,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:50,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:50,301 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:50,301 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:34:50,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:50,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:50,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:50,303 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:34:50,304 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:34:50,304 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:34:50,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:50,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:34:50,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:34:50,305 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:34:50,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:50,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:50,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:50,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:50,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:50,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:50,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:50,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:50,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:50,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:34:50,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:34:50,309 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:34:50,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:34:50,309 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621ace555bcaba2bfc5c3f9f05e7d0c3e0e54892 [2020-11-28 04:34:50,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:50,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:50,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:50,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:50,743 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:50,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/../../sv-benchmarks/c/list-properties/simple-2.i [2020-11-28 04:34:50,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/16fe584c3/0f9019b417b64cdcadbd3d0c28ca9395/FLAG06a04642e [2020-11-28 04:34:51,489 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:51,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/sv-benchmarks/c/list-properties/simple-2.i [2020-11-28 04:34:51,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/16fe584c3/0f9019b417b64cdcadbd3d0c28ca9395/FLAG06a04642e [2020-11-28 04:34:51,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/data/16fe584c3/0f9019b417b64cdcadbd3d0c28ca9395 [2020-11-28 04:34:51,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:51,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:51,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:51,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:51,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:51,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:51" (1/1) ... [2020-11-28 04:34:51,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40020802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:51, skipping insertion in model container [2020-11-28 04:34:51,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:51" (1/1) ... [2020-11-28 04:34:51,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:51,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:52,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:52,298 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:52,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:52,438 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:52,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52 WrapperNode [2020-11-28 04:34:52,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:52,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:52,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:52,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:52,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:52,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:52,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:52,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:52,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... [2020-11-28 04:34:52,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:52,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:52,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:52,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:52,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64aea6cc-dc77-4619-84f1-0ce0d88f873c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:34:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:34:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:53,490 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:53,491 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:34:53,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:53 BoogieIcfgContainer [2020-11-28 04:34:53,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:53,494 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:53,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:53,503 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:53,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:53" (1/1) ... [2020-11-28 04:34:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2020-11-28 04:34:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-11-28 04:34:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:34:53,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,588 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 04:34:53,594 INFO L168 Benchmark]: Toolchain (without parser) took 1840.92 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.9 MB in the beginning and 60.7 MB in the end (delta: -15.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:53,594 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:53,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.81 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 36.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:53,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.38 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 34.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:53,597 INFO L168 Benchmark]: Boogie Preprocessor took 62.27 ms. Allocated memory is still 65.0 MB. Free memory was 34.3 MB in the beginning and 32.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:53,598 INFO L168 Benchmark]: RCFGBuilder took 916.23 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.8 MB in the beginning and 41.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:53,599 INFO L168 Benchmark]: CodeCheck took 98.14 ms. Allocated memory is still 79.7 MB. Free memory was 41.1 MB in the beginning and 60.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:53,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.81 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 36.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.38 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 34.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.27 ms. Allocated memory is still 65.0 MB. Free memory was 34.3 MB in the beginning and 32.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 916.23 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.8 MB in the beginning and 41.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * CodeCheck took 98.14 ms. Allocated memory is still 79.7 MB. Free memory was 41.1 MB in the beginning and 60.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...