./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/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 fa1df4216228ace3c3c1088507575f9600e9db06 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/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 fa1df4216228ace3c3c1088507575f9600e9db06 .......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:18:28,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:28,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:28,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:28,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:28,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:28,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:28,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:28,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:28,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:28,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:28,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:28,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:28,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:28,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:28,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:28,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:28,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:28,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:28,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:28,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:28,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:28,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:28,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:28,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:28,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:28,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:28,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:28,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:28,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:28,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:28,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:28,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:28,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:28,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:28,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:28,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:28,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:28,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:28,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:28,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:28,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:18:28,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:28,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:28,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:28,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:28,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:28,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:28,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:18:28,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:28,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:28,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:28,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:28,549 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:28,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:28,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:28,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:28,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:28,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:28,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:28,550 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:28,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:28,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/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 -> fa1df4216228ace3c3c1088507575f9600e9db06 [2019-10-22 10:18:28,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:28,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:28,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:28,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:28,612 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:28,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2019-10-22 10:18:28,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/3617296db/5cab913f72564e9c8b551905f6639cf2/FLAG559b246ba [2019-10-22 10:18:29,085 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:29,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2019-10-22 10:18:29,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/3617296db/5cab913f72564e9c8b551905f6639cf2/FLAG559b246ba [2019-10-22 10:18:29,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/3617296db/5cab913f72564e9c8b551905f6639cf2 [2019-10-22 10:18:29,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:29,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:29,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:29,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:29,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:29,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1644154e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29, skipping insertion in model container [2019-10-22 10:18:29,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,125 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:29,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:29,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:29,553 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:29,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:29,638 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:29,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29 WrapperNode [2019-10-22 10:18:29,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:29,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:29,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:29,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:29,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:29,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:29,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:29,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:29,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... [2019-10-22 10:18:29,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:29,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:29,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:29,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:29,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:18:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:18:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:18:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:30,100 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:30,100 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 10:18:30,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:30 BoogieIcfgContainer [2019-10-22 10:18:30,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:30,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:30,102 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:30,112 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:30,113 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:30" (1/1) ... [2019-10-22 10:18:30,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2019-10-22 10:18:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-22 10:18:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:18:30,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-10-22 10:18:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-10-22 10:18:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:18:30,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2019-10-22 10:18:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-10-22 10:18:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:18:30,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2019-10-22 10:18:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-10-22 10:18:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:18:30,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-10-22 10:18:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-10-22 10:18:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:18:31,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-10-22 10:18:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-22 10:18:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:18:31,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2019-10-22 10:18:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-10-22 10:18:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:18:31,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2019-10-22 10:18:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2019-10-22 10:18:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:18:32,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2019-10-22 10:18:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2019-10-22 10:18:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:18:32,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-10-22 10:18:33,087 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-10-22 10:18:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:18:33,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2019-10-22 10:18:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2019-10-22 10:18:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:18:33,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2019-10-22 10:18:33,175 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2019-10-22 10:18:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:33,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2019-10-22 10:18:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2019-10-22 10:18:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:34,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2019-10-22 10:18:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2019-10-22 10:18:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:35,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2019-10-22 10:18:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2019-10-22 10:18:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:38,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2019-10-22 10:18:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2019-10-22 10:18:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:39,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2019-10-22 10:18:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2019-10-22 10:18:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:18:39,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2019-10-22 10:18:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2019-10-22 10:18:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:18:41,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2019-10-22 10:18:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2019-10-22 10:18:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:42,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:18:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 45 states and 82 transitions. [2019-10-22 10:18:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 82 transitions. [2019-10-22 10:18:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:42,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2019-10-22 10:18:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2019-10-22 10:18:43,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:43,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:18:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2019-10-22 10:18:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2019-10-22 10:18:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:43,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2019-10-22 10:18:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2019-10-22 10:18:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:44,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:18:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2019-10-22 10:18:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2019-10-22 10:18:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:44,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2019-10-22 10:18:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2019-10-22 10:18:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:45,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:18:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2019-10-22 10:18:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2019-10-22 10:18:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:18:45,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2019-10-22 10:18:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2019-10-22 10:18:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:46,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:18:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2019-10-22 10:18:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2019-10-22 10:18:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:48,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:18:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 131 transitions. [2019-10-22 10:18:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2019-10-22 10:18:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:51,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 70 states and 131 transitions. [2019-10-22 10:18:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2019-10-22 10:18:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:52,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:18:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 71 states and 131 transitions. [2019-10-22 10:18:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 131 transitions. [2019-10-22 10:18:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:52,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:18:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2019-10-22 10:18:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2019-10-22 10:18:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:53,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:18:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 134 transitions. [2019-10-22 10:18:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2019-10-22 10:18:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:53,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:18:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 74 states and 134 transitions. [2019-10-22 10:18:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 134 transitions. [2019-10-22 10:18:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:18:54,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:18:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2019-10-22 10:18:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2019-10-22 10:18:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:18:54,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:18:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2019-10-22 10:18:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2019-10-22 10:18:55,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:18:55,498 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-10-22 10:18:55,505 INFO L771 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2019-10-22 10:18:55,618 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-10-22 10:18:56,061 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2019-10-22 10:18:56,154 INFO L575 CodeCheckObserver]: Invariant with dag size 33 [2019-10-22 10:18:56,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,180 INFO L575 CodeCheckObserver]: Invariant with dag size 32 [2019-10-22 10:18:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,199 INFO L575 CodeCheckObserver]: Invariant with dag size 6 [2019-10-22 10:18:56,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:246) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:326) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:811) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:579) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:535) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:18:56,204 INFO L168 Benchmark]: Toolchain (without parser) took 27093.60 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 500.2 MB). Free memory was 939.1 MB in the beginning and 1.3 GB in the end (delta: -361.5 MB). Peak memory consumption was 138.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:56,204 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:56,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:56,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:56,206 INFO L168 Benchmark]: Boogie Preprocessor took 23.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:56,206 INFO L168 Benchmark]: RCFGBuilder took 401.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:56,207 INFO L168 Benchmark]: CodeCheck took 26101.29 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -164.8 MB). Peak memory consumption was 138.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:56,209 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, 20 locations, 9 error locations. Result: SAFE, OverallTime: 25.3s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1375731712 SDtfs, -2145487912 SDslu, 1340589068 SDs, 0 SdLazy, 455382372 SolverSat, -1347623232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4097 GetRequests, 3621 SyntacticMatches, 180 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36134 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 46781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 15 PerfectInterpolantSequences, 119/163 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 527]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 534]: Loop Invariant [2019-10-22 10:18:56,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((((array_size < i + 1 && 2 <= array_size) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && 1 == \valid[numbers]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) || (((((((array_size < i + 1 && i <= 1) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && 1 == \valid[numbers]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 1 <= array_size) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))])) || ((((((i + 1 <= array_size && unknown-#length-unknown[numbers] == 4 * array_size) && 0 <= i) && numbers == 0) && 1 == \valid[numbers]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) - InvariantResult [Line: 517]: Loop Invariant [2019-10-22 10:18:56,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:18:56,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:18:56,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((4 * array_size <= unknown-#length-unknown[numbers] && 1 == \valid[numbers]) && 0 == numbers) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 2 <= numbers + 4 * i) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) || ((((1 == \valid[numbers] && 0 == numbers) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 4 * array_size <= numbers + 4 * i + 2) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))])) || (((((4 * array_size <= unknown-#length-unknown[numbers] && 1 == \valid[numbers]) && 0 == numbers) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && 0 == i) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 401.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26101.29 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -164.8 MB). Peak memory consumption was 138.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 10:18:58,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:58,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:58,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:58,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:58,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:58,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:58,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:58,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:58,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:58,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:58,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:58,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:58,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:58,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:58,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:58,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:58,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:58,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:58,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:58,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:58,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:58,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:58,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:58,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:58,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:58,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:58,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:58,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:58,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:58,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:58,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:58,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:58,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:58,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:58,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:58,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:58,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:58,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:58,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:58,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:58,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-10-22 10:18:58,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:58,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:58,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:58,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:58,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:58,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:58,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:18:58,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:58,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:58,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 10:18:58,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 10:18:58,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:58,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:58,262 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:58,262 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:58,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:58,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:58,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:58,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:58,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:58,264 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 10:18:58,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 10:18:58,264 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-10-22 10:18:58,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 10:18:58,264 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/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 -> fa1df4216228ace3c3c1088507575f9600e9db06 [2019-10-22 10:18:58,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:58,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:58,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:58,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:58,310 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:58,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2019-10-22 10:18:58,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/31c4cecfe/50e1a1d23bec44a29f3a857147ad117a/FLAG1c13e199e [2019-10-22 10:18:58,742 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:58,742 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2019-10-22 10:18:58,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/31c4cecfe/50e1a1d23bec44a29f3a857147ad117a/FLAG1c13e199e [2019-10-22 10:18:59,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/data/31c4cecfe/50e1a1d23bec44a29f3a857147ad117a [2019-10-22 10:18:59,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:59,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:59,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:59,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:59,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:59,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363bcde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59, skipping insertion in model container [2019-10-22 10:18:59,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:59,171 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:59,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:59,506 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:59,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:59,596 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:59,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59 WrapperNode [2019-10-22 10:18:59,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:59,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:59,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:59,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:59,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:59,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:59,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:59,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:59,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... [2019-10-22 10:18:59,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:59,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:59,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:59,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:59,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_204a2d78-c372-422c-acee-7ede9874fab2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 10:18:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 10:18:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:18:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 10:18:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:19:00,112 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:19:00,112 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 10:19:00,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:19:00 BoogieIcfgContainer [2019-10-22 10:19:00,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:19:00,114 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:19:00,114 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:19:00,124 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:19:00,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:19:00" (1/1) ... [2019-10-22 10:19:00,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:19:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:19:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2019-10-22 10:19:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-22 10:19:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:19:00,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:19:00,209 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:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) 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.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:450) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:19:00,213 INFO L168 Benchmark]: Toolchain (without parser) took 1083.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:19:00,213 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:19:00,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:00,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:00,215 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:19:00,216 INFO L168 Benchmark]: RCFGBuilder took 448.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:00,216 INFO L168 Benchmark]: CodeCheck took 97.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:19:00,219 INFO L335 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:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 448.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * CodeCheck took 97.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...