./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/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 17e6e52dd20f9be422d05cd630fd9252ae3011a2 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 08:38:42,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 08:38:42,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 08:38:42,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 08:38:42,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 08:38:42,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 08:38:42,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 08:38:42,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 08:38:42,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 08:38:42,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 08:38:42,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 08:38:42,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 08:38:42,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 08:38:42,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 08:38:42,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 08:38:42,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 08:38:42,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 08:38:42,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 08:38:42,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 08:38:42,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 08:38:42,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 08:38:42,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 08:38:42,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 08:38:42,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 08:38:42,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 08:38:42,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 08:38:42,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 08:38:42,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 08:38:42,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 08:38:42,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 08:38:42,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 08:38:42,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 08:38:42,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 08:38:42,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 08:38:42,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 08:38:42,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 08:38:42,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 08:38:42,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 08:38:42,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 08:38:42,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 08:38:42,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 08:38:42,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 08:38:42,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 08:38:42,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 08:38:42,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 08:38:42,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 08:38:42,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 08:38:42,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 08:38:42,323 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 08:38:42,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 08:38:42,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 08:38:42,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 08:38:42,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 08:38:42,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 08:38:42,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 08:38:42,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 08:38:42,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 08:38:42,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 08:38:42,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 08:38:42,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 08:38:42,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 08:38:42,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-12-01 08:38:42,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 08:38:42,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 08:38:42,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 08:38:42,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 08:38:42,447 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 08:38:42,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/../../sv-benchmarks/c/verifythis/lcp.c [2019-12-01 08:38:42,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/c204f2509/f7cdb706dec84efa8ca35e2bf19e332a/FLAG6941d100c [2019-12-01 08:38:42,898 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 08:38:42,898 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/sv-benchmarks/c/verifythis/lcp.c [2019-12-01 08:38:42,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/c204f2509/f7cdb706dec84efa8ca35e2bf19e332a/FLAG6941d100c [2019-12-01 08:38:42,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/c204f2509/f7cdb706dec84efa8ca35e2bf19e332a [2019-12-01 08:38:42,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 08:38:42,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 08:38:42,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 08:38:42,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 08:38:42,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 08:38:42,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:38:42" (1/1) ... [2019-12-01 08:38:42,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f91e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:42, skipping insertion in model container [2019-12-01 08:38:42,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:38:42" (1/1) ... [2019-12-01 08:38:42,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 08:38:42,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 08:38:43,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 08:38:43,117 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 08:38:43,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 08:38:43,142 INFO L208 MainTranslator]: Completed translation [2019-12-01 08:38:43,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43 WrapperNode [2019-12-01 08:38:43,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 08:38:43,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 08:38:43,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 08:38:43,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 08:38:43,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 08:38:43,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 08:38:43,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 08:38:43,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 08:38:43,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 08:38:43,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 08:38:43,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 08:38:43,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 08:38:43,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:38:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 08:38:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 08:38:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 08:38:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 08:38:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 08:38:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 08:38:43,525 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 08:38:43,526 INFO L287 CfgBuilder]: Removed 15 assume(true) statements. [2019-12-01 08:38:43,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:38:43 BoogieIcfgContainer [2019-12-01 08:38:43,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 08:38:43,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 08:38:43,527 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 08:38:43,534 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 08:38:43,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:38:43" (1/1) ... [2019-12-01 08:38:43,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 08:38:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2019-12-01 08:38:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-12-01 08:38:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 08:38:43,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2019-12-01 08:38:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2019-12-01 08:38:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 08:38:43,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2019-12-01 08:38:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2019-12-01 08:38:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 08:38:44,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2019-12-01 08:38:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2019-12-01 08:38:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 08:38:44,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2019-12-01 08:38:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2019-12-01 08:38:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 08:38:44,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2019-12-01 08:38:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-12-01 08:38:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 08:38:45,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2019-12-01 08:38:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2019-12-01 08:38:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 08:38:45,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2019-12-01 08:38:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2019-12-01 08:38:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 08:38:47,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-12-01 08:38:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-12-01 08:38:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 08:38:47,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:38:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2019-12-01 08:38:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-12-01 08:38:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 08:38:51,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:38:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:38:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 104 transitions. [2019-12-01 08:38:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2019-12-01 08:38:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 08:38:54,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:38:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:38:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:39:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2019-12-01 08:39:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2019-12-01 08:39:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 08:39:02,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:39:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 135 transitions. [2019-12-01 08:39:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 135 transitions. [2019-12-01 08:39:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 08:39:02,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:39:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 86 states and 173 transitions. [2019-12-01 08:39:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 173 transitions. [2019-12-01 08:39:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 08:39:13,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 08:39:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 87 states and 175 transitions. [2019-12-01 08:39:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 175 transitions. [2019-12-01 08:39:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 08:39:14,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:39:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 92 states and 192 transitions. [2019-12-01 08:39:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2019-12-01 08:39:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 08:39:17,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:17,241 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 08:39:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:17,260 INFO L264 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 08:39:17,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 08:39:17,296 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 08:39:17,296 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 08:39:17,299 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 08:39:17,299 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 08:39:17,299 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 08:39:17,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 08:39:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:39:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 102 states and 222 transitions. [2019-12-01 08:39:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 222 transitions. [2019-12-01 08:39:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:39:27,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:39:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 101 states and 221 transitions. [2019-12-01 08:39:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 221 transitions. [2019-12-01 08:39:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:39:27,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:39:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:39:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 114 states and 256 transitions. [2019-12-01 08:39:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 256 transitions. [2019-12-01 08:39:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:39:44,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:39:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:39:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:39:47,807 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-12-01 08:39:53,104 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-12-01 08:40:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 126 states and 288 transitions. [2019-12-01 08:40:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 288 transitions. [2019-12-01 08:40:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:05,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:05,016 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 08:40:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:05,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 08:40:05,032 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 08:40:05,036 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 08:40:05,036 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 08:40:05,037 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 08:40:05,037 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 08:40:05,037 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 08:40:05,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 08:40:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:40:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:05,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 127 states and 291 transitions. [2019-12-01 08:40:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 291 transitions. [2019-12-01 08:40:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:05,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 08:40:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 290 transitions. [2019-12-01 08:40:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 290 transitions. [2019-12-01 08:40:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:07,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 08:40:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 127 states and 289 transitions. [2019-12-01 08:40:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 289 transitions. [2019-12-01 08:40:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:08,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 08:40:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 288 transitions. [2019-12-01 08:40:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 288 transitions. [2019-12-01 08:40:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:09,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:12,055 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-12-01 08:40:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 131 states and 316 transitions. [2019-12-01 08:40:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 316 transitions. [2019-12-01 08:40:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:16,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 132 states and 329 transitions. [2019-12-01 08:40:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 329 transitions. [2019-12-01 08:40:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 08:40:17,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 133 states and 343 transitions. [2019-12-01 08:40:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 343 transitions. [2019-12-01 08:40:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 08:40:18,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:40:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 147 states and 382 transitions. [2019-12-01 08:40:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 382 transitions. [2019-12-01 08:40:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 08:40:38,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:41,465 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-12-01 08:40:41,939 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-12-01 08:40:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 150 states and 401 transitions. [2019-12-01 08:40:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 401 transitions. [2019-12-01 08:40:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 08:40:47,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:48,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 151 states and 410 transitions. [2019-12-01 08:40:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 410 transitions. [2019-12-01 08:40:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 08:40:48,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 08:40:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 152 states and 418 transitions. [2019-12-01 08:40:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 418 transitions. [2019-12-01 08:40:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 08:40:49,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:40:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:40:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 155 states and 422 transitions. [2019-12-01 08:40:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 422 transitions. [2019-12-01 08:40:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 08:40:56,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:40:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:40:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:40:57,662 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-12-01 08:40:58,116 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-12-01 08:41:00,444 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-12-01 08:41:00,962 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-12-01 08:41:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:41:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 164 states and 452 transitions. [2019-12-01 08:41:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 452 transitions. [2019-12-01 08:41:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 08:41:17,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:41:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:41:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:41:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:41:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 165 states and 462 transitions. [2019-12-01 08:41:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 462 transitions. [2019-12-01 08:41:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 08:41:18,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:41:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:41:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 08:41:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:41:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 181 states and 509 transitions. [2019-12-01 08:41:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 509 transitions. [2019-12-01 08:41:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 08:41:52,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:41:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:41:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 08:41:53,966 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-12-01 08:41:56,169 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-12-01 08:41:58,249 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-12-01 08:42:01,779 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-12-01 08:42:02,907 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-12-01 08:42:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 190 states and 539 transitions. [2019-12-01 08:42:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 539 transitions. [2019-12-01 08:42:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 08:42:09,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:09,874 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 08:42:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:09,891 INFO L264 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-01 08:42:09,892 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 08:42:09,895 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 08:42:09,895 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 08:42:09,896 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 08:42:09,897 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 08:42:09,897 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 08:42:09,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 08:42:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 08:42:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 195 states and 572 transitions. [2019-12-01 08:42:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 572 transitions. [2019-12-01 08:42:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 08:42:21,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 08:42:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 196 states and 572 transitions. [2019-12-01 08:42:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 572 transitions. [2019-12-01 08:42:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 08:42:24,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 08:42:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 199 states and 576 transitions. [2019-12-01 08:42:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 576 transitions. [2019-12-01 08:42:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 08:42:31,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 08:42:31,820 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-12-01 08:42:38,445 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-12-01 08:42:38,979 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-12-01 08:42:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 203 states and 584 transitions. [2019-12-01 08:42:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 584 transitions. [2019-12-01 08:42:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 08:42:42,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 08:42:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:42:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 206 states and 588 transitions. [2019-12-01 08:42:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 588 transitions. [2019-12-01 08:42:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 08:42:48,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:42:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:42:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 08:42:49,983 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-12-01 08:42:50,346 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-12-01 08:43:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:43:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 211 states and 595 transitions. [2019-12-01 08:43:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 595 transitions. [2019-12-01 08:43:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 08:43:01,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:43:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:43:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 08:43:02,835 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-12-01 08:43:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:43:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 215 states and 601 transitions. [2019-12-01 08:43:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 601 transitions. [2019-12-01 08:43:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 08:43:12,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:43:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 08:43:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 08:43:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:43:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2019-12-01 08:43:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-12-01 08:43:20,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 08:43:20,061 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2019-12-01 08:43:20,067 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2019-12-01 08:43:20,245 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-12-01 08:43:20,503 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2019-12-01 08:43:20,709 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2019-12-01 08:43:20,898 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-12-01 08:43:21,166 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2019-12-01 08:43:21,231 INFO L569 CodeCheckObserver]: Invariant with dag size 71 [2019-12-01 08:43:21,234 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) 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.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.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:805) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:573) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:529) 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) [2019-12-01 08:43:21,236 INFO L168 Benchmark]: Toolchain (without parser) took 278322.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 938.0 MB in the beginning and 847.7 MB in the end (delta: 90.3 MB). Peak memory consumption was 344.0 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:21,237 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 08:43:21,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:21,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 08:43:21,238 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:21,239 INFO L168 Benchmark]: RCFGBuilder took 329.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:21,239 INFO L168 Benchmark]: CodeCheck took 277708.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 22.5 MB). Free memory was 1.1 GB in the beginning and 847.7 MB in the end (delta: 207.3 MB). Peak memory consumption was 361.4 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:21,241 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, 33 locations, 16 error locations. Result: SAFE, OverallTime: 276.5s, OverallIterations: 44, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 671088640 SDtfs, 412257860 SDslu, 805849088 SDs, 0 SdLazy, 1829244048 SolverSat, -790485212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7340 GetRequests, 6309 SyntacticMatches, 209 SemanticMatches, 822 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304605 ImplicationChecksByTransitivity, 270.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 541 ConstructedInterpolants, 3 QuantifiedInterpolants, 104365 SizeOfPredicates, 36 NumberOfNonLiveVariables, 411 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 43 InterpolantComputations, 19 PerfectInterpolantSequences, 203/325 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: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 42]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 42]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 42]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) * 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 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 329.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * CodeCheck took 277708.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 22.5 MB). Free memory was 1.1 GB in the beginning and 847.7 MB in the end (delta: 207.3 MB). Peak memory consumption was 361.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-01 08:43:22,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 08:43:22,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 08:43:22,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 08:43:22,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 08:43:22,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 08:43:22,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 08:43:22,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 08:43:22,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 08:43:22,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 08:43:22,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 08:43:22,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 08:43:22,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 08:43:22,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 08:43:22,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 08:43:22,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 08:43:22,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 08:43:22,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 08:43:22,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 08:43:22,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 08:43:22,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 08:43:22,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 08:43:22,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 08:43:22,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 08:43:22,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 08:43:22,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 08:43:22,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 08:43:22,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 08:43:22,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 08:43:22,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 08:43:22,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 08:43:22,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 08:43:22,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 08:43:22,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 08:43:22,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 08:43:22,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 08:43:22,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 08:43:22,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 08:43:22,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 08:43:22,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 08:43:22,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 08:43:22,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-12-01 08:43:22,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 08:43:22,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 08:43:22,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 08:43:22,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 08:43:22,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 08:43:22,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 08:43:22,578 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 08:43:22,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 08:43:22,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 08:43:22,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 08:43:22,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 08:43:22,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 08:43:22,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 08:43:22,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 08:43:22,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 08:43:22,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 08:43:22,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 08:43:22,581 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 08:43:22,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 08:43:22,581 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/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/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 -> 17e6e52dd20f9be422d05cd630fd9252ae3011a2 [2019-12-01 08:43:22,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 08:43:22,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 08:43:22,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 08:43:22,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 08:43:22,756 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 08:43:22,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/../../sv-benchmarks/c/verifythis/lcp.c [2019-12-01 08:43:22,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/869dcff8f/44b251f3bb904f509e362e81c7ed801d/FLAGa5b2d74bd [2019-12-01 08:43:23,195 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 08:43:23,195 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/sv-benchmarks/c/verifythis/lcp.c [2019-12-01 08:43:23,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/869dcff8f/44b251f3bb904f509e362e81c7ed801d/FLAGa5b2d74bd [2019-12-01 08:43:23,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/data/869dcff8f/44b251f3bb904f509e362e81c7ed801d [2019-12-01 08:43:23,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 08:43:23,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 08:43:23,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 08:43:23,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 08:43:23,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 08:43:23,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70256156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23, skipping insertion in model container [2019-12-01 08:43:23,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 08:43:23,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 08:43:23,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 08:43:23,710 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 08:43:23,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 08:43:23,735 INFO L208 MainTranslator]: Completed translation [2019-12-01 08:43:23,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23 WrapperNode [2019-12-01 08:43:23,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 08:43:23,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 08:43:23,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 08:43:23,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 08:43:23,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 08:43:23,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 08:43:23,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 08:43:23,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 08:43:23,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... [2019-12-01 08:43:23,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 08:43:23,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 08:43:23,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 08:43:23,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 08:43:23,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:43:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaa7e8e5-4d13-45aa-8270-be82f90283aa/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 08:43:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 08:43:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 08:43:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 08:43:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 08:43:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 08:43:24,314 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 08:43:24,314 INFO L287 CfgBuilder]: Removed 15 assume(true) statements. [2019-12-01 08:43:24,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:43:24 BoogieIcfgContainer [2019-12-01 08:43:24,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 08:43:24,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 08:43:24,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 08:43:24,325 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 08:43:24,325 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:43:24" (1/1) ... [2019-12-01 08:43:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 08:43:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 08:43:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2019-12-01 08:43:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-12-01 08:43:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 08:43:24,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 08:43:24,390 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.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java: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) [2019-12-01 08:43:24,394 INFO L168 Benchmark]: Toolchain (without parser) took 816.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -107.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,394 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 08:43:24,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.02 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,396 INFO L168 Benchmark]: Boogie Preprocessor took 21.07 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,397 INFO L168 Benchmark]: RCFGBuilder took 501.04 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,397 INFO L168 Benchmark]: CodeCheck took 76.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-01 08:43:24,400 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.02 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.07 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 501.04 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * CodeCheck took 76.12 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...