./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/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 c8850e617230fbb23d096e299440f36502352977 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/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 c8850e617230fbb23d096e299440f36502352977 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:53:54,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:53:54,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:53:54,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:53:54,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:53:54,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:53:54,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:53:54,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:53:54,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:53:54,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:53:54,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:53:54,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:53:54,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:53:54,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:53:54,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:53:54,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:53:54,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:53:54,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:53:54,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:53:54,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:53:54,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:53:54,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:53:54,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:53:54,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:53:54,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:53:54,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:53:54,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:53:54,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:53:54,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:53:54,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:53:54,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:53:54,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:53:54,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:53:54,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:53:54,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:53:54,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:53:54,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:53:54,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:53:54,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:53:54,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:53:54,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:53:54,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 22:53:54,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:53:54,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:53:54,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:53:54,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:53:54,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:53:54,221 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 22:53:54,222 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 22:53:54,222 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 22:53:54,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:53:54,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:53:54,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:53:54,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:53:54,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:53:54,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:53:54,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:53:54,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:53:54,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:53:54,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:53:54,224 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:53:54,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:53:54,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8850e617230fbb23d096e299440f36502352977 [2020-11-29 22:53:54,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:53:54,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:53:54,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:53:54,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:53:54,515 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:53:54,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2020-11-29 22:53:54,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/c22e517d7/9b0f4780f3994f9f917f9108b2b44d9c/FLAGcea9a4420 [2020-11-29 22:53:55,145 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:53:55,145 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/sv-benchmarks/c/heap-manipulation/tree-2.i [2020-11-29 22:53:55,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/c22e517d7/9b0f4780f3994f9f917f9108b2b44d9c/FLAGcea9a4420 [2020-11-29 22:53:55,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/c22e517d7/9b0f4780f3994f9f917f9108b2b44d9c [2020-11-29 22:53:55,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:53:55,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:53:55,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:53:55,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:53:55,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:53:55,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:53:55" (1/1) ... [2020-11-29 22:53:55,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173f5525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:55, skipping insertion in model container [2020-11-29 22:53:55,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:53:55" (1/1) ... [2020-11-29 22:53:55,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:53:55,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:53:55,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:53:55,908 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:53:55,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:53:56,054 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:53:56,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56 WrapperNode [2020-11-29 22:53:56,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:53:56,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:53:56,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:53:56,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:53:56,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:53:56,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:53:56,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:53:56,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:53:56,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... [2020-11-29 22:53:56,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:53:56,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:53:56,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:53:56,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:53:56,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:53:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:53:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:53:57,239 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:53:57,240 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-11-29 22:53:57,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:57 BoogieIcfgContainer [2020-11-29 22:53:57,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:53:57,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:53:57,243 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:53:57,256 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:53:57,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:57" (1/1) ... [2020-11-29 22:53:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 132 states and 155 transitions. [2020-11-29 22:53:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-11-29 22:53:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:53:57,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2020-11-29 22:53:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-11-29 22:53:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 22:53:57,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2020-11-29 22:53:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2020-11-29 22:53:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 22:53:57,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 151 transitions. [2020-11-29 22:53:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-11-29 22:53:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 22:53:57,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 150 transitions. [2020-11-29 22:53:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-11-29 22:53:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 22:53:57,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 131 states and 155 transitions. [2020-11-29 22:53:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2020-11-29 22:53:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:53:58,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 136 states and 164 transitions. [2020-11-29 22:53:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2020-11-29 22:53:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 22:53:58,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 139 states and 168 transitions. [2020-11-29 22:53:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2020-11-29 22:53:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:53:58,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 171 transitions. [2020-11-29 22:53:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 171 transitions. [2020-11-29 22:53:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:53:58,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 143 states and 176 transitions. [2020-11-29 22:53:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2020-11-29 22:53:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:53:58,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 143 states and 174 transitions. [2020-11-29 22:53:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2020-11-29 22:53:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:53:58,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 144 states and 173 transitions. [2020-11-29 22:53:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 173 transitions. [2020-11-29 22:53:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 22:53:59,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 146 states and 177 transitions. [2020-11-29 22:53:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2020-11-29 22:53:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 22:53:59,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:53:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 150 states and 185 transitions. [2020-11-29 22:53:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2020-11-29 22:53:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:53:59,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:53:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2020-11-29 22:54:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2020-11-29 22:54:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:54:00,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 151 states and 186 transitions. [2020-11-29 22:54:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2020-11-29 22:54:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:54:00,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2020-11-29 22:54:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2020-11-29 22:54:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 22:54:00,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2020-11-29 22:54:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2020-11-29 22:54:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 22:54:01,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:02,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2020-11-29 22:54:02,761 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2020-11-29 22:54:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 22:54:02,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2020-11-29 22:54:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2020-11-29 22:54:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 22:54:03,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 164 states and 211 transitions. [2020-11-29 22:54:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2020-11-29 22:54:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:54:05,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 213 transitions. [2020-11-29 22:54:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2020-11-29 22:54:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 22:54:06,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 167 states and 216 transitions. [2020-11-29 22:54:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2020-11-29 22:54:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:54:06,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:54:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2020-11-29 22:54:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2020-11-29 22:54:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:54:07,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 167 states and 214 transitions. [2020-11-29 22:54:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 214 transitions. [2020-11-29 22:54:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:54:07,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 222 transitions. [2020-11-29 22:54:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2020-11-29 22:54:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:54:10,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 174 states and 227 transitions. [2020-11-29 22:54:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 227 transitions. [2020-11-29 22:54:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:54:12,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 175 states and 229 transitions. [2020-11-29 22:54:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2020-11-29 22:54:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:54:12,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 177 states and 232 transitions. [2020-11-29 22:54:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2020-11-29 22:54:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:54:13,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2020-11-29 22:54:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2020-11-29 22:54:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:54:14,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 183 states and 246 transitions. [2020-11-29 22:54:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 246 transitions. [2020-11-29 22:54:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:54:16,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 184 states and 248 transitions. [2020-11-29 22:54:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2020-11-29 22:54:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:54:17,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 186 states and 251 transitions. [2020-11-29 22:54:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 251 transitions. [2020-11-29 22:54:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:54:18,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 190 states and 260 transitions. [2020-11-29 22:54:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2020-11-29 22:54:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:54:20,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 192 states and 265 transitions. [2020-11-29 22:54:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 265 transitions. [2020-11-29 22:54:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:54:22,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2020-11-29 22:54:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2020-11-29 22:54:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:54:23,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:54:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 171 states and 230 transitions. [2020-11-29 22:54:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2020-11-29 22:54:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:54:24,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2020-11-29 22:54:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2020-11-29 22:54:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:54:28,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:54:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 274 transitions. [2020-11-29 22:54:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 274 transitions. [2020-11-29 22:54:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:54:40,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:54:51,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 208 states and 298 transitions. [2020-11-29 22:54:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 298 transitions. [2020-11-29 22:54:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:54:51,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:54:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:54:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 302 transitions. [2020-11-29 22:54:53,740 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 302 transitions. [2020-11-29 22:54:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:54:53,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:54:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:54:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 228 states and 336 transitions. [2020-11-29 22:55:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 336 transitions. [2020-11-29 22:55:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:55:07,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 245 states and 371 transitions. [2020-11-29 22:55:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 371 transitions. [2020-11-29 22:55:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:55:24,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 247 states and 374 transitions. [2020-11-29 22:55:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 374 transitions. [2020-11-29 22:55:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:55:27,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 249 states and 376 transitions. [2020-11-29 22:55:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 376 transitions. [2020-11-29 22:55:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:55:29,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:55:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2020-11-29 22:55:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2020-11-29 22:55:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:55:30,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:55:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 251 states and 375 transitions. [2020-11-29 22:55:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2020-11-29 22:55:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:55:30,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:30,418 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-11-29 22:55:30,424 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2020-11-29 22:55:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:30,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 31 conjunts are in the unsatisfiable core [2020-11-29 22:55:30,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:55:30,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-11-29 22:55:30,598 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:30,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:30,691 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:55:30,691 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 22:55:32,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 22:55:32,269 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 22:55:32,270 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:32,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:32,304 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:32,305 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-11-29 22:55:32,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:55:32,312 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:32,326 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:32,326 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:55:32,327 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2020-11-29 22:55:32,806 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-29 22:55:32,807 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:32,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:32,824 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:55:32,825 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:37 [2020-11-29 22:55:33,307 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2020-11-29 22:55:33,309 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 22:55:33,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:33,323 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 22:55:33,324 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:25 [2020-11-29 22:55:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 260 states and 393 transitions. [2020-11-29 22:55:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 393 transitions. [2020-11-29 22:55:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:55:49,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:55:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 259 states and 391 transitions. [2020-11-29 22:55:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 391 transitions. [2020-11-29 22:55:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:55:49,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:55:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:55:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 260 states and 393 transitions. [2020-11-29 22:55:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 393 transitions. [2020-11-29 22:55:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:55:53,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:55:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:53,781 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-11-29 22:55:53,788 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2020-11-29 22:55:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:53,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 22:55:53,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:55:53,852 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-11-29 22:55:53,852 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:53,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:53,858 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:55:53,858 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 22:55:54,805 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:55:54,806 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-11-29 22:55:54,806 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:55:54,852 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-11-29 22:55:54,853 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 22:55:54,853 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-11-29 22:55:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:56:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:56:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 268 states and 408 transitions. [2020-11-29 22:56:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 408 transitions. [2020-11-29 22:56:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:56:06,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:56:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:56:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:56:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:56:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 278 states and 430 transitions. [2020-11-29 22:56:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 430 transitions. [2020-11-29 22:56:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:56:29,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:56:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:56:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:56:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:56:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 288 states and 455 transitions. [2020-11-29 22:56:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 455 transitions. [2020-11-29 22:56:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:56:56,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:56:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:56:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:57:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:57:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 295 states and 466 transitions. [2020-11-29 22:57:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 466 transitions. [2020-11-29 22:57:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:57:05,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:57:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:57:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:57:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:57:09,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 297 states and 469 transitions. [2020-11-29 22:57:09,715 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 469 transitions. [2020-11-29 22:57:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 22:57:09,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:57:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:57:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:57:40,050 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-11-29 22:57:43,534 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-11-29 22:57:47,169 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-11-29 22:58:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:58:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 310 states and 497 transitions. [2020-11-29 22:58:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 497 transitions. [2020-11-29 22:58:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 22:58:02,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:58:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:58:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:58:25,445 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-11-29 22:58:29,459 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-11-29 22:58:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:58:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 320 states and 515 transitions. [2020-11-29 22:58:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 515 transitions. [2020-11-29 22:58:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:58:38,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:58:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:58:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:58:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:58:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 319 states and 513 transitions. [2020-11-29 22:58:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 513 transitions. [2020-11-29 22:58:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:58:39,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:58:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:58:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:58:55,756 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-11-29 22:58:57,189 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-11-29 22:58:59,969 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-11-29 22:59:01,400 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-11-29 22:59:04,171 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-11-29 22:59:05,622 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-11-29 22:59:09,820 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-11-29 22:59:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:59:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 327 states and 529 transitions. [2020-11-29 22:59:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 529 transitions. [2020-11-29 22:59:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:59:29,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:59:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:59:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:59:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:59:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 330 states and 542 transitions. [2020-11-29 22:59:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 542 transitions. [2020-11-29 22:59:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:59:34,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:59:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:59:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:59:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:59:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 335 states and 551 transitions. [2020-11-29 22:59:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 551 transitions. [2020-11-29 22:59:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:59:47,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:59:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:59:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:59:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:59:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 337 states and 554 transitions. [2020-11-29 22:59:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 554 transitions. [2020-11-29 22:59:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 22:59:55,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:59:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:59:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 22:59:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:59:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 337 states and 553 transitions. [2020-11-29 22:59:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 553 transitions. [2020-11-29 22:59:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 22:59:58,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:59:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:59:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 23:00:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:00:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 337 states and 552 transitions. [2020-11-29 23:00:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 552 transitions. [2020-11-29 23:00:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:00:01,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:00:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:00:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:00:23,942 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-11-29 23:00:25,718 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-11-29 23:00:30,725 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-29 23:00:33,916 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-11-29 23:00:35,968 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-11-29 23:00:41,201 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-11-29 23:00:58,549 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:01:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:01:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 349 states and 579 transitions. [2020-11-29 23:01:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 579 transitions. [2020-11-29 23:01:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:01:13,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:01:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:01:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 23:01:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:01:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 351 states and 581 transitions. [2020-11-29 23:01:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 581 transitions. [2020-11-29 23:01:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:01:21,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:01:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:01:21,497 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-11-29 23:01:21,504 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2020-11-29 23:01:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:01:21,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 23:01:21,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:01:21,588 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-11-29 23:01:21,589 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:01:21,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:01:21,599 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 23:01:21,599 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 23:01:21,650 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:01:21,650 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-11-29 23:01:21,651 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:01:21,687 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-11-29 23:01:21,687 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 23:01:21,687 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-11-29 23:01:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:01:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:01:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 355 states and 588 transitions. [2020-11-29 23:01:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 588 transitions. [2020-11-29 23:01:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:01:40,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:01:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:01:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:02:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:02:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 362 states and 599 transitions. [2020-11-29 23:02:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 599 transitions. [2020-11-29 23:02:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:02:08,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:02:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:02:08,335 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-11-29 23:02:08,344 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2020-11-29 23:02:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:02:08,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 23:02:08,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:02:08,424 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-11-29 23:02:08,424 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:02:08,438 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:02:08,438 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 23:02:08,439 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 23:02:08,500 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:02:08,500 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-11-29 23:02:08,501 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:02:08,546 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-11-29 23:02:08,546 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 23:02:08,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-11-29 23:02:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:02:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:02:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 367 states and 606 transitions. [2020-11-29 23:02:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 606 transitions. [2020-11-29 23:02:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:02:25,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:02:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:02:25,051 ERROR L253 erpolLogProxyWrapper]: Interpolant 10 not inductive [2020-11-29 23:02:25,058 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2020-11-29 23:02:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:02:25,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 23:02:25,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:02:25,151 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2020-11-29 23:02:25,152 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:02:25,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:02:25,172 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 23:02:25,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 23:02:25,258 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 23:02:25,259 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-11-29 23:02:25,259 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 23:02:25,314 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-11-29 23:02:25,314 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 23:02:25,314 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-11-29 23:02:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:02:27,295 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-11-29 23:02:28,034 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-11-29 23:02:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:02:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 369 states and 609 transitions. [2020-11-29 23:02:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 609 transitions. [2020-11-29 23:02:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 23:02:36,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:02:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:02:36,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:02:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:02:36,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:02:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:02:36,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:02:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:02:37,073 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:02:37,115 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 70 iterations. [2020-11-29 23:02:37,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:02:37 ImpRootNode [2020-11-29 23:02:37,159 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:02:37,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:02:37,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:02:37,160 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:02:37,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:57" (3/4) ... [2020-11-29 23:02:37,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:02:37,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:02:37,164 INFO L168 Benchmark]: Toolchain (without parser) took 521708.22 ms. Allocated memory was 92.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 57.4 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 312.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,165 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:02:37,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.16 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 56.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.55 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 53.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,167 INFO L168 Benchmark]: Boogie Preprocessor took 77.00 ms. Allocated memory is still 92.3 MB. Free memory was 53.8 MB in the beginning and 51.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,168 INFO L168 Benchmark]: RCFGBuilder took 1024.43 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 81.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,168 INFO L168 Benchmark]: CodeCheck took 519915.56 ms. Allocated memory was 111.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 80.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 317.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:37,169 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:02:37,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 132 locations, 65 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 519.8s, OverallIterations: 70, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1325461632 SDtfs, 1909542048 SDslu, 217315092 SDs, 0 SdLazy, 812766118 SolverSat, -809110926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13224 GetRequests, 11785 SyntacticMatches, 347 SemanticMatches, 1092 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566242 ImplicationChecksByTransitivity, 510.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 76.7s InterpolantComputationTime, 1488 NumberOfCodeBlocks, 1488 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 1383 ConstructedInterpolants, 16 QuantifiedInterpolants, 284172 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1087 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 69 InterpolantComputations, 50 PerfectInterpolantSequences, 182/218 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) [L603] EXPR node->left [L603] node->left->left = ((void *)0) [L604] EXPR node->left [L604] node->left->right = ((void *)0) [L605] EXPR node->left [L605] node->left->value = 42 [L606] EXPR node->left [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L575] COND FALSE !(!(node)) [L576] COND TRUE node != ((void *)0) [L577] node->left [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value [L579] COND TRUE !(node->value) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.16 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 56.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.55 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 53.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.00 ms. Allocated memory is still 92.3 MB. Free memory was 53.8 MB in the beginning and 51.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1024.43 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 81.7 MB in the end (delta: -30.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * CodeCheck took 519915.56 ms. Allocated memory was 111.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 80.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 317.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:02:39,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:02:39,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:02:39,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:02:39,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:02:39,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:02:39,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:02:39,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:02:39,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:02:39,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:02:39,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:02:39,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:02:39,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:02:39,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:02:39,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:02:39,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:02:39,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:02:39,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:02:39,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:02:39,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:02:39,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:02:39,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:02:39,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:02:39,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:02:39,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:02:39,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:02:39,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:02:39,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:02:39,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:02:39,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:02:39,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:02:39,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:02:39,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:02:39,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:02:39,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:02:39,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:02:39,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:02:39,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:02:39,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:02:39,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:02:39,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:02:39,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-11-29 23:02:39,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:02:39,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:02:39,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:02:39,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:02:39,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:02:39,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:02:39,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:02:39,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:02:39,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:02:39,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:02:39,778 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:02:39,778 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:02:39,778 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:02:39,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:02:39,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:02:39,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:02:39,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:02:39,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:02:39,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:02:39,780 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:02:39,780 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:02:39,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:02:39,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:02:39,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:02:39,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:02:39,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:02:39,781 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 23:02:39,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:02:39,782 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 23:02:39,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:02:39,782 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8850e617230fbb23d096e299440f36502352977 [2020-11-29 23:02:40,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:02:40,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:02:40,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:02:40,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:02:40,201 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:02:40,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2020-11-29 23:02:40,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/22cd9a1a1/62b98ff186a44964a72e5d93b95fc130/FLAG4c1cc25f4 [2020-11-29 23:02:40,941 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:02:40,942 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/sv-benchmarks/c/heap-manipulation/tree-2.i [2020-11-29 23:02:40,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/22cd9a1a1/62b98ff186a44964a72e5d93b95fc130/FLAG4c1cc25f4 [2020-11-29 23:02:41,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/data/22cd9a1a1/62b98ff186a44964a72e5d93b95fc130 [2020-11-29 23:02:41,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:02:41,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:02:41,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:02:41,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:02:41,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:02:41,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41, skipping insertion in model container [2020-11-29 23:02:41,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:02:41,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:02:41,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:02:41,635 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:02:41,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:02:41,742 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:02:41,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41 WrapperNode [2020-11-29 23:02:41,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:02:41,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:02:41,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:02:41,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:02:41,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:02:41,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:02:41,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:02:41,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:02:41,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... [2020-11-29 23:02:41,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:02:41,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:02:41,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:02:41,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:02:41,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:02:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2ed0058-245a-47c5-a3ea-cf2d81e07c20/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:02:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 23:02:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:02:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 23:02:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 23:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 23:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:02:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:02:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:02:43,532 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:02:43,533 INFO L298 CfgBuilder]: Removed 33 assume(true) statements. [2020-11-29 23:02:43,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:02:43 BoogieIcfgContainer [2020-11-29 23:02:43,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:02:43,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:02:43,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:02:43,548 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:02:43,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:02:43" (1/1) ... [2020-11-29 23:02:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:02:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:02:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2020-11-29 23:02:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2020-11-29 23:02:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 23:02:43,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:02:43,669 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:02:43,674 INFO L168 Benchmark]: Toolchain (without parser) took 2424.86 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 46.4 MB in the beginning and 46.3 MB in the end (delta: 131.6 kB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,675 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:02:43,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.78 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 37.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.03 ms. Allocated memory is still 69.2 MB. Free memory was 37.5 MB in the beginning and 35.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,678 INFO L168 Benchmark]: Boogie Preprocessor took 49.28 ms. Allocated memory is still 69.2 MB. Free memory was 35.0 MB in the beginning and 50.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,678 INFO L168 Benchmark]: RCFGBuilder took 1685.57 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 50.8 MB in the beginning and 51.5 MB in the end (delta: -689.8 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,679 INFO L168 Benchmark]: CodeCheck took 136.01 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 46.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:02:43,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.78 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 37.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.03 ms. Allocated memory is still 69.2 MB. Free memory was 37.5 MB in the beginning and 35.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.28 ms. Allocated memory is still 69.2 MB. Free memory was 35.0 MB in the beginning and 50.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1685.57 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 50.8 MB in the beginning and 51.5 MB in the end (delta: -689.8 kB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 136.01 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 46.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...