./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:18:35,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:18:35,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:18:35,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:18:35,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:18:35,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:18:35,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:18:35,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:18:35,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:18:35,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:18:35,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:18:35,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:18:35,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:18:35,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:18:35,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:18:35,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:18:35,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:18:35,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:18:35,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:18:35,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:18:35,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:18:35,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:18:35,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:18:35,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:18:35,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:18:35,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:18:35,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:18:35,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:18:35,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:18:35,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:18:35,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:18:35,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:18:35,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:18:35,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:18:35,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:18:35,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:18:35,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:18:35,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:18:35,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:18:35,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:18:35,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:18:35,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 11:18:35,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:18:35,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:18:35,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:18:35,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:18:35,271 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:18:35,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:18:35,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:18:35,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:18:35,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:18:35,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:18:35,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:18:35,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:18:35,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:18:35,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:18:35,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:18:35,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:18:35,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:18:35,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:18:35,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:18:35,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:18:35,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:18:35,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:18:35,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:18:35,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer 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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d [2019-11-20 11:18:35,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:18:35,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:18:35,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:18:35,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:18:35,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:18:35,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test10.c [2019-11-20 11:18:35,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/data/04981772a/6ed2d48682214cdfbc6e341669f723f3/FLAGb520c7e38 [2019-11-20 11:18:35,808 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:18:35,810 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/sv-benchmarks/c/ldv-regression/test10.c [2019-11-20 11:18:35,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/data/04981772a/6ed2d48682214cdfbc6e341669f723f3/FLAGb520c7e38 [2019-11-20 11:18:36,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/data/04981772a/6ed2d48682214cdfbc6e341669f723f3 [2019-11-20 11:18:36,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:18:36,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:18:36,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:36,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:18:36,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:18:36,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5195dffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36, skipping insertion in model container [2019-11-20 11:18:36,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,231 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:18:36,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:18:36,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:36,402 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:18:36,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:18:36,494 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:18:36,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36 WrapperNode [2019-11-20 11:18:36,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:18:36,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:36,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:18:36,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:18:36,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:18:36,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:18:36,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:18:36,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:18:36,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2019-11-20 11:18:36,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:18:36,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:18:36,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:18:36,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:18:36,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-20 11:18:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 11:18:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 11:18:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 11:18:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 11:18:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:18:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 11:18:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:18:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:18:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 11:18:36,972 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:18:36,973 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 11:18:36,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36 BoogieIcfgContainer [2019-11-20 11:18:36,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:18:36,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:18:36,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:18:36,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:18:36,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:18:36" (1/3) ... [2019-11-20 11:18:36,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319db413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:36, skipping insertion in model container [2019-11-20 11:18:36,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (2/3) ... [2019-11-20 11:18:36,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319db413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:36, skipping insertion in model container [2019-11-20 11:18:36,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36" (3/3) ... [2019-11-20 11:18:36,982 INFO L109 eAbstractionObserver]: Analyzing ICFG test10.c [2019-11-20 11:18:36,991 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:18:36,997 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 11:18:37,012 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 11:18:37,030 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:18:37,031 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:18:37,031 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:18:37,031 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:18:37,031 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:18:37,032 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:18:37,032 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:18:37,032 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:18:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 11:18:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 11:18:37,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:37,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 11:18:37,055 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:37,060 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2019-11-20 11:18:37,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:18:37,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233315562] [2019-11-20 11:18:37,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:18:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:18:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:37,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233315562] [2019-11-20 11:18:37,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:18:37,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 11:18:37,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144872692] [2019-11-20 11:18:37,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 11:18:37,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:18:37,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 11:18:37,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 11:18:37,500 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-11-20 11:18:37,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:18:37,715 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-20 11:18:37,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 11:18:37,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-20 11:18:37,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:18:37,725 INFO L225 Difference]: With dead ends: 16 [2019-11-20 11:18:37,725 INFO L226 Difference]: Without dead ends: 7 [2019-11-20 11:18:37,728 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 11:18:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-20 11:18:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-20 11:18:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 11:18:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-11-20 11:18:37,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-11-20 11:18:37,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:18:37,770 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-11-20 11:18:37,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 11:18:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-11-20 11:18:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 11:18:37,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 11:18:37,771 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 11:18:37,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 11:18:37,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:18:37,773 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2019-11-20 11:18:37,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:18:37,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740279371] [2019-11-20 11:18:37,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:18:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:18:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:18:37,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740279371] [2019-11-20 11:18:37,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:18:37,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 11:18:37,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434817158] [2019-11-20 11:18:37,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 11:18:37,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:18:37,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 11:18:37,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 11:18:37,923 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2019-11-20 11:18:38,138 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2019-11-20 11:18:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:18:38,273 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2019-11-20 11:18:38,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:18:38,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-11-20 11:18:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 11:18:38,274 INFO L225 Difference]: With dead ends: 7 [2019-11-20 11:18:38,274 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 11:18:38,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 11:18:38,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 11:18:38,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 11:18:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 11:18:38,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 11:18:38,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-20 11:18:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 11:18:38,276 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 11:18:38,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 11:18:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 11:18:38,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:18:38,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 11:18:38,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 11:18:38,362 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 11:18:38,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 11:18:38,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 11:18:38,362 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-11-20 11:18:38,363 INFO L440 ceAbstractionStarter]: At program point L48(lines 16 49) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| ~pp2~0.base)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| ~pp2~0.base) |~#p1~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-20 11:18:38,363 INFO L440 ceAbstractionStarter]: At program point L13(lines 9 14) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| ~pp2~0.base)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| ~pp2~0.base) |~#p1~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (= |~#p1~0.offset| ~pp2~0.offset) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-20 11:18:38,363 INFO L440 ceAbstractionStarter]: At program point L42(lines 16 49) the Hoare annotation is: false [2019-11-20 11:18:38,363 INFO L444 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2019-11-20 11:18:38,363 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-11-20 11:18:38,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:18:38 BoogieIcfgContainer [2019-11-20 11:18:38,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:18:38,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:18:38,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:18:38,408 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:18:38,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36" (3/4) ... [2019-11-20 11:18:38,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:18:38,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 11:18:38,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 11:18:38,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 11:18:38,492 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ab5251c-8796-4d26-89d6-07f6d1885430/bin/uautomizer/witness.graphml [2019-11-20 11:18:38,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:18:38,493 INFO L168 Benchmark]: Toolchain (without parser) took 2276.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,494 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:18:38,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,495 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:18:38,496 INFO L168 Benchmark]: RCFGBuilder took 431.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,496 INFO L168 Benchmark]: TraceAbstraction took 1430.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,497 INFO L168 Benchmark]: Witness Printer took 84.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:18:38,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 431.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1430.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-11-20 11:18:38,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((!(p2 == a) && !(b == p2)) && !(b == a)) && pp2 == p1) && !(b == pp2)) && b == #memory_$Pointer$[pp2][p1]) && b == #memory_$Pointer$[p1][p1]) && !(p1 == a) - InvariantResult [Line: 9]: Loop Invariant [2019-11-20 11:18:38,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-20 11:18:38,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-20 11:18:38,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-20 11:18:38,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(p2 == a) && !(b == p2)) && !(b == a)) && pp2 == p1) && !(b == pp2)) && b == #memory_$Pointer$[pp2][p1]) && b == #memory_$Pointer$[p1][p1]) && p1 == pp2) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 80 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...