./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63303d7ef35f153a8bd897bdcb496a54fed422c9 .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63303d7ef35f153a8bd897bdcb496a54fed422c9 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:18:39,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:18:39,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:18:39,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:18:39,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:18:39,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:18:39,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:18:39,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:18:39,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:18:39,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:18:39,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:18:39,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:18:39,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:18:39,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:18:39,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:18:39,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:18:39,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:18:39,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:18:39,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:18:39,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:18:39,322 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:18:39,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:18:39,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:18:39,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:18:39,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:18:39,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:18:39,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:18:39,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:18:39,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:18:39,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:18:39,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:18:39,329 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:18:39,329 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:18:39,329 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:18:39,330 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:18:39,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:18:39,330 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:18:39,340 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:18:39,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:18:39,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:18:39,341 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:18:39,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:18:39,342 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:18:39,343 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:18:39,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:18:39,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:18:39,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:18:39,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:18:39,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:18:39,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:18:39,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:18:39,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:18:39,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:18:39,346 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan 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 -> Taipan 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2018-11-23 16:18:39,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:18:39,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:18:39,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:18:39,380 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:18:39,380 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:18:39,381 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/../../sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-23 16:18:39,419 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/35a827fb0/e3f476b7a81245da9810eb17e9c7540f/FLAG25ec31c4a [2018-11-23 16:18:39,832 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:18:39,832 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-23 16:18:39,837 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/35a827fb0/e3f476b7a81245da9810eb17e9c7540f/FLAG25ec31c4a [2018-11-23 16:18:39,849 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/35a827fb0/e3f476b7a81245da9810eb17e9c7540f [2018-11-23 16:18:39,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:18:39,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:18:39,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:18:39,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:18:39,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:18:39,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:18:39" (1/1) ... [2018-11-23 16:18:39,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cce0b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:39, skipping insertion in model container [2018-11-23 16:18:39,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:18:39" (1/1) ... [2018-11-23 16:18:39,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:18:39,881 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:18:39,989 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:18:44,507 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:18:44,518 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:18:44,555 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:18:44,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44 WrapperNode [2018-11-23 16:18:44,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:18:44,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:18:44,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:18:44,556 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:18:44,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:18:44,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:18:44,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:18:44,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:18:44,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... [2018-11-23 16:18:44,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:18:44,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:18:44,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:18:44,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:18:44,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/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 [2018-11-23 16:18:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 16:18:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:18:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:18:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:18:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:18:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:18:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 16:18:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:18:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:18:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 16:18:44,824 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:18:44,824 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 16:18:44,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:18:44 BoogieIcfgContainer [2018-11-23 16:18:44,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:18:44,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:18:44,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:18:44,832 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:18:44,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:18:39" (1/3) ... [2018-11-23 16:18:44,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b51340c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:18:44, skipping insertion in model container [2018-11-23 16:18:44,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:44" (2/3) ... [2018-11-23 16:18:44,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b51340c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:18:44, skipping insertion in model container [2018-11-23 16:18:44,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:18:44" (3/3) ... [2018-11-23 16:18:44,834 INFO L112 eAbstractionObserver]: Analyzing ICFG heavy_true-unreach-call.c [2018-11-23 16:18:44,842 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:18:44,848 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:18:44,858 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:18:44,878 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:18:44,878 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:18:44,878 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:18:44,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:18:44,879 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:18:44,879 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:18:44,879 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:18:44,879 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:18:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 16:18:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 16:18:44,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:18:44,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:18:44,898 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:18:44,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:18:44,903 INFO L82 PathProgramCache]: Analyzing trace with hash 242978043, now seen corresponding path program 1 times [2018-11-23 16:18:44,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:18:44,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:44,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:18:44,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:44,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:18:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:18:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:18:44,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:18:44,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:18:44,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:18:44,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:18:45,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:18:45,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:18:45,009 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 16:18:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:18:45,020 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2018-11-23 16:18:45,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:18:45,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-23 16:18:45,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:18:45,029 INFO L225 Difference]: With dead ends: 32 [2018-11-23 16:18:45,029 INFO L226 Difference]: Without dead ends: 15 [2018-11-23 16:18:45,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:18:45,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-23 16:18:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-23 16:18:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 16:18:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-11-23 16:18:45,054 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2018-11-23 16:18:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:18:45,054 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-11-23 16:18:45,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:18:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-23 16:18:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 16:18:45,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:18:45,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:18:45,056 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:18:45,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:18:45,056 INFO L82 PathProgramCache]: Analyzing trace with hash 242949213, now seen corresponding path program 1 times [2018-11-23 16:18:45,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:18:45,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:45,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:18:45,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:45,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:18:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:18:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:18:45,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:18:45,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:18:45,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:18:45,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:18:45,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:18:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:18:45,100 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2018-11-23 16:18:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:18:45,124 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2018-11-23 16:18:45,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:18:45,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 16:18:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:18:45,125 INFO L225 Difference]: With dead ends: 24 [2018-11-23 16:18:45,125 INFO L226 Difference]: Without dead ends: 21 [2018-11-23 16:18:45,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:18:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-23 16:18:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2018-11-23 16:18:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 16:18:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-11-23 16:18:45,128 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 9 [2018-11-23 16:18:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:18:45,128 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-11-23 16:18:45,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:18:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-23 16:18:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 16:18:45,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:18:45,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:18:45,129 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:18:45,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:18:45,129 INFO L82 PathProgramCache]: Analyzing trace with hash 713101374, now seen corresponding path program 1 times [2018-11-23 16:18:45,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:18:45,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:45,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:18:45,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:18:45,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:18:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:18:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:18:45,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:18:45,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:18:45,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-11-23 16:18:45,201 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [11], [13], [19], [39], [45], [48], [51], [52], [53] [2018-11-23 16:18:45,222 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:18:45,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:18:45,283 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-23 16:18:45,286 INFO L168 Benchmark]: Toolchain (without parser) took 5434.36 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 959.2 MB in the beginning and 1.4 GB in the end (delta: -402.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 16:18:45,288 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:18:45,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4700.80 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 959.2 MB in the beginning and 1.5 GB in the end (delta: -507.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 16:18:45,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.48 ms. Allocated memory is still 3.0 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:18:45,289 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 ms. Allocated memory is still 3.0 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:45,290 INFO L168 Benchmark]: RCFGBuilder took 234.27 ms. Allocated memory is still 3.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:45,290 INFO L168 Benchmark]: TraceAbstraction took 456.69 ms. Allocated memory is still 3.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:45,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4700.80 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 959.2 MB in the beginning and 1.5 GB in the end (delta: -507.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.48 ms. Allocated memory is still 3.0 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.76 ms. Allocated memory is still 3.0 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 234.27 ms. Allocated memory is still 3.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 456.69 ms. Allocated memory is still 3.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 16:18:46,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:18:46,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:18:46,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:18:46,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:18:46,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:18:46,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:18:46,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:18:46,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:18:46,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:18:46,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:18:46,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:18:46,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:18:46,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:18:46,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:18:46,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:18:46,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:18:46,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:18:46,783 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:18:46,784 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:18:46,785 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:18:46,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:18:46,787 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:18:46,787 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:18:46,788 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:18:46,788 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:18:46,789 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:18:46,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:18:46,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:18:46,791 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:18:46,791 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:18:46,791 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:18:46,791 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:18:46,792 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:18:46,792 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:18:46,793 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:18:46,793 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 16:18:46,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:18:46,804 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:18:46,804 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:18:46,804 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:18:46,805 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:18:46,805 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:18:46,805 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:18:46,805 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:18:46,805 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:18:46,805 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:18:46,806 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:18:46,806 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:18:46,806 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:18:46,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:18:46,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:18:46,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:18:46,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:18:46,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:18:46,808 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:18:46,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:18:46,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:18:46,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:18:46,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:18:46,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 16:18:46,809 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan 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 -> Taipan 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2018-11-23 16:18:46,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:18:46,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:18:46,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:18:46,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:18:46,847 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:18:46,848 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/../../sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-23 16:18:46,883 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/b62202887/cea70f75a6a24cf4a0578c07e26c3bfa/FLAGd116bc4ce [2018-11-23 16:18:47,280 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:18:47,281 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-23 16:18:47,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/b62202887/cea70f75a6a24cf4a0578c07e26c3bfa/FLAGd116bc4ce [2018-11-23 16:18:47,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/data/b62202887/cea70f75a6a24cf4a0578c07e26c3bfa [2018-11-23 16:18:47,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:18:47,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:18:47,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:18:47,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:18:47,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:18:47,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:18:47" (1/1) ... [2018-11-23 16:18:47,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb4a9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:47, skipping insertion in model container [2018-11-23 16:18:47,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:18:47" (1/1) ... [2018-11-23 16:18:47,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:18:47,328 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:18:47,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:18:52,203 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:18:52,214 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:18:52,254 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:18:52,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52 WrapperNode [2018-11-23 16:18:52,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:18:52,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:18:52,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:18:52,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:18:52,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:18:52,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:18:52,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:18:52,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:18:52,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... [2018-11-23 16:18:52,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:18:52,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:18:52,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:18:52,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:18:52,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/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 [2018-11-23 16:18:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:18:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:18:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:18:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 16:18:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 16:18:52,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:18:52,476 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 16:18:52,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:18:52 BoogieIcfgContainer [2018-11-23 16:18:52,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:18:52,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:18:52,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:18:52,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:18:52,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:18:47" (1/3) ... [2018-11-23 16:18:52,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a4e6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:18:52, skipping insertion in model container [2018-11-23 16:18:52,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:18:52" (2/3) ... [2018-11-23 16:18:52,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a4e6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:18:52, skipping insertion in model container [2018-11-23 16:18:52,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:18:52" (3/3) ... [2018-11-23 16:18:52,482 INFO L112 eAbstractionObserver]: Analyzing ICFG heavy_true-unreach-call.c [2018-11-23 16:18:52,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:18:52,493 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:18:52,502 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:18:52,519 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 16:18:52,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:18:52,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:18:52,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:18:52,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:18:52,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:18:52,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:18:52,521 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:18:52,521 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:18:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 16:18:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 16:18:52,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:18:52,536 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:18:52,537 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:18:52,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:18:52,540 INFO L82 PathProgramCache]: Analyzing trace with hash 242978043, now seen corresponding path program 1 times [2018-11-23 16:18:52,543 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 16:18:52,543 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 16:18:52,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:18:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:18:52,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:18:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:18:52,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:18:52,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:18:52,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:18:52,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:18:52,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:18:52,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:18:52,620 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 16:18:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:18:52,630 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2018-11-23 16:18:52,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:18:52,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-23 16:18:52,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:18:52,637 INFO L225 Difference]: With dead ends: 32 [2018-11-23 16:18:52,637 INFO L226 Difference]: Without dead ends: 15 [2018-11-23 16:18:52,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:18:52,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-23 16:18:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-23 16:18:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 16:18:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-11-23 16:18:52,663 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2018-11-23 16:18:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:18:52,663 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-11-23 16:18:52,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:18:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-23 16:18:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 16:18:52,664 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:18:52,664 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:18:52,665 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:18:52,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:18:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash 242949213, now seen corresponding path program 1 times [2018-11-23 16:18:52,665 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 16:18:52,665 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 16:18:52,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:18:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:18:52,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:18:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:18:52,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 16:18:52,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:18:52,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:18:52,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:18:52,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:18:52,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:18:52,719 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2018-11-23 16:18:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:18:52,722 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2018-11-23 16:18:52,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:18:52,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 16:18:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:18:52,723 INFO L225 Difference]: With dead ends: 15 [2018-11-23 16:18:52,723 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:18:52,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:18:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:18:52,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:18:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:18:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:18:52,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 16:18:52,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:18:52,724 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:18:52,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:18:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:18:52,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:18:52,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:18:52,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:18:52,770 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:18:52,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 16:18:52,771 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:18:52,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5 21) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5 21) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2018-11-23 16:18:52,771 INFO L444 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-23 16:18:52,771 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5 21) the Hoare annotation is: true [2018-11-23 16:18:52,772 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-23 16:18:52,772 INFO L444 ceAbstractionStarter]: At program point L16(lines 6 21) the Hoare annotation is: false [2018-11-23 16:18:52,772 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 12 13) no Hoare annotation was computed. [2018-11-23 16:18:52,772 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-23 16:18:52,772 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 10 13) no Hoare annotation was computed. [2018-11-23 16:18:52,772 INFO L444 ceAbstractionStarter]: At program point L10-3(lines 10 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-23 16:18:52,772 INFO L448 ceAbstractionStarter]: For program point L10-4(lines 6 21) no Hoare annotation was computed. [2018-11-23 16:18:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:18:52 BoogieIcfgContainer [2018-11-23 16:18:52,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:18:52,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:18:52,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:18:52,781 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:18:52,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:18:52" (3/4) ... [2018-11-23 16:18:52,783 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:18:52,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:18:52,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:18:52,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 16:18:52,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 16:18:52,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:18:52,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:18:52,815 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fab49b04-8c15-4102-b9f5-6aafaf662f25/bin-2019/utaipan/witness.graphml [2018-11-23 16:18:52,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:18:52,816 INFO L168 Benchmark]: Toolchain (without parser) took 5520.11 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 949.2 MB in the beginning and 1.7 GB in the end (delta: -720.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 16:18:52,817 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:18:52,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4957.54 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 949.2 MB in the beginning and 1.9 GB in the end (delta: -945.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 16:18:52,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.27 ms. Allocated memory is still 3.1 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:18:52,818 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 3.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:52,818 INFO L168 Benchmark]: RCFGBuilder took 187.14 ms. Allocated memory is still 3.1 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:52,818 INFO L168 Benchmark]: TraceAbstraction took 302.70 ms. Allocated memory is still 3.1 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2018-11-23 16:18:52,819 INFO L168 Benchmark]: Witness Printer took 35.01 ms. Allocated memory is still 3.1 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:18:52,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 4957.54 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 949.2 MB in the beginning and 1.9 GB in the end (delta: -945.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.27 ms. Allocated memory is still 3.1 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.03 ms. Allocated memory is still 3.1 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 187.14 ms. Allocated memory is still 3.1 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302.70 ms. Allocated memory is still 3.1 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 130.1 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.01 ms. Allocated memory is still 3.1 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 10]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 20 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 1 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...