./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 35e2f86bf3e470750dbe0c4c2347087df6a769a9 ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 35e2f86bf3e470750dbe0c4c2347087df6a769a9 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:42,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:42,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:42,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:42,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:42,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:42,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:42,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:42,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:42,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:42,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:42,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:42,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:42,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:42,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:42,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:42,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:42,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:42,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:42,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:42,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:42,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:42,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:42,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:42,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:42,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:42,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:42,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:42,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:42,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:42,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:42,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:42,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:42,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:42,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:42,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:42,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:42,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:42,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:42,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:42,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:42,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:32:42,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:42,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:42,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:42,152 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:42,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:42,153 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:42,153 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:32:42,153 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:42,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:42,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:32:42,154 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:32:42,154 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:42,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:32:42,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:32:42,155 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:32:42,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:42,156 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:42,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:32:42,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:42,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:42,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:42,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:42,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:42,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:42,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:42,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:42,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:42,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:42,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:42,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:42,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:42,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:42,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:42,160 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:32:42,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:32:42,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:42,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:42,161 INFO L138 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/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 -> 35e2f86bf3e470750dbe0c4c2347087df6a769a9 [2019-11-26 02:32:42,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:42,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:42,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:42,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:42,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:42,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-26 02:32:42,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/83e9cbf26/61cc01d881864f5495a240383f4905e7/FLAG4b8c58b82 [2019-11-26 02:32:42,815 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:42,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-26 02:32:42,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/83e9cbf26/61cc01d881864f5495a240383f4905e7/FLAG4b8c58b82 [2019-11-26 02:32:42,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/83e9cbf26/61cc01d881864f5495a240383f4905e7 [2019-11-26 02:32:42,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:42,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:42,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:42,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:42,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:42,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:42" (1/1) ... [2019-11-26 02:32:42,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee4d6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:42, skipping insertion in model container [2019-11-26 02:32:42,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:42" (1/1) ... [2019-11-26 02:32:42,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:42,870 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:43,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:43,050 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:43,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:43,163 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:43,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43 WrapperNode [2019-11-26 02:32:43,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:43,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:43,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:43,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:43,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:43,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:43,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:43,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:43,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... [2019-11-26 02:32:43,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:43,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:43,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:43,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:43,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 [2019-11-26 02:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:32:43,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:32:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:32:43,556 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:43,557 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:32:43,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:43 BoogieIcfgContainer [2019-11-26 02:32:43,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:43,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:32:43,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:32:43,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:32:43,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:32:42" (1/3) ... [2019-11-26 02:32:43,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d87add0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:43, skipping insertion in model container [2019-11-26 02:32:43,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:43" (2/3) ... [2019-11-26 02:32:43,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d87add0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:43, skipping insertion in model container [2019-11-26 02:32:43,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:43" (3/3) ... [2019-11-26 02:32:43,564 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tiling_tcpy.c [2019-11-26 02:32:43,573 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:32:43,579 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:32:43,589 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:32:43,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:32:43,623 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:32:43,623 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:32:43,623 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:32:43,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:32:43,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:32:43,624 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:32:43,624 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:32:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-26 02:32:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:32:43,651 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:43,652 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:32:43,652 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:43,658 INFO L82 PathProgramCache]: Analyzing trace with hash 70837137, now seen corresponding path program 1 times [2019-11-26 02:32:43,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:43,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180456476] [2019-11-26 02:32:43,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:43,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180456476] [2019-11-26 02:32:43,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:43,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:32:43,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698548590] [2019-11-26 02:32:43,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:32:43,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:32:43,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:32:43,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:32:43,830 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-11-26 02:32:43,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:43,874 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-26 02:32:43,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:32:43,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-26 02:32:43,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:43,884 INFO L225 Difference]: With dead ends: 15 [2019-11-26 02:32:43,885 INFO L226 Difference]: Without dead ends: 8 [2019-11-26 02:32:43,887 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:32:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-26 02:32:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-26 02:32:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-26 02:32:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-26 02:32:43,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-11-26 02:32:43,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:43,917 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-26 02:32:43,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:32:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-26 02:32:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:32:43,918 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:43,918 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:32:43,918 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:43,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2102802422, now seen corresponding path program 1 times [2019-11-26 02:32:43,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:43,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547919317] [2019-11-26 02:32:43,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:43,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547919317] [2019-11-26 02:32:43,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215099007] [2019-11-26 02:32:43,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:32:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:44,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 02:32:44,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:44,095 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:44,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1203538626] [2019-11-26 02:32:44,146 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-26 02:32:44,146 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:32:44,157 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:32:44,168 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:32:44,169 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:32:44,799 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:32:44,926 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-26 02:32:45,204 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-11-26 02:32:45,207 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:32:45,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:32:45,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2019-11-26 02:32:45,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545736980] [2019-11-26 02:32:45,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-26 02:32:45,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:32:45,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-26 02:32:45,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-11-26 02:32:45,210 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 7 states. [2019-11-26 02:32:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:45,237 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-11-26 02:32:45,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:32:45,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-11-26 02:32:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:45,238 INFO L225 Difference]: With dead ends: 14 [2019-11-26 02:32:45,238 INFO L226 Difference]: Without dead ends: 9 [2019-11-26 02:32:45,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-11-26 02:32:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-26 02:32:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-26 02:32:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-26 02:32:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-26 02:32:45,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-11-26 02:32:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:45,242 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-26 02:32:45,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-26 02:32:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-26 02:32:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:32:45,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:45,243 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-26 02:32:45,443 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:32:45,444 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:45,444 INFO L82 PathProgramCache]: Analyzing trace with hash -766152015, now seen corresponding path program 2 times [2019-11-26 02:32:45,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:32:45,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284864559] [2019-11-26 02:32:45,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:32:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:45,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284864559] [2019-11-26 02:32:45,717 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323825996] [2019-11-26 02:32:45,718 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:32:45,782 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-26 02:32:45,783 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:32:45,784 WARN L253 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-26 02:32:45,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:46,087 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:46,340 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:32:46,340 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-26 02:32:46,343 INFO L168 Benchmark]: Toolchain (without parser) took 3510.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:46,344 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-26 02:32:46,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:46,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.40 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. [2019-11-26 02:32:46,345 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 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. [2019-11-26 02:32:46,346 INFO L168 Benchmark]: RCFGBuilder took 335.69 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. [2019-11-26 02:32:46,347 INFO L168 Benchmark]: TraceAbstraction took 2783.79 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: -8.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:46,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 330.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.40 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. * Boogie Preprocessor took 22.76 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. * RCFGBuilder took 335.69 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 2783.79 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: -8.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:48,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:48,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:48,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:48,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:48,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:48,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:48,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:48,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:48,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:48,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:48,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:48,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:48,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:48,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:48,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:48,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:48,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:48,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:48,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:48,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:48,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:48,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:48,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:48,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:48,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:48,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:48,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:48,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:48,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:48,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:48,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:48,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:48,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:48,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:48,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:48,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:48,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:48,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:48,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:48,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:48,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:32:48,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:48,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:48,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:48,483 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:32:48,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:32:48,484 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:32:48,484 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:32:48,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:32:48,485 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:32:48,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:48,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:48,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:48,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:48,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:48,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:48,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:48,488 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:32:48,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:32:48,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:32:48,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:48,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:48,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:32:48,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:48,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:48,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:32:48,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:48,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:32:48,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:32:48,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:48,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:48,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:48,492 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:32:48,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:32:48,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:48,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:32:48,493 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 -> 35e2f86bf3e470750dbe0c4c2347087df6a769a9 [2019-11-26 02:32:48,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:48,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:48,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:48,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:48,798 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:48,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-26 02:32:48,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/4c636b224/5aabc7938312456c89a5873763ce8cf1/FLAGca2694056 [2019-11-26 02:32:49,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:49,281 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2019-11-26 02:32:49,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/4c636b224/5aabc7938312456c89a5873763ce8cf1/FLAGca2694056 [2019-11-26 02:32:49,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/data/4c636b224/5aabc7938312456c89a5873763ce8cf1 [2019-11-26 02:32:49,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:49,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:49,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:49,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:49,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:49,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:49,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bbfe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49, skipping insertion in model container [2019-11-26 02:32:49,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:49,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:49,726 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:49,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:49,927 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:49,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:49,968 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:49,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49 WrapperNode [2019-11-26 02:32:49,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:49,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:49,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:49,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:49,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:49,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:50,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:50,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:50,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:50,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... [2019-11-26 02:32:50,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:50,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:50,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:50,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:50,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/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 [2019-11-26 02:32:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:32:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:32:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:32:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:32:50,374 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:50,374 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:32:50,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:50 BoogieIcfgContainer [2019-11-26 02:32:50,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:50,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:32:50,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:32:50,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:32:50,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:32:49" (1/3) ... [2019-11-26 02:32:50,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca9a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:50, skipping insertion in model container [2019-11-26 02:32:50,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:49" (2/3) ... [2019-11-26 02:32:50,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca9a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:32:50, skipping insertion in model container [2019-11-26 02:32:50,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:50" (3/3) ... [2019-11-26 02:32:50,381 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tiling_tcpy.c [2019-11-26 02:32:50,389 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:32:50,394 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:32:50,403 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:32:50,423 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:32:50,423 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:32:50,423 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:32:50,424 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:32:50,424 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:32:50,424 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:32:50,424 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:32:50,424 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:32:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-26 02:32:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:32:50,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:50,443 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:50,443 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:50,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:50,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1807957391, now seen corresponding path program 1 times [2019-11-26 02:32:50,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:32:50,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [830522171] [2019-11-26 02:32:50,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:32:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:50,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 02:32:50,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:50,604 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:50,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [830522171] [2019-11-26 02:32:50,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:32:50,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 5] imperfect sequences [] total 6 [2019-11-26 02:32:50,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612994296] [2019-11-26 02:32:50,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:32:50,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:32:50,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:32:50,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:32:50,726 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 6 states. [2019-11-26 02:32:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:32:50,942 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2019-11-26 02:32:50,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 02:32:50,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-11-26 02:32:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:32:50,952 INFO L225 Difference]: With dead ends: 35 [2019-11-26 02:32:50,952 INFO L226 Difference]: Without dead ends: 14 [2019-11-26 02:32:50,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-26 02:32:50,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-26 02:32:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-26 02:32:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-26 02:32:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-26 02:32:50,990 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2019-11-26 02:32:50,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:32:50,991 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-26 02:32:50,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:32:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-26 02:32:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:32:50,992 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:32:50,992 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:32:51,194 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:32:51,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:32:51,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:51,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1083191413, now seen corresponding path program 1 times [2019-11-26 02:32:51,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:32:51,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1041474893] [2019-11-26 02:32:51,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_af2a4259-8fa0-4ff1-90b5-4d018b4be3f6/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:32:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:32:51,316 WARN L253 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-26 02:32:51,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:32:51,362 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-26 02:32:51,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 02:32:51,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:32:51,381 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:32:51,382 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-11-26 02:32:51,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,443 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 57 [2019-11-26 02:32:51,444 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 02:32:51,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:32:51,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:32:51,504 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:67 [2019-11-26 02:32:51,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-26 02:32:51,874 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-26 02:32:51,875 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:32:51,876 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 211 [2019-11-26 02:32:51,879 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 02:32:52,137 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2019-11-26 02:32:52,139 INFO L567 ElimStorePlain]: treesize reduction 170, result has 36.8 percent of original size [2019-11-26 02:32:52,140 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:32:52,141 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:99 [2019-11-26 02:32:52,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:32:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:32:52,599 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:32:53,814 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:32:53,814 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-26 02:32:53,818 INFO L168 Benchmark]: Toolchain (without parser) took 4128.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 963.1 MB in the beginning and 993.9 MB in the end (delta: -30.7 MB). Peak memory consumption was 127.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,818 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:53,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.34 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -203.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,820 INFO L168 Benchmark]: Boogie Preprocessor took 27.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,821 INFO L168 Benchmark]: RCFGBuilder took 285.21 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,822 INFO L168 Benchmark]: TraceAbstraction took 3440.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:53,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.34 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -203.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 285.21 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3440.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...