./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ........................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:30:37,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:30:37,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:30:37,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:30:37,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:30:37,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:30:37,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:30:37,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:30:37,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:30:37,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:30:37,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:30:37,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:30:37,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:30:37,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:30:37,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:30:37,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:30:37,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:30:37,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:30:37,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:30:37,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:30:37,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:30:37,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:30:37,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:30:37,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:30:37,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:30:37,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:30:37,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:30:37,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:30:37,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:30:37,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:30:37,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:30:37,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:30:37,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:30:37,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:30:37,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:30:37,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:30:37,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:30:37,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:30:37,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:30:37,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:30:37,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:30:37,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-03 12:30:38,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:30:38,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:30:38,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:30:38,002 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:30:38,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:30:38,003 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:30:38,003 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:30:38,003 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:30:38,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:30:38,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:30:38,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:30:38,005 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:30:38,006 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:30:38,006 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:30:38,006 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:30:38,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:30:38,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:30:38,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:30:38,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:30:38,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:30:38,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:30:38,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:30:38,009 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:30:38,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:30:38,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:30:38,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:30:38,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:30:38,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:30:38,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:30:38,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:30:38,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:30:38,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:30:38,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:30:38,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:30:38,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:30:38,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:30:38,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:30:38,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-12-03 12:30:38,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:30:38,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:30:38,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:30:38,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:30:38,311 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:30:38,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-03 12:30:38,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/data/f2f83f2f6/a72ace3d4e4f44a38e7176c135981a91/FLAG6c68d8d33 [2020-12-03 12:30:38,997 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:30:38,998 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-12-03 12:30:39,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/data/f2f83f2f6/a72ace3d4e4f44a38e7176c135981a91/FLAG6c68d8d33 [2020-12-03 12:30:39,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/bin/utaipan/data/f2f83f2f6/a72ace3d4e4f44a38e7176c135981a91 [2020-12-03 12:30:39,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:30:39,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:30:39,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:30:39,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:30:39,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:30:39,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:39" (1/1) ... [2020-12-03 12:30:39,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724dbdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:39, skipping insertion in model container [2020-12-03 12:30:39,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:39" (1/1) ... [2020-12-03 12:30:39,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:30:39,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:30:40,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:30:40,109 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:30:40,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:30:40,671 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:30:40,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40 WrapperNode [2020-12-03 12:30:40,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:30:40,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:30:40,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:30:40,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:30:40,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:30:40,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:30:40,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:30:40,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:30:40,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... [2020-12-03 12:30:40,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:30:40,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:30:40,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:30:40,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:30:40,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/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 [2020-12-03 12:30:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 12:30:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 12:30:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-12-03 12:30:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-03 12:30:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:30:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:30:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:30:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-03 12:30:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 12:30:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 12:30:41,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:30:41,912 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-03 12:30:41,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:41 BoogieIcfgContainer [2020-12-03 12:30:41,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:30:41,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:30:41,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:30:41,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:30:41,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:30:39" (1/3) ... [2020-12-03 12:30:41,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad9d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:30:41, skipping insertion in model container [2020-12-03 12:30:41,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:40" (2/3) ... [2020-12-03 12:30:41,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad9d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:30:41, skipping insertion in model container [2020-12-03 12:30:41,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:30:41" (3/3) ... [2020-12-03 12:30:41,928 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2020-12-03 12:30:41,944 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:30:41,947 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-12-03 12:30:41,958 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-12-03 12:30:41,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:30:41,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:30:41,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:30:41,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:30:41,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:30:41,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:30:41,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:30:41,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:30:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-12-03 12:30:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 12:30:42,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:30:42,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-03 12:30:42,001 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:30:42,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:30:42,007 INFO L82 PathProgramCache]: Analyzing trace with hash 133901, now seen corresponding path program 1 times [2020-12-03 12:30:42,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:30:42,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649608919] [2020-12-03 12:30:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:30:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:30:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:30:42,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649608919] [2020-12-03 12:30:42,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:30:42,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-03 12:30:42,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689758598] [2020-12-03 12:30:42,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:30:42,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:30:42,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:30:42,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:30:42,441 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2020-12-03 12:30:42,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:30:42,498 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2020-12-03 12:30:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:30:42,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-03 12:30:42,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:30:42,508 INFO L225 Difference]: With dead ends: 75 [2020-12-03 12:30:42,508 INFO L226 Difference]: Without dead ends: 40 [2020-12-03 12:30:42,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:30:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-03 12:30:42,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-03 12:30:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-03 12:30:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-12-03 12:30:42,558 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 3 [2020-12-03 12:30:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:30:42,559 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-12-03 12:30:42,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:30:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-12-03 12:30:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 12:30:42,560 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:30:42,560 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-12-03 12:30:42,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:30:42,561 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:30:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:30:42,565 INFO L82 PathProgramCache]: Analyzing trace with hash -305878077, now seen corresponding path program 1 times [2020-12-03 12:30:42,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:30:42,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815323871] [2020-12-03 12:30:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:30:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:30:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-03 12:30:42,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815323871] [2020-12-03 12:30:42,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:30:42,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:30:42,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292826755] [2020-12-03 12:30:42,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:30:42,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:30:42,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:30:42,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:30:42,741 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 3 states. [2020-12-03 12:30:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:30:42,769 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2020-12-03 12:30:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:30:42,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-03 12:30:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:30:42,774 INFO L225 Difference]: With dead ends: 40 [2020-12-03 12:30:42,774 INFO L226 Difference]: Without dead ends: 39 [2020-12-03 12:30:42,775 INFO L677 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 [2020-12-03 12:30:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-03 12:30:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-03 12:30:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-03 12:30:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2020-12-03 12:30:42,789 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 6 [2020-12-03 12:30:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:30:42,791 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2020-12-03 12:30:42,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:30:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2020-12-03 12:30:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 12:30:42,792 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:30:42,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-03 12:30:42,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:30:42,793 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:30:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:30:42,797 INFO L82 PathProgramCache]: Analyzing trace with hash -305874498, now seen corresponding path program 1 times [2020-12-03 12:30:42,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:30:42,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617765540] [2020-12-03 12:30:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:30:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:30:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:30:42,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617765540] [2020-12-03 12:30:42,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686438681] [2020-12-03 12:30:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fd9f459-617d-48a4-ac24-cc06bdeb0551/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 [2020-12-03 12:30:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:30:43,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:30:43,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:30:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:30:43,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:30:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:30:43,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [365949376] [2020-12-03 12:30:43,195 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-03 12:30:43,195 INFO L166 IcfgInterpreter]: Building call graph [2020-12-03 12:30:43,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-03 12:30:43,246 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-03 12:30:43,247 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-03 12:30:43,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-03 12:30:43,741 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.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:570) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:441) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:239) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:153) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-03 12:30:43,745 INFO L168 Benchmark]: Toolchain (without parser) took 4555.75 ms. Allocated memory was 88.1 MB in the beginning and 138.4 MB in the end (delta: 50.3 MB). Free memory was 49.2 MB in the beginning and 78.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:30:43,745 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 65.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:30:43,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1483.50 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 59.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-12-03 12:30:43,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.93 ms. Allocated memory is still 107.0 MB. Free memory was 59.9 MB in the beginning and 57.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:30:43,748 INFO L168 Benchmark]: Boogie Preprocessor took 46.79 ms. Allocated memory is still 107.0 MB. Free memory was 57.0 MB in the beginning and 54.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:30:43,748 INFO L168 Benchmark]: RCFGBuilder took 1069.38 ms. Allocated memory is still 107.0 MB. Free memory was 53.6 MB in the beginning and 43.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:30:43,749 INFO L168 Benchmark]: TraceAbstraction took 1827.71 ms. Allocated memory was 107.0 MB in the beginning and 138.4 MB in the end (delta: 31.5 MB). Free memory was 42.9 MB in the beginning and 78.8 MB in the end (delta: -35.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:30:43,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 65.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1483.50 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 59.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.93 ms. Allocated memory is still 107.0 MB. Free memory was 59.9 MB in the beginning and 57.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.79 ms. Allocated memory is still 107.0 MB. Free memory was 57.0 MB in the beginning and 54.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1069.38 ms. Allocated memory is still 107.0 MB. Free memory was 53.6 MB in the beginning and 43.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1827.71 ms. Allocated memory was 107.0 MB in the beginning and 138.4 MB in the end (delta: 31.5 MB). Free memory was 42.9 MB in the beginning and 78.8 MB in the end (delta: -35.9 MB). There was no memory consumed. Max. memory is 16.1 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.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...