./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c4d277d20f1b6778d0132da8064338d564c64e51 ..................................................................................................................................................................................................................................................................................... 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_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c4d277d20f1b6778d0132da8064338d564c64e51 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:09:30,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:09:30,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:09:30,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:09:30,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:09:30,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:09:30,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:09:30,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:09:30,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:09:30,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:09:30,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:09:30,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:09:30,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:09:30,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:09:30,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:09:30,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:09:30,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:09:30,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:09:30,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:09:30,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:09:30,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:09:30,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:09:30,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:09:30,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:09:30,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:09:30,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:09:30,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:09:30,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:09:30,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:09:30,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:09:30,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:09:30,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:09:30,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:09:30,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:09:30,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:09:30,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:09:30,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:09:30,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:09:30,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:09:30,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:09:30,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:09:30,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:09:30,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:09:30,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:09:30,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:09:30,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:09:30,933 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:09:30,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:09:30,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:09:30,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:09:30,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:09:30,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:09:30,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:09:30,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:09:30,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:09:30,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:09:30,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:09:30,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:09:30,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:09:30,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:09:30,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:09:30,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:09:30,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:09:30,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:09:30,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:09:30,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:09:30,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:09:30,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:09:30,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:09:30,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:09:30,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4d277d20f1b6778d0132da8064338d564c64e51 [2019-11-15 22:09:30,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:09:30,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:09:30,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:09:30,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:09:30,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:09:30,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/../../sv-benchmarks/c/verifythis/lcp.c [2019-11-15 22:09:31,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/8bc21a422/b05c7b94037f465a9ca199bc753d7890/FLAG7b8dbc6ed [2019-11-15 22:09:31,417 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:09:31,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/sv-benchmarks/c/verifythis/lcp.c [2019-11-15 22:09:31,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/8bc21a422/b05c7b94037f465a9ca199bc753d7890/FLAG7b8dbc6ed [2019-11-15 22:09:31,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/8bc21a422/b05c7b94037f465a9ca199bc753d7890 [2019-11-15 22:09:31,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:09:31,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:09:31,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:09:31,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:09:31,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:09:31,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:09:31" (1/1) ... [2019-11-15 22:09:31,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bdbcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:31, skipping insertion in model container [2019-11-15 22:09:31,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:09:31" (1/1) ... [2019-11-15 22:09:31,831 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:09:31,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:09:32,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:09:32,143 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:09:32,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:09:32,211 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:09:32,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32 WrapperNode [2019-11-15 22:09:32,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:09:32,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:09:32,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:09:32,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:09:32,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:09:32,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:09:32,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:09:32,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:09:32,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... [2019-11-15 22:09:32,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:09:32,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:09:32,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:09:32,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:09:32,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:09:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:09:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:09:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:09:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:09:32,615 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:09:32,616 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-15 22:09:32,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:09:32 BoogieIcfgContainer [2019-11-15 22:09:32,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:09:32,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:09:32,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:09:32,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:09:32,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:09:31" (1/3) ... [2019-11-15 22:09:32,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37345e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:09:32, skipping insertion in model container [2019-11-15 22:09:32,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:32" (2/3) ... [2019-11-15 22:09:32,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37345e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:09:32, skipping insertion in model container [2019-11-15 22:09:32,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:09:32" (3/3) ... [2019-11-15 22:09:32,624 INFO L109 eAbstractionObserver]: Analyzing ICFG lcp.c [2019-11-15 22:09:32,634 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:09:32,641 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 22:09:32,653 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 22:09:32,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:09:32,675 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:09:32,675 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:09:32,675 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:09:32,676 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:09:32,676 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:09:32,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:09:32,676 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:09:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-15 22:09:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 22:09:32,697 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:32,697 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:32,699 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash 103127864, now seen corresponding path program 1 times [2019-11-15 22:09:32,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:09:32,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644575993] [2019-11-15 22:09:32,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:09:32,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:09:32,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:09:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:32,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644575993] [2019-11-15 22:09:32,882 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:09:32,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:09:32,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095291407] [2019-11-15 22:09:32,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:09:32,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:09:32,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:09:32,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:09:32,905 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-15 22:09:32,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:09:32,922 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-11-15 22:09:32,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:09:32,924 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-15 22:09:32,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:09:32,931 INFO L225 Difference]: With dead ends: 34 [2019-11-15 22:09:32,932 INFO L226 Difference]: Without dead ends: 16 [2019-11-15 22:09:32,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:09:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-15 22:09:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-15 22:09:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-15 22:09:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-15 22:09:32,965 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2019-11-15 22:09:32,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:09:32,965 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-15 22:09:32,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:09:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-15 22:09:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:09:32,966 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:32,967 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:32,967 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:32,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:32,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1317893681, now seen corresponding path program 1 times [2019-11-15 22:09:32,968 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:09:32,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028006973] [2019-11-15 22:09:32,968 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:09:32,968 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:09:32,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:09:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:33,045 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-11-15 22:09:33,050 INFO L168 Benchmark]: Toolchain (without parser) took 1237.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:09:33,051 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:09:33,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:09:33,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.11 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. [2019-11-15 22:09:33,052 INFO L168 Benchmark]: Boogie Preprocessor took 30.16 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. [2019-11-15 22:09:33,053 INFO L168 Benchmark]: RCFGBuilder took 333.40 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:09:33,054 INFO L168 Benchmark]: TraceAbstraction took 429.97 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:09:33,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.11 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 30.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 333.40 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 429.97 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:09:35,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:09:35,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:09:35,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:09:35,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:09:35,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:09:35,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:09:35,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:09:35,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:09:35,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:09:35,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:09:35,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:09:35,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:09:35,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:09:35,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:09:35,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:09:35,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:09:35,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:09:35,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:09:35,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:09:35,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:09:35,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:09:35,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:09:35,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:09:35,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:09:35,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:09:35,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:09:35,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:09:35,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:09:35,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:09:35,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:09:35,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:09:35,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:09:35,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:09:35,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:09:35,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:09:35,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:09:35,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:09:35,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:09:35,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:09:35,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:09:35,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:09:35,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:09:35,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:09:35,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:09:35,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:09:35,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:09:35,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:09:35,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:09:35,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:09:35,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:09:35,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:09:35,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:09:35,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:09:35,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:09:35,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:09:35,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:09:35,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:09:35,568 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:09:35,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:09:35,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:09:35,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:09:35,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:09:35,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:09:35,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:09:35,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:09:35,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:09:35,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:09:35,570 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:09:35,571 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:09:35,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:09:35,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:09:35,571 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_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4d277d20f1b6778d0132da8064338d564c64e51 [2019-11-15 22:09:35,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:09:35,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:09:35,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:09:35,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:09:35,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:09:35,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/../../sv-benchmarks/c/verifythis/lcp.c [2019-11-15 22:09:35,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/43e318d13/91b898289270466bbfa5ff4e6483ade2/FLAG4ca5c2a9f [2019-11-15 22:09:36,109 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:09:36,109 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/sv-benchmarks/c/verifythis/lcp.c [2019-11-15 22:09:36,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/43e318d13/91b898289270466bbfa5ff4e6483ade2/FLAG4ca5c2a9f [2019-11-15 22:09:36,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/data/43e318d13/91b898289270466bbfa5ff4e6483ade2 [2019-11-15 22:09:36,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:09:36,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:09:36,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:09:36,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:09:36,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:09:36,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543d201a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36, skipping insertion in model container [2019-11-15 22:09:36,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:09:36,557 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:09:36,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:09:36,737 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:09:36,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:09:36,776 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:09:36,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36 WrapperNode [2019-11-15 22:09:36,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:09:36,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:09:36,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:09:36,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:09:36,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:09:36,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:09:36,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:09:36,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:09:36,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... [2019-11-15 22:09:36,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:09:36,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:09:36,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:09:36,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:09:36,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:09:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:09:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:09:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:09:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:09:37,304 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:09:37,304 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-15 22:09:37,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:09:37 BoogieIcfgContainer [2019-11-15 22:09:37,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:09:37,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:09:37,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:09:37,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:09:37,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:09:36" (1/3) ... [2019-11-15 22:09:37,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c25c08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:09:37, skipping insertion in model container [2019-11-15 22:09:37,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:09:36" (2/3) ... [2019-11-15 22:09:37,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c25c08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:09:37, skipping insertion in model container [2019-11-15 22:09:37,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:09:37" (3/3) ... [2019-11-15 22:09:37,314 INFO L109 eAbstractionObserver]: Analyzing ICFG lcp.c [2019-11-15 22:09:37,325 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:09:37,332 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-15 22:09:37,344 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-15 22:09:37,367 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:09:37,368 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:09:37,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:09:37,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:09:37,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:09:37,369 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:09:37,369 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:09:37,369 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:09:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-15 22:09:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 22:09:37,392 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:37,394 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:37,396 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:37,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:37,403 INFO L82 PathProgramCache]: Analyzing trace with hash 103127864, now seen corresponding path program 1 times [2019-11-15 22:09:37,415 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:09:37,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1062413801] [2019-11-15 22:09:37,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/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 [2019-11-15 22:09:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:37,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 22:09:37,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:09:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:37,562 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:09:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:37,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1062413801] [2019-11-15 22:09:37,567 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:09:37,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 22:09:37,568 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815262246] [2019-11-15 22:09:37,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:09:37,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:09:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:09:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:09:37,588 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-15 22:09:37,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:09:37,604 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-11-15 22:09:37,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:09:37,606 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-15 22:09:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:09:37,617 INFO L225 Difference]: With dead ends: 34 [2019-11-15 22:09:37,617 INFO L226 Difference]: Without dead ends: 16 [2019-11-15 22:09:37,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:09:37,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-15 22:09:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-15 22:09:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-15 22:09:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-15 22:09:37,658 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2019-11-15 22:09:37,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:09:37,658 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-15 22:09:37,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:09:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-15 22:09:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:09:37,660 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:37,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:37,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:37,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:37,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1317893681, now seen corresponding path program 1 times [2019-11-15 22:09:37,864 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:09:37,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [266566316] [2019-11-15 22:09:37,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/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 [2019-11-15 22:09:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:38,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 22:09:38,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:09:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:38,053 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:09:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:38,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [266566316] [2019-11-15 22:09:38,127 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:09:38,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-15 22:09:38,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543040954] [2019-11-15 22:09:38,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:09:38,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:09:38,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:09:38,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:09:38,134 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2019-11-15 22:09:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:09:38,237 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-15 22:09:38,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:09:38,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-15 22:09:38,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:09:38,240 INFO L225 Difference]: With dead ends: 29 [2019-11-15 22:09:38,240 INFO L226 Difference]: Without dead ends: 19 [2019-11-15 22:09:38,241 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:09:38,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-15 22:09:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-15 22:09:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-15 22:09:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-11-15 22:09:38,246 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 10 [2019-11-15 22:09:38,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:09:38,247 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-11-15 22:09:38,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:09:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-11-15 22:09:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:09:38,248 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:38,248 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:38,449 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:38,450 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:38,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:38,450 INFO L82 PathProgramCache]: Analyzing trace with hash -573521694, now seen corresponding path program 1 times [2019-11-15 22:09:38,451 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:09:38,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1827797017] [2019-11-15 22:09:38,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:38,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 22:09:38,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:09:38,613 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-15 22:09:38,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:09:38,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:09:38,619 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:09:38,620 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-15 22:09:38,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:09:38,673 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:09:38,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:09:44,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1827797017] [2019-11-15 22:09:44,867 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:09:44,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-15 22:09:44,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184956983] [2019-11-15 22:09:44,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:09:44,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:09:44,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:09:44,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=27, Unknown=2, NotChecked=0, Total=42 [2019-11-15 22:09:44,870 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 7 states. [2019-11-15 22:09:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:09:44,977 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2019-11-15 22:09:44,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:09:44,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-15 22:09:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:09:44,981 INFO L225 Difference]: With dead ends: 31 [2019-11-15 22:09:44,981 INFO L226 Difference]: Without dead ends: 21 [2019-11-15 22:09:44,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=27, Invalid=43, Unknown=2, NotChecked=0, Total=72 [2019-11-15 22:09:44,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-15 22:09:44,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-11-15 22:09:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-15 22:09:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-11-15 22:09:44,987 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 13 [2019-11-15 22:09:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:09:44,987 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-11-15 22:09:44,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:09:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-11-15 22:09:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:09:44,988 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:44,988 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:45,189 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:45,189 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash -516263392, now seen corresponding path program 1 times [2019-11-15 22:09:45,190 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:09:45,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2075289458] [2019-11-15 22:09:45,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:45,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 22:09:45,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:09:45,328 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-15 22:09:45,328 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:09:45,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:09:45,332 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:09:45,332 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-15 22:09:45,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:09:45,405 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:09:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:09:53,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2075289458] [2019-11-15 22:09:53,580 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:09:53,580 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 22:09:53,581 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738739665] [2019-11-15 22:09:53,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:09:53,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:09:53,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:09:53,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=36, Unknown=4, NotChecked=0, Total=56 [2019-11-15 22:09:53,583 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 8 states. [2019-11-15 22:09:55,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:09:55,722 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-11-15 22:09:55,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:09:55,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-11-15 22:09:55,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:09:55,724 INFO L225 Difference]: With dead ends: 19 [2019-11-15 22:09:55,724 INFO L226 Difference]: Without dead ends: 17 [2019-11-15 22:09:55,725 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=31, Invalid=54, Unknown=5, NotChecked=0, Total=90 [2019-11-15 22:09:55,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-15 22:09:55,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-15 22:09:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-15 22:09:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-11-15 22:09:55,729 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2019-11-15 22:09:55,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:09:55,732 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-15 22:09:55,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:09:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-11-15 22:09:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:09:55,734 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:09:55,734 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:09:55,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:55,938 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:09:55,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:09:55,938 INFO L82 PathProgramCache]: Analyzing trace with hash 279056774, now seen corresponding path program 1 times [2019-11-15 22:09:55,939 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:09:55,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1431024417] [2019-11-15 22:09:55,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:09:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:09:56,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-15 22:09:56,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:09:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:56,949 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:09:57,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:57,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:58,128 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-11-15 22:09:58,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:09:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:09:58,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1431024417] [2019-11-15 22:09:58,139 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:09:58,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-11-15 22:09:58,139 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525827091] [2019-11-15 22:09:58,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 22:09:58,140 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:09:58,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 22:09:58,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:09:58,142 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 19 states. [2019-11-15 22:09:58,483 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-11-15 22:09:58,838 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-11-15 22:10:00,103 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-11-15 22:10:00,472 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-11-15 22:10:00,785 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-11-15 22:10:01,287 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-15 22:10:01,983 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-11-15 22:10:02,266 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-15 22:10:03,154 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-11-15 22:10:04,323 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-15 22:10:05,031 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-11-15 22:10:05,538 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-11-15 22:10:10,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:10:10,931 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2019-11-15 22:10:10,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-15 22:10:10,933 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 16 [2019-11-15 22:10:10,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:10:10,934 INFO L225 Difference]: With dead ends: 58 [2019-11-15 22:10:10,934 INFO L226 Difference]: Without dead ends: 29 [2019-11-15 22:10:10,936 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=349, Invalid=983, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 22:10:10,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-15 22:10:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-11-15 22:10:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 22:10:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2019-11-15 22:10:10,941 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2019-11-15 22:10:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:10:10,942 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-15 22:10:10,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 22:10:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-11-15 22:10:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 22:10:10,943 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:10:10,943 INFO L380 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:10:11,144 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:10:11,144 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:10:11,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:10:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1698182889, now seen corresponding path program 2 times [2019-11-15 22:10:11,145 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:10:11,145 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1249292480] [2019-11-15 22:10:11,145 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_761dc2e7-6ce2-4e13-a6a7-0da7f2321742/bin/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:10:11,350 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:10:11,350 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:10:11,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 22:10:11,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:10:11,814 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 22:10:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-15 22:10:11,919 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:10:12,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:10:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-15 22:10:22,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1249292480] [2019-11-15 22:10:22,110 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:10:22,110 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-15 22:10:22,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950365961] [2019-11-15 22:10:22,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 22:10:22,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:10:22,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 22:10:22,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:10:22,111 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 13 states. [2019-11-15 22:10:22,405 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-11-15 22:10:23,266 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-15 22:10:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:10:23,267 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2019-11-15 22:10:23,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:10:23,267 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2019-11-15 22:10:23,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:10:23,267 INFO L225 Difference]: With dead ends: 39 [2019-11-15 22:10:23,268 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:10:23,268 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 14 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:10:23,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:10:23,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:10:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:10:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:10:23,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-15 22:10:23,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:10:23,269 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:10:23,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 22:10:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:10:23,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:10:23,472 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:10:23,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:10:31,513 WARN L191 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,539 INFO L439 ceAbstractionStarter]: At program point L15(lines 10 16) the Hoare annotation is: (or (and (= ULTIMATE.start_lcp_~l~0 (_ bv0 32)) (= |ULTIMATE.start_lcp_#res| (_ bv0 32))) (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (or (not (bvslt (bvadd ULTIMATE.start_main_~y~0 |ULTIMATE.start_lcp_#res|) ULTIMATE.start_main_~n~0)) (not (bvslt (bvadd ULTIMATE.start_main_~x~0 |ULTIMATE.start_lcp_#res|) ULTIMATE.start_main_~n~0))) (or (not (bvslt (bvadd ULTIMATE.start_lcp_~l~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~n~0)) (not (bvslt (bvadd ULTIMATE.start_lcp_~l~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~n~0))) (= .cse0 (select |#memory_int| ULTIMATE.start_lcp_~a.base)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc11.base|) .cse0)))) [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point L7-1(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point L7-3(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point L7-4(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,539 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point L12-3(lines 12 14) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L439 ceAbstractionStarter]: At program point L12-5(lines 12 14) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (= ULTIMATE.start_lcp_~n ULTIMATE.start_main_~n~0) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)) (= .cse0 (select |#memory_int| ULTIMATE.start_lcp_~a.base)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= ULTIMATE.start_lcp_~x ULTIMATE.start_main_~x~0) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc11.base|) .cse0) (= ULTIMATE.start_lcp_~y ULTIMATE.start_main_~y~0) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)))) [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point L12-6(lines 12 14) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:10:31,540 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-11-15 22:10:31,541 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-11-15 22:10:31,541 INFO L443 ceAbstractionStarter]: For program point L18(lines 1 39) no Hoare annotation was computed. [2019-11-15 22:10:31,541 INFO L443 ceAbstractionStarter]: For program point L6(lines 6 8) no Hoare annotation was computed. [2019-11-15 22:10:31,541 INFO L443 ceAbstractionStarter]: For program point L6-1(lines 6 8) no Hoare annotation was computed. [2019-11-15 22:10:31,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-11-15 22:10:31,546 INFO L168 Benchmark]: Toolchain (without parser) took 55034.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 952.3 MB in the beginning and 948.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:31,547 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:10:31,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.84 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:31,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:31,548 INFO L168 Benchmark]: Boogie Preprocessor took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:10:31,549 INFO L168 Benchmark]: RCFGBuilder took 380.07 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:31,549 INFO L168 Benchmark]: TraceAbstraction took 54238.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 177.8 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:31,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.84 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 380.07 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54238.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 177.8 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...