./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2.i --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_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/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 ebbfaff6f87d2f170bbf62930cb63938c92c4b2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:38:07,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:38:07,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:38:07,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:38:07,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:38:07,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:38:07,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:38:07,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:38:07,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:38:07,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:38:07,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:38:07,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:38:07,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:38:07,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:38:07,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:38:07,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:38:07,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:38:07,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:38:07,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:38:07,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:38:07,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:38:07,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:38:07,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:38:07,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:38:07,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:38:07,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:38:07,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:38:07,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:38:07,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:38:07,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:38:07,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:38:07,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:38:07,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:38:07,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:38:07,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:38:07,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:38:07,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:38:07,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:38:07,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:38:07,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:38:07,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:38:07,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:38:07,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:38:07,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:38:07,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:38:07,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:38:07,799 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:38:07,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:38:07,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:38:07,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:38:07,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:38:07,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:38:07,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:38:07,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:38:07,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:38:07,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:38:07,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:38:07,803 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:38:07,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:38:07,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:38:07,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:38:07,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:38:07,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:38:07,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:38:07,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:38:07,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:38:07,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:38:07,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:38:07,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:38:07,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:38:07,811 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_53b1bf24-b073-453a-9b8e-8e50ccf67d30/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 -> ebbfaff6f87d2f170bbf62930cb63938c92c4b2b [2019-11-16 00:38:07,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:38:07,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:38:07,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:38:07,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:38:07,879 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:38:07,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/../../sv-benchmarks/c/heap-data/shared_mem2.i [2019-11-16 00:38:07,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/data/0312e2188/4cf0ba0aad3342febc7e8de3bfaf023b/FLAG6d17773b1 [2019-11-16 00:38:08,368 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:38:08,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/sv-benchmarks/c/heap-data/shared_mem2.i [2019-11-16 00:38:08,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/data/0312e2188/4cf0ba0aad3342febc7e8de3bfaf023b/FLAG6d17773b1 [2019-11-16 00:38:08,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/data/0312e2188/4cf0ba0aad3342febc7e8de3bfaf023b [2019-11-16 00:38:08,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:38:08,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:38:08,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:38:08,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:38:08,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:38:08,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:08" (1/1) ... [2019-11-16 00:38:08,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef50581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:08, skipping insertion in model container [2019-11-16 00:38:08,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:08" (1/1) ... [2019-11-16 00:38:08,704 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:38:08,760 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:38:09,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:38:09,181 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:38:09,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:38:09,293 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:38:09,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09 WrapperNode [2019-11-16 00:38:09,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:38:09,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:38:09,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:38:09,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:38:09,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:38:09,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:38:09,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:38:09,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:38:09,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... [2019-11-16 00:38:09,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:38:09,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:38:09,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:38:09,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:38:09,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/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 [2019-11-16 00:38:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:38:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:38:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:38:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:38:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:38:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:38:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:38:09,986 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:38:09,986 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:38:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:09 BoogieIcfgContainer [2019-11-16 00:38:09,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:38:09,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:38:09,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:38:09,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:38:09,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:38:08" (1/3) ... [2019-11-16 00:38:09,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c82c8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:09, skipping insertion in model container [2019-11-16 00:38:09,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:09" (2/3) ... [2019-11-16 00:38:09,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c82c8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:09, skipping insertion in model container [2019-11-16 00:38:09,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:09" (3/3) ... [2019-11-16 00:38:10,000 INFO L109 eAbstractionObserver]: Analyzing ICFG shared_mem2.i [2019-11-16 00:38:10,010 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:38:10,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:38:10,031 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:38:10,050 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:38:10,050 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:38:10,050 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:38:10,050 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:38:10,050 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:38:10,051 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:38:10,051 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:38:10,051 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:38:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-16 00:38:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-16 00:38:10,076 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:38:10,077 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:10,080 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:38:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:10,087 INFO L82 PathProgramCache]: Analyzing trace with hash 561717608, now seen corresponding path program 1 times [2019-11-16 00:38:10,097 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:10,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805813010] [2019-11-16 00:38:10,098 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,098 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:10,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805813010] [2019-11-16 00:38:10,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:38:10,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:38:10,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893527519] [2019-11-16 00:38:10,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:38:10,266 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:38:10,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:38:10,281 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2019-11-16 00:38:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:10,297 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2019-11-16 00:38:10,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:38:10,299 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-16 00:38:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:38:10,307 INFO L225 Difference]: With dead ends: 29 [2019-11-16 00:38:10,307 INFO L226 Difference]: Without dead ends: 14 [2019-11-16 00:38:10,310 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 [2019-11-16 00:38:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-16 00:38:10,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-16 00:38:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-16 00:38:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-11-16 00:38:10,342 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2019-11-16 00:38:10,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:38:10,343 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-16 00:38:10,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:38:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-16 00:38:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:38:10,344 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:38:10,344 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:10,344 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:38:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:10,345 INFO L82 PathProgramCache]: Analyzing trace with hash -861307399, now seen corresponding path program 1 times [2019-11-16 00:38:10,345 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:10,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67084436] [2019-11-16 00:38:10,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:10,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67084436] [2019-11-16 00:38:10,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:38:10,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:38:10,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494903931] [2019-11-16 00:38:10,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:38:10,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:10,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:38:10,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:38:10,488 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 5 states. [2019-11-16 00:38:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:10,636 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-16 00:38:10,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:38:10,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-16 00:38:10,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:38:10,638 INFO L225 Difference]: With dead ends: 26 [2019-11-16 00:38:10,638 INFO L226 Difference]: Without dead ends: 22 [2019-11-16 00:38:10,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:38:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-16 00:38:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-16 00:38:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-16 00:38:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-11-16 00:38:10,645 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 10 [2019-11-16 00:38:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:38:10,647 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-16 00:38:10,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:38:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-11-16 00:38:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-16 00:38:10,649 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:38:10,649 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:10,650 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:38:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:10,651 INFO L82 PathProgramCache]: Analyzing trace with hash 909226845, now seen corresponding path program 1 times [2019-11-16 00:38:10,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:10,652 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198178978] [2019-11-16 00:38:10,652 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,652 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:10,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:10,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198178978] [2019-11-16 00:38:10,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526370172] [2019-11-16 00:38:10,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:10,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-16 00:38:10,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:38:11,068 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-16 00:38:11,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2019-11-16 00:38:11,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,106 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|], 2=[|v_#memory_int_19|]} [2019-11-16 00:38:11,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:38:11,130 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-11-16 00:38:11,131 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,184 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-16 00:38:11,185 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-16 00:38:11,186 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,204 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,206 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:11,206 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:29 [2019-11-16 00:38:11,280 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,281 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2019-11-16 00:38:11,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,419 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-16 00:38:11,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,425 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_20|, |v_#memory_int_21|], 10=[|v_#memory_int_23|]} [2019-11-16 00:38:11,432 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:11,477 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,481 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:11,513 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,589 INFO L341 Elim1Store]: treesize reduction 90, result has 25.0 percent of original size [2019-11-16 00:38:11,589 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 52 [2019-11-16 00:38:11,591 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,622 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:11,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:11,627 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:38:11,627 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:94, output treesize:7 [2019-11-16 00:38:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:11,658 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:38:11,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-16 00:38:11,658 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856791246] [2019-11-16 00:38:11,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:38:11,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:38:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:38:11,660 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. Second operand 7 states. [2019-11-16 00:38:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:11,927 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2019-11-16 00:38:11,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:38:11,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-16 00:38:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:38:11,930 INFO L225 Difference]: With dead ends: 38 [2019-11-16 00:38:11,930 INFO L226 Difference]: Without dead ends: 34 [2019-11-16 00:38:11,931 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:38:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-16 00:38:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 18. [2019-11-16 00:38:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-16 00:38:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-16 00:38:11,937 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-11-16 00:38:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:38:11,938 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-16 00:38:11,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:38:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-16 00:38:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:38:11,939 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:38:11,939 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:12,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:12,142 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:38:12,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:12,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1525342480, now seen corresponding path program 1 times [2019-11-16 00:38:12,143 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:12,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546783516] [2019-11-16 00:38:12,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:12,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:12,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:12,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546783516] [2019-11-16 00:38:12,670 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108625339] [2019-11-16 00:38:12,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:12,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-16 00:38:12,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:38:12,798 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-16 00:38:12,799 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:12,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:12,834 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_25|], 2=[|v_#memory_int_24|]} [2019-11-16 00:38:12,846 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:38:12,861 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-11-16 00:38:12,862 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:12,884 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:12,902 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-16 00:38:12,903 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-16 00:38:12,904 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:12,915 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:12,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:12,917 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:66, output treesize:19 [2019-11-16 00:38:13,021 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_18|], 20=[|v_#memory_int_26|]} [2019-11-16 00:38:13,030 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 59 [2019-11-16 00:38:13,032 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:13,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:13,066 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2019-11-16 00:38:13,068 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:13,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:13,300 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-11-16 00:38:13,301 INFO L341 Elim1Store]: treesize reduction 24, result has 85.0 percent of original size [2019-11-16 00:38:13,301 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 156 [2019-11-16 00:38:13,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,316 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:13,505 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2019-11-16 00:38:13,505 INFO L567 ElimStorePlain]: treesize reduction 98, result has 62.0 percent of original size [2019-11-16 00:38:13,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,535 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:13,536 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:95, output treesize:159 [2019-11-16 00:38:13,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,546 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,619 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:13,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:13,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:15,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:15,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:19,683 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 157 DAG size of output: 65 [2019-11-16 00:38:19,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-11-16 00:38:19,907 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 48 [2019-11-16 00:38:19,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:19,929 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:19,930 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 36 [2019-11-16 00:38:19,931 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:19,954 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:19,955 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 36 [2019-11-16 00:38:19,956 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:20,044 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-11-16 00:38:20,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:38:20,048 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:97, output treesize:7 [2019-11-16 00:38:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:20,092 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:38:20,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-16 00:38:20,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105165084] [2019-11-16 00:38:20,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-16 00:38:20,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:20,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-16 00:38:20,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:38:20,094 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 14 states. [2019-11-16 00:38:22,726 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 45 [2019-11-16 00:38:27,085 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-11-16 00:38:27,931 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2019-11-16 00:38:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:28,220 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2019-11-16 00:38:28,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-16 00:38:28,221 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2019-11-16 00:38:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:38:28,221 INFO L225 Difference]: With dead ends: 44 [2019-11-16 00:38:28,221 INFO L226 Difference]: Without dead ends: 38 [2019-11-16 00:38:28,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2019-11-16 00:38:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-16 00:38:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2019-11-16 00:38:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-16 00:38:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-11-16 00:38:28,227 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 14 [2019-11-16 00:38:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:38:28,227 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-11-16 00:38:28,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-16 00:38:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-16 00:38:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:38:28,228 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:38:28,228 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:28,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:28,429 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:38:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:28,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1328429964, now seen corresponding path program 1 times [2019-11-16 00:38:28,429 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:28,430 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668188351] [2019-11-16 00:38:28,430 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:28,430 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:28,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:28,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668188351] [2019-11-16 00:38:28,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119257478] [2019-11-16 00:38:28,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:28,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-16 00:38:28,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:38:28,976 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|], 12=[|v_#memory_int_27|]} [2019-11-16 00:38:28,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 59 [2019-11-16 00:38:28,980 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:28,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:28,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2019-11-16 00:38:28,998 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:29,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:29,111 INFO L341 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2019-11-16 00:38:29,111 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 108 [2019-11-16 00:38:29,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,118 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:29,258 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2019-11-16 00:38:29,258 INFO L567 ElimStorePlain]: treesize reduction 163, result has 37.1 percent of original size [2019-11-16 00:38:29,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:29,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:29,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-16 00:38:29,261 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:84, output treesize:93 [2019-11-16 00:38:29,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:29,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:33,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:33,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:33,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:33,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:33,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:33,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:33,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:33,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:38:33,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:33,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-16 00:38:39,928 WARN L191 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 56 DAG size of output: 10 [2019-11-16 00:38:39,949 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-16 00:38:39,950 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:38:39,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:38:39,961 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:38:39,961 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2019-11-16 00:38:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-16 00:38:39,990 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:38:39,990 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-11-16 00:38:39,990 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559240354] [2019-11-16 00:38:39,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:38:39,991 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:39,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:38:39,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2019-11-16 00:38:39,991 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 15 states. [2019-11-16 00:38:44,544 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 39 [2019-11-16 00:38:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:56,867 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2019-11-16 00:38:56,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-16 00:38:56,867 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-11-16 00:38:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:38:56,868 INFO L225 Difference]: With dead ends: 54 [2019-11-16 00:38:56,868 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:38:56,869 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=128, Invalid=468, Unknown=4, NotChecked=0, Total=600 [2019-11-16 00:38:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:38:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:38:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:38:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:38:56,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-16 00:38:56,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:38:56,870 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:38:56,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:38:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:38:56,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:38:57,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:38:57,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:38:57,275 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2019-11-16 00:39:01,372 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-11-16 00:39:01,373 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:39:01,373 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 590) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 586) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L585-2(lines 585 586) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L439 ceAbstractionStarter]: At program point L575-2(lines 573 582) the Hoare annotation is: (let ((.cse4 (+ ULTIMATE.start_main_~list~0.offset 4)) (.cse2 (select (select |#memory_int| ULTIMATE.start_main_~m~0.base) ULTIMATE.start_main_~m~0.offset))) (let ((.cse1 (= |ULTIMATE.start_main_#t~mem7| .cse2)) (.cse0 (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~list~0.base) .cse4) ULTIMATE.start_main_~m~0.base))) (and (= 1 (select |#valid| ULTIMATE.start_main_~head~0.base)) (not (= ULTIMATE.start_main_~m~0.base ULTIMATE.start_main_~head~0.base)) (= ULTIMATE.start_main_~head~0.base ULTIMATE.start_main_~list~0.base) (or .cse0 .cse1) (= 0 .cse2) (= 1 (select (select |#memory_int| ULTIMATE.start_main_~head~0.base) ULTIMATE.start_main_~head~0.offset)) (or (let ((.cse3 (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~list~0.base) .cse4) ULTIMATE.start_main_~m~0.offset))) (and (or .cse3 .cse1) (or (not .cse3) (= (select (select |#memory_int| ULTIMATE.start_main_~list~0.base) ULTIMATE.start_main_~list~0.offset) 1)))) (not .cse0)) (= 1 (select |#valid| ULTIMATE.start_main_~m~0.base)) (not (= ULTIMATE.start_main_~head~0.offset (+ ULTIMATE.start_main_~list~0.offset 8)))))) [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 573 582) no Hoare annotation was computed. [2019-11-16 00:39:01,374 INFO L443 ceAbstractionStarter]: For program point L573-3(lines 573 582) no Hoare annotation was computed. [2019-11-16 00:39:01,375 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 591) no Hoare annotation was computed. [2019-11-16 00:39:01,375 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-11-16 00:39:01,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2019-11-16 00:39:01,375 INFO L443 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-11-16 00:39:01,375 INFO L439 ceAbstractionStarter]: At program point L584-3(lines 584 588) the Hoare annotation is: (or (exists ((ULTIMATE.start_main_~list~0.base Int) (ULTIMATE.start_main_~list~0.offset Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse7 (select (select |#memory_int| v_arrayElimCell_25) v_arrayElimCell_24))) (and (let ((.cse3 (= ULTIMATE.start_main_~list~0.offset v_arrayElimCell_24)) (.cse2 (= ULTIMATE.start_main_~list~0.base v_arrayElimCell_25))) (let ((.cse0 (= 0 (mod .cse7 (- 2)))) (.cse1 (= ULTIMATE.start_main_~m~0.offset v_arrayElimCell_24)) (.cse5 (not .cse2)) (.cse6 (not .cse3)) (.cse4 (= ULTIMATE.start_main_~m~0.base v_arrayElimCell_25))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (or (not .cse4) (not .cse1)) (<= (select (select |#memory_int| ULTIMATE.start_main_~m~0.base) ULTIMATE.start_main_~m~0.offset) 99) (or .cse5 .cse0 .cse6)) (and .cse1 (or .cse5 .cse6) .cse4 (<= .cse7 (+ (select (select |#memory_int| ULTIMATE.start_main_~list~0.base) ULTIMATE.start_main_~list~0.offset) 99)))))) (<= .cse7 100)))) (<= (select (select |#memory_int| ULTIMATE.start_main_~m~0.base) ULTIMATE.start_main_~m~0.offset) 99)) [2019-11-16 00:39:01,375 INFO L443 ceAbstractionStarter]: For program point L584-4(lines 584 588) no Hoare annotation was computed. [2019-11-16 00:39:01,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,407 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,407 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,407 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,407 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:39:01 BoogieIcfgContainer [2019-11-16 00:39:01,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:39:01,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:39:01,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:39:01,425 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:39:01,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:09" (3/4) ... [2019-11-16 00:39:01,429 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:39:01,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:39:01,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:39:01,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-16 00:39:01,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_main_~list~0.base : int, ULTIMATE.start_main_~list~0.offset : int, v_arrayElimCell_25 : int, v_arrayElimCell_24 : int :: ((((((0 == unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] % -2 && m == v_arrayElimCell_24) && ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) && ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24) && m == v_arrayElimCell_25) || (((!(m == v_arrayElimCell_25) || !(m == v_arrayElimCell_24)) && unknown-#memory_int-unknown[m][m] <= 99) && ((!(ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) || 0 == unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] % -2) || !(ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24)))) || (((m == v_arrayElimCell_24 && (!(ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) || !(ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24))) && m == v_arrayElimCell_25) && unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] <= unknown-#memory_int-unknown[ULTIMATE.start_main_~list~0.base][ULTIMATE.start_main_~list~0.offset] + 99)) && unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] <= 100) || unknown-#memory_int-unknown[m][m] <= 99 [2019-11-16 00:39:01,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_53b1bf24-b073-453a-9b8e-8e50ccf67d30/bin/uautomizer/witness.graphml [2019-11-16 00:39:01,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:39:01,498 INFO L168 Benchmark]: Toolchain (without parser) took 52807.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.4 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -242.5 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,499 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-11-16 00:39:01,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,500 INFO L168 Benchmark]: Boogie Preprocessor took 33.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:39:01,501 INFO L168 Benchmark]: RCFGBuilder took 612.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,502 INFO L168 Benchmark]: TraceAbstraction took 51435.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,502 INFO L168 Benchmark]: Witness Printer took 71.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:01,505 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 602.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 612.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51435.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Witness Printer took 71.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 590]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant [2019-11-16 00:39:01,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-16 00:39:01,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-16 00:39:01,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-16 00:39:01,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((1 == \valid[head] && !(m == head)) && head == list) && (#memory_$Pointer$[list][list + 4] == m || aux-m->val-aux == unknown-#memory_int-unknown[m][m])) && 0 == unknown-#memory_int-unknown[m][m]) && 1 == unknown-#memory_int-unknown[head][head]) && (((#memory_$Pointer$[list][list + 4] == m || aux-m->val-aux == unknown-#memory_int-unknown[m][m]) && (!(#memory_$Pointer$[list][list + 4] == m) || unknown-#memory_int-unknown[list][list] == 1)) || !(#memory_$Pointer$[list][list + 4] == m))) && 1 == \valid[m]) && !(head == list + 8) - InvariantResult [Line: 584]: Loop Invariant [2019-11-16 00:39:01,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,537 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,537 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,537 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,537 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,538 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,539 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,540 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,541 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,543 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,548 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.base,QUANTIFIED] [2019-11-16 00:39:01,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~list~0.offset,QUANTIFIED] [2019-11-16 00:39:01,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_25,QUANTIFIED] [2019-11-16 00:39:01,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_24,QUANTIFIED] [2019-11-16 00:39:01,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:39:01,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (\exists ULTIMATE.start_main_~list~0.base : int, ULTIMATE.start_main_~list~0.offset : int, v_arrayElimCell_25 : int, v_arrayElimCell_24 : int :: ((((((0 == unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] % -2 && m == v_arrayElimCell_24) && ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) && ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24) && m == v_arrayElimCell_25) || (((!(m == v_arrayElimCell_25) || !(m == v_arrayElimCell_24)) && unknown-#memory_int-unknown[m][m] <= 99) && ((!(ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) || 0 == unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] % -2) || !(ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24)))) || (((m == v_arrayElimCell_24 && (!(ULTIMATE.start_main_~list~0.base == v_arrayElimCell_25) || !(ULTIMATE.start_main_~list~0.offset == v_arrayElimCell_24))) && m == v_arrayElimCell_25) && unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] <= unknown-#memory_int-unknown[ULTIMATE.start_main_~list~0.base][ULTIMATE.start_main_~list~0.offset] + 99)) && unknown-#memory_int-unknown[v_arrayElimCell_25][v_arrayElimCell_24] <= 100) || unknown-#memory_int-unknown[m][m] <= 99 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 51.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, HoareTripleCheckerStatistics: 63 SDtfs, 76 SDslu, 210 SDs, 0 SdLazy, 283 SolverSat, 57 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 30.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 15 NumberOfFragments, 206 HoareAnnotationTreeSize, 2 FomulaSimplifications, 3197 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 139 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 98 ConstructedInterpolants, 15 QuantifiedInterpolants, 28640 SizeOfPredicates, 28 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 3/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...