./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/ex3_forlist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/ex3_forlist.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f95c70d702e3726c098ef8eec3c10bcd690c4e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:43:00,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:43:00,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:43:00,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:43:00,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:43:00,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:43:00,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:43:00,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:43:00,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:43:00,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:43:00,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:43:00,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:43:00,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:43:00,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:43:00,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:43:00,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:43:00,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:43:00,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:43:00,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:43:00,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:43:00,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:43:00,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:43:00,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:43:00,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:43:00,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:43:00,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:43:00,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:43:00,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:43:00,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:43:00,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:43:00,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:43:00,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:43:00,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:43:00,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:43:00,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:43:00,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:43:00,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:43:00,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:43:00,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:43:00,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:43:00,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:43:00,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:43:00,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:43:00,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:43:00,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:43:00,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:43:00,532 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:43:00,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:43:00,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:43:00,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:43:00,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:43:00,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:43:00,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:43:00,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:43:00,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:43:00,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:43:00,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:43:00,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:43:00,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:43:00,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:43:00,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:43:00,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:43:00,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:43:00,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:43:00,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:43:00,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:43:00,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:43:00,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:43:00,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:43:00,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:43:00,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:43:00,542 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(reach_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 -> 78f95c70d702e3726c098ef8eec3c10bcd690c4e [2020-10-20 00:43:00,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:43:00,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:43:00,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:43:00,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:43:00,796 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:43:00,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/ex3_forlist.i [2020-10-20 00:43:00,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1426ebe23/d162049a1ee44e84a9def653a9d74e6b/FLAG495a22337 [2020-10-20 00:43:01,386 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:43:01,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i [2020-10-20 00:43:01,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1426ebe23/d162049a1ee44e84a9def653a9d74e6b/FLAG495a22337 [2020-10-20 00:43:01,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1426ebe23/d162049a1ee44e84a9def653a9d74e6b [2020-10-20 00:43:01,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:43:01,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:43:01,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:43:01,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:43:01,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:43:01,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:43:01" (1/1) ... [2020-10-20 00:43:01,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1009f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:01, skipping insertion in model container [2020-10-20 00:43:01,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:43:01" (1/1) ... [2020-10-20 00:43:01,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:43:01,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:43:02,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:43:02,085 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:43:02,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:43:02,157 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:43:02,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02 WrapperNode [2020-10-20 00:43:02,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:43:02,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:43:02,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:43:02,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:43:02,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:43:02,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:43:02,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:43:02,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:43:02,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... [2020-10-20 00:43:02,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:43:02,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:43:02,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:43:02,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:43:02,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:43:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 00:43:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 00:43:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:43:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 00:43:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:43:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:43:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:43:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:43:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:43:02,725 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:43:02,726 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-10-20 00:43:02,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:43:02 BoogieIcfgContainer [2020-10-20 00:43:02,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:43:02,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:43:02,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:43:02,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:43:02,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:43:01" (1/3) ... [2020-10-20 00:43:02,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b395a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:43:02, skipping insertion in model container [2020-10-20 00:43:02,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:43:02" (2/3) ... [2020-10-20 00:43:02,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b395a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:43:02, skipping insertion in model container [2020-10-20 00:43:02,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:43:02" (3/3) ... [2020-10-20 00:43:02,740 INFO L111 eAbstractionObserver]: Analyzing ICFG ex3_forlist.i [2020-10-20 00:43:02,755 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:43:02,764 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 00:43:02,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-20 00:43:02,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:43:02,809 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:43:02,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:43:02,809 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:43:02,810 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:43:02,810 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:43:02,810 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:43:02,811 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:43:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-10-20 00:43:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:43:02,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:02,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:02,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:02,846 INFO L82 PathProgramCache]: Analyzing trace with hash 409945024, now seen corresponding path program 1 times [2020-10-20 00:43:02,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:02,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224851632] [2020-10-20 00:43:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:43:03,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224851632] [2020-10-20 00:43:03,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:43:03,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:43:03,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369761023] [2020-10-20 00:43:03,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:43:03,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:03,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:43:03,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:43:03,077 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-10-20 00:43:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:03,118 INFO L93 Difference]: Finished difference Result 70 states and 102 transitions. [2020-10-20 00:43:03,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:43:03,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-20 00:43:03,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:03,131 INFO L225 Difference]: With dead ends: 70 [2020-10-20 00:43:03,132 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 00:43:03,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:43:03,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 00:43:03,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2020-10-20 00:43:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-20 00:43:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2020-10-20 00:43:03,172 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 15 [2020-10-20 00:43:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:03,172 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-10-20 00:43:03,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:43:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-10-20 00:43:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 00:43:03,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:03,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:03,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:43:03,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1658708759, now seen corresponding path program 1 times [2020-10-20 00:43:03,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:03,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852993720] [2020-10-20 00:43:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:43:03,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852993720] [2020-10-20 00:43:03,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691668193] [2020-10-20 00:43:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:03,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 00:43:03,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 00:43:03,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 00:43:03,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-20 00:43:03,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297128709] [2020-10-20 00:43:03,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:43:03,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:03,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:43:03,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:03,410 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand 3 states. [2020-10-20 00:43:03,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:03,455 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2020-10-20 00:43:03,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:43:03,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 00:43:03,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:03,458 INFO L225 Difference]: With dead ends: 75 [2020-10-20 00:43:03,458 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 00:43:03,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:03,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 00:43:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 34. [2020-10-20 00:43:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-20 00:43:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2020-10-20 00:43:03,468 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 17 [2020-10-20 00:43:03,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:03,468 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2020-10-20 00:43:03,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:43:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-10-20 00:43:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 00:43:03,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:03,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:03,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-20 00:43:03,684 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:03,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1382422530, now seen corresponding path program 1 times [2020-10-20 00:43:03,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:03,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787962690] [2020-10-20 00:43:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:43:03,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787962690] [2020-10-20 00:43:03,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106179977] [2020-10-20 00:43:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:43:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:03,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 00:43:03,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:43:03,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:03,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-20 00:43:03,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115507499] [2020-10-20 00:43:03,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:43:03,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:03,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:43:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:03,869 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 5 states. [2020-10-20 00:43:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:03,912 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-10-20 00:43:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:43:03,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-20 00:43:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:03,914 INFO L225 Difference]: With dead ends: 65 [2020-10-20 00:43:03,914 INFO L226 Difference]: Without dead ends: 36 [2020-10-20 00:43:03,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:03,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-20 00:43:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-20 00:43:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-20 00:43:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2020-10-20 00:43:03,920 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 19 [2020-10-20 00:43:03,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:03,921 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2020-10-20 00:43:03,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:43:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2020-10-20 00:43:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 00:43:03,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:03,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:04,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:04,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:04,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:04,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1994936256, now seen corresponding path program 2 times [2020-10-20 00:43:04,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:04,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300486631] [2020-10-20 00:43:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:04,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300486631] [2020-10-20 00:43:04,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:43:04,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-20 00:43:04,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547788992] [2020-10-20 00:43:04,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:43:04,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:04,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:43:04,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:43:04,481 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand 9 states. [2020-10-20 00:43:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:04,852 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions. [2020-10-20 00:43:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 00:43:04,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-20 00:43:04,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:04,853 INFO L225 Difference]: With dead ends: 77 [2020-10-20 00:43:04,854 INFO L226 Difference]: Without dead ends: 61 [2020-10-20 00:43:04,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-20 00:43:04,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-20 00:43:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 40. [2020-10-20 00:43:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-20 00:43:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2020-10-20 00:43:04,862 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 21 [2020-10-20 00:43:04,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:04,863 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2020-10-20 00:43:04,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:43:04,863 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2020-10-20 00:43:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 00:43:04,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:04,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:04,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 00:43:04,865 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:04,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:04,865 INFO L82 PathProgramCache]: Analyzing trace with hash 902320519, now seen corresponding path program 1 times [2020-10-20 00:43:04,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:04,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644822166] [2020-10-20 00:43:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:04,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644822166] [2020-10-20 00:43:04,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410852926] [2020-10-20 00:43:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:43:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 00:43:04,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:05,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:05,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-20 00:43:05,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470461774] [2020-10-20 00:43:05,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:43:05,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:05,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:43:05,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:05,010 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand 5 states. [2020-10-20 00:43:05,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:05,058 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-10-20 00:43:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:43:05,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 00:43:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:05,060 INFO L225 Difference]: With dead ends: 99 [2020-10-20 00:43:05,060 INFO L226 Difference]: Without dead ends: 78 [2020-10-20 00:43:05,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:43:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-20 00:43:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 45. [2020-10-20 00:43:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 00:43:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2020-10-20 00:43:05,069 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 23 [2020-10-20 00:43:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:05,069 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-10-20 00:43:05,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:43:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-10-20 00:43:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 00:43:05,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:05,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:05,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:05,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:05,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:05,288 INFO L82 PathProgramCache]: Analyzing trace with hash -554343156, now seen corresponding path program 1 times [2020-10-20 00:43:05,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:05,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052781036] [2020-10-20 00:43:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:05,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052781036] [2020-10-20 00:43:05,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631663097] [2020-10-20 00:43:05,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:05,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-20 00:43:05,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:05,808 INFO L384 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 179 treesize of output 171 [2020-10-20 00:43:05,812 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-20 00:43:05,889 INFO L625 ElimStorePlain]: treesize reduction 142, result has 10.7 percent of original size [2020-10-20 00:43:05,893 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:05,893 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-20 00:43:05,944 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-20 00:43:05,945 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:05,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:05,950 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:05,951 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2020-10-20 00:43:06,048 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:43:06,061 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:06,098 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:06,098 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 57 [2020-10-20 00:43:06,099 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:06,126 INFO L625 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-10-20 00:43:06,130 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:43:06,131 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:53, output treesize:22 [2020-10-20 00:43:08,245 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:08,245 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2020-10-20 00:43:08,247 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:08,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:08,261 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:08,261 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2020-10-20 00:43:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:08,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 00:43:08,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2020-10-20 00:43:08,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189686640] [2020-10-20 00:43:08,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 00:43:08,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:08,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 00:43:08,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=302, Unknown=3, NotChecked=0, Total=380 [2020-10-20 00:43:08,270 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 11 states. [2020-10-20 00:43:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:08,910 INFO L93 Difference]: Finished difference Result 133 states and 162 transitions. [2020-10-20 00:43:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-20 00:43:08,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2020-10-20 00:43:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:08,914 INFO L225 Difference]: With dead ends: 133 [2020-10-20 00:43:08,914 INFO L226 Difference]: Without dead ends: 123 [2020-10-20 00:43:08,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=179, Invalid=748, Unknown=3, NotChecked=0, Total=930 [2020-10-20 00:43:08,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-20 00:43:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 61. [2020-10-20 00:43:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-20 00:43:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2020-10-20 00:43:08,936 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 24 [2020-10-20 00:43:08,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:08,937 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2020-10-20 00:43:08,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 00:43:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2020-10-20 00:43:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 00:43:08,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:08,941 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:09,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:09,154 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash 964936531, now seen corresponding path program 1 times [2020-10-20 00:43:09,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:09,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963312574] [2020-10-20 00:43:09,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 00:43:09,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963312574] [2020-10-20 00:43:09,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:43:09,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 00:43:09,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717815080] [2020-10-20 00:43:09,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 00:43:09,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:09,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 00:43:09,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:43:09,279 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand 7 states. [2020-10-20 00:43:09,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:09,543 INFO L93 Difference]: Finished difference Result 138 states and 173 transitions. [2020-10-20 00:43:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 00:43:09,544 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-20 00:43:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:09,545 INFO L225 Difference]: With dead ends: 138 [2020-10-20 00:43:09,545 INFO L226 Difference]: Without dead ends: 128 [2020-10-20 00:43:09,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-10-20 00:43:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-20 00:43:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 61. [2020-10-20 00:43:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-20 00:43:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2020-10-20 00:43:09,556 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 24 [2020-10-20 00:43:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:09,556 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2020-10-20 00:43:09,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 00:43:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2020-10-20 00:43:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 00:43:09,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:09,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:09,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 00:43:09,558 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:09,558 INFO L82 PathProgramCache]: Analyzing trace with hash 152587975, now seen corresponding path program 1 times [2020-10-20 00:43:09,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:09,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533700767] [2020-10-20 00:43:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:09,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533700767] [2020-10-20 00:43:09,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756995136] [2020-10-20 00:43:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:09,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 00:43:09,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:10,056 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-20 00:43:10,056 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:10,061 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:10,061 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:10,062 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-20 00:43:10,133 INFO L384 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 19 treesize of output 7 [2020-10-20 00:43:10,134 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:10,135 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:10,136 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:10,136 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-10-20 00:43:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:10,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:10,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2020-10-20 00:43:10,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720483983] [2020-10-20 00:43:10,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-20 00:43:10,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-20 00:43:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-10-20 00:43:10,153 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand 19 states. [2020-10-20 00:43:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:12,820 INFO L93 Difference]: Finished difference Result 237 states and 309 transitions. [2020-10-20 00:43:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-20 00:43:12,820 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 27 [2020-10-20 00:43:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:12,823 INFO L225 Difference]: With dead ends: 237 [2020-10-20 00:43:12,823 INFO L226 Difference]: Without dead ends: 206 [2020-10-20 00:43:12,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=604, Invalid=2818, Unknown=0, NotChecked=0, Total=3422 [2020-10-20 00:43:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-20 00:43:12,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 116. [2020-10-20 00:43:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-20 00:43:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2020-10-20 00:43:12,854 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 27 [2020-10-20 00:43:12,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:12,855 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2020-10-20 00:43:12,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-20 00:43:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2020-10-20 00:43:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 00:43:12,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:12,859 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:13,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:13,060 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:13,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:13,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2029788007, now seen corresponding path program 1 times [2020-10-20 00:43:13,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:13,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105071561] [2020-10-20 00:43:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:43:13,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105071561] [2020-10-20 00:43:13,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515696924] [2020-10-20 00:43:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 24 conjunts are in the unsatisfiable core [2020-10-20 00:43:13,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:13,662 INFO L384 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 245 treesize of output 229 [2020-10-20 00:43:13,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-20 00:43:13,738 INFO L625 ElimStorePlain]: treesize reduction 189, result has 9.6 percent of original size [2020-10-20 00:43:13,742 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:13,742 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:8 [2020-10-20 00:43:13,876 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 9 [2020-10-20 00:43:13,876 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:13,882 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:13,884 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:13,884 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-10-20 00:43:13,966 INFO L384 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 19 treesize of output 7 [2020-10-20 00:43:13,966 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:13,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:13,970 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:13,970 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2020-10-20 00:43:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:13,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:13,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 23 [2020-10-20 00:43:13,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352554537] [2020-10-20 00:43:13,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-20 00:43:13,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:13,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-20 00:43:13,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-10-20 00:43:13,997 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand 24 states. [2020-10-20 00:43:16,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:16,053 INFO L93 Difference]: Finished difference Result 276 states and 351 transitions. [2020-10-20 00:43:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-20 00:43:16,054 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 27 [2020-10-20 00:43:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:16,056 INFO L225 Difference]: With dead ends: 276 [2020-10-20 00:43:16,056 INFO L226 Difference]: Without dead ends: 236 [2020-10-20 00:43:16,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=418, Invalid=1562, Unknown=0, NotChecked=0, Total=1980 [2020-10-20 00:43:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-20 00:43:16,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 137. [2020-10-20 00:43:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-20 00:43:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 176 transitions. [2020-10-20 00:43:16,092 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 176 transitions. Word has length 27 [2020-10-20 00:43:16,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:16,092 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 176 transitions. [2020-10-20 00:43:16,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-20 00:43:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2020-10-20 00:43:16,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 00:43:16,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:16,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:16,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:16,308 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:16,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1005705568, now seen corresponding path program 1 times [2020-10-20 00:43:16,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:16,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962745707] [2020-10-20 00:43:16,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:16,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962745707] [2020-10-20 00:43:16,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718449743] [2020-10-20 00:43:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:16,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 30 conjunts are in the unsatisfiable core [2020-10-20 00:43:16,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:16,739 INFO L384 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 155 treesize of output 153 [2020-10-20 00:43:16,741 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:16,794 INFO L625 ElimStorePlain]: treesize reduction 133, result has 13.1 percent of original size [2020-10-20 00:43:16,798 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:16,799 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:8 [2020-10-20 00:43:16,868 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 9 [2020-10-20 00:43:16,869 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:16,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:16,874 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:16,874 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:17 [2020-10-20 00:43:17,021 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:17,022 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 54 [2020-10-20 00:43:17,023 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:17,048 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.8 percent of original size [2020-10-20 00:43:17,050 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:17,050 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:67, output treesize:13 [2020-10-20 00:43:17,170 INFO L384 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 19 treesize of output 7 [2020-10-20 00:43:17,171 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:17,174 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:17,175 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:17,175 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2020-10-20 00:43:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 00:43:17,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:17,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2020-10-20 00:43:17,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793639375] [2020-10-20 00:43:17,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-20 00:43:17,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:17,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-20 00:43:17,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2020-10-20 00:43:17,213 INFO L87 Difference]: Start difference. First operand 137 states and 176 transitions. Second operand 23 states. [2020-10-20 00:43:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:18,342 INFO L93 Difference]: Finished difference Result 223 states and 282 transitions. [2020-10-20 00:43:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 00:43:18,343 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 29 [2020-10-20 00:43:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:18,345 INFO L225 Difference]: With dead ends: 223 [2020-10-20 00:43:18,345 INFO L226 Difference]: Without dead ends: 133 [2020-10-20 00:43:18,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=185, Invalid=871, Unknown=0, NotChecked=0, Total=1056 [2020-10-20 00:43:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-20 00:43:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 99. [2020-10-20 00:43:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-20 00:43:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 120 transitions. [2020-10-20 00:43:18,361 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 120 transitions. Word has length 29 [2020-10-20 00:43:18,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:18,362 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 120 transitions. [2020-10-20 00:43:18,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-20 00:43:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-10-20 00:43:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 00:43:18,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:18,363 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:18,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 00:43:18,578 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:18,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:18,578 INFO L82 PathProgramCache]: Analyzing trace with hash 626809592, now seen corresponding path program 1 times [2020-10-20 00:43:18,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:18,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953342356] [2020-10-20 00:43:18,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 00:43:18,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953342356] [2020-10-20 00:43:18,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829742122] [2020-10-20 00:43:18,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:18,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 00:43:18,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 00:43:18,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 00:43:18,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2020-10-20 00:43:18,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902539633] [2020-10-20 00:43:18,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:43:18,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:18,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:43:18,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:43:18,722 INFO L87 Difference]: Start difference. First operand 99 states and 120 transitions. Second operand 5 states. [2020-10-20 00:43:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:18,772 INFO L93 Difference]: Finished difference Result 139 states and 167 transitions. [2020-10-20 00:43:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:43:18,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 00:43:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:18,774 INFO L225 Difference]: With dead ends: 139 [2020-10-20 00:43:18,774 INFO L226 Difference]: Without dead ends: 88 [2020-10-20 00:43:18,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:43:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-20 00:43:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2020-10-20 00:43:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 00:43:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2020-10-20 00:43:18,784 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 32 [2020-10-20 00:43:18,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:18,784 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 94 transitions. [2020-10-20 00:43:18,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:43:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2020-10-20 00:43:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 00:43:18,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:18,785 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:18,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-20 00:43:18,999 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1430549927, now seen corresponding path program 2 times [2020-10-20 00:43:19,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:19,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805322704] [2020-10-20 00:43:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 00:43:19,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805322704] [2020-10-20 00:43:19,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407475588] [2020-10-20 00:43:19,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:19,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-20 00:43:19,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 00:43:19,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 00:43:19,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:19,179 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-20 00:43:19,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 00:43:19,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-10-20 00:43:19,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617780683] [2020-10-20 00:43:19,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:43:19,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:19,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:43:19,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:43:19,181 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. Second operand 5 states. [2020-10-20 00:43:19,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:19,238 INFO L93 Difference]: Finished difference Result 140 states and 154 transitions. [2020-10-20 00:43:19,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:43:19,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 00:43:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:19,240 INFO L225 Difference]: With dead ends: 140 [2020-10-20 00:43:19,240 INFO L226 Difference]: Without dead ends: 99 [2020-10-20 00:43:19,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:43:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-20 00:43:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 70. [2020-10-20 00:43:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-20 00:43:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2020-10-20 00:43:19,254 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 33 [2020-10-20 00:43:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:19,255 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2020-10-20 00:43:19,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:43:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2020-10-20 00:43:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 00:43:19,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:19,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:19,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:19,471 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:19,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1867226753, now seen corresponding path program 1 times [2020-10-20 00:43:19,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:19,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226945530] [2020-10-20 00:43:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 00:43:20,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226945530] [2020-10-20 00:43:20,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133180683] [2020-10-20 00:43:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:20,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-20 00:43:20,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:20,702 INFO L384 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 47 treesize of output 45 [2020-10-20 00:43:20,703 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-20 00:43:20,723 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-20 00:43:20,725 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:20,725 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-20 00:43:20,996 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-10-20 00:43:20,997 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:21,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:21,002 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:21,003 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2020-10-20 00:43:21,076 INFO L384 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 17 treesize of output 9 [2020-10-20 00:43:21,076 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:21,079 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:21,080 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:21,080 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2020-10-20 00:43:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-20 00:43:21,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:21,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28 [2020-10-20 00:43:21,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235707445] [2020-10-20 00:43:21,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-20 00:43:21,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:21,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-20 00:43:21,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2020-10-20 00:43:21,117 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 29 states. [2020-10-20 00:43:22,225 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2020-10-20 00:43:22,474 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 57 [2020-10-20 00:43:23,068 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-20 00:43:23,317 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-10-20 00:43:23,511 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2020-10-20 00:43:23,676 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-10-20 00:43:24,182 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-20 00:43:24,483 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-10-20 00:43:24,804 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-10-20 00:43:24,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:24,968 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2020-10-20 00:43:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-20 00:43:24,969 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 34 [2020-10-20 00:43:24,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:24,970 INFO L225 Difference]: With dead ends: 119 [2020-10-20 00:43:24,970 INFO L226 Difference]: Without dead ends: 87 [2020-10-20 00:43:24,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=506, Invalid=2574, Unknown=0, NotChecked=0, Total=3080 [2020-10-20 00:43:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-20 00:43:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 66. [2020-10-20 00:43:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-20 00:43:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2020-10-20 00:43:24,980 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 34 [2020-10-20 00:43:24,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:24,981 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2020-10-20 00:43:24,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-20 00:43:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2020-10-20 00:43:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 00:43:24,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:24,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:25,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:25,197 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:25,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1031474674, now seen corresponding path program 1 times [2020-10-20 00:43:25,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:25,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287616273] [2020-10-20 00:43:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-20 00:43:25,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287616273] [2020-10-20 00:43:25,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884006581] [2020-10-20 00:43:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:25,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 00:43:25,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:25,686 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-20 00:43:25,686 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:25,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:25,689 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:25,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-10-20 00:43:25,776 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:25,776 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 46 [2020-10-20 00:43:25,777 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:25,801 INFO L625 ElimStorePlain]: treesize reduction 24, result has 47.8 percent of original size [2020-10-20 00:43:25,802 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:43:25,803 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:22 [2020-10-20 00:43:25,898 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:25,898 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2020-10-20 00:43:25,899 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:25,912 INFO L625 ElimStorePlain]: treesize reduction 8, result has 46.7 percent of original size [2020-10-20 00:43:25,913 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:25,913 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2020-10-20 00:43:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 00:43:25,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:25,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2020-10-20 00:43:25,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447415533] [2020-10-20 00:43:25,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-20 00:43:25,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:25,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-20 00:43:25,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2020-10-20 00:43:25,951 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 19 states. [2020-10-20 00:43:26,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:26,569 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2020-10-20 00:43:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 00:43:26,570 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 34 [2020-10-20 00:43:26,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:26,571 INFO L225 Difference]: With dead ends: 86 [2020-10-20 00:43:26,571 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 00:43:26,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2020-10-20 00:43:26,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 00:43:26,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2020-10-20 00:43:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 00:43:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-10-20 00:43:26,581 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 34 [2020-10-20 00:43:26,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:26,582 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-10-20 00:43:26,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-20 00:43:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-10-20 00:43:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 00:43:26,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:43:26,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:43:26,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-20 00:43:26,797 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:43:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:43:26,798 INFO L82 PathProgramCache]: Analyzing trace with hash -452945862, now seen corresponding path program 1 times [2020-10-20 00:43:26,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:43:26,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839736918] [2020-10-20 00:43:26,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:43:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-20 00:43:27,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839736918] [2020-10-20 00:43:27,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759052821] [2020-10-20 00:43:27,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:43:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:43:27,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-20 00:43:27,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:43:27,432 INFO L384 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 47 treesize of output 45 [2020-10-20 00:43:27,439 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-20 00:43:27,457 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-20 00:43:27,460 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,460 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-20 00:43:27,504 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 11 [2020-10-20 00:43:27,505 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,524 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 11 [2020-10-20 00:43:27,524 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,532 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,532 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,533 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:30 [2020-10-20 00:43:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:43:27,607 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 22 [2020-10-20 00:43:27,607 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,623 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:43:27,631 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 22 [2020-10-20 00:43:27,632 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,645 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:43:27,646 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:116, output treesize:40 [2020-10-20 00:43:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:43:27,799 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-10-20 00:43:27,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,808 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,819 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:43:27,819 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2020-10-20 00:43:27,820 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,831 INFO L625 ElimStorePlain]: treesize reduction 12, result has 45.5 percent of original size [2020-10-20 00:43:27,832 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:43:27,833 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:54, output treesize:7 [2020-10-20 00:43:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-20 00:43:27,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:43:27,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 23 [2020-10-20 00:43:27,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858578195] [2020-10-20 00:43:27,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-20 00:43:27,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:43:27,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-20 00:43:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2020-10-20 00:43:27,865 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 24 states. [2020-10-20 00:43:29,840 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-10-20 00:43:33,957 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-10-20 00:43:36,906 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-10-20 00:43:39,714 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-10-20 00:43:42,152 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2020-10-20 00:43:43,767 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-20 00:43:46,756 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-10-20 00:43:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:43:46,758 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2020-10-20 00:43:46,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 00:43:46,759 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2020-10-20 00:43:46,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:43:46,759 INFO L225 Difference]: With dead ends: 48 [2020-10-20 00:43:46,759 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:43:46,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2020-10-20 00:43:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:43:46,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:43:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:43:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:43:46,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-10-20 00:43:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:43:46,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:43:46,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-20 00:43:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:43:46,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:43:46,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-20 00:43:46,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:43:47,231 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 183 [2020-10-20 00:43:47,365 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 160 [2020-10-20 00:43:52,291 WARN L193 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 179 DAG size of output: 104 [2020-10-20 00:43:52,491 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2020-10-20 00:43:52,663 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2020-10-20 00:43:54,075 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2020-10-20 00:43:54,407 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2020-10-20 00:43:54,411 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 33) no Hoare annotation was computed. [2020-10-20 00:43:54,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:43:54,411 INFO L270 CegarLoopResult]: At program point L27-3(lines 27 33) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse1 (+ |~#pp~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.base| |~#pp~0.base|))) (and (= ULTIMATE.start_main_~b~0.offset 2) (= ULTIMATE.start_main_~a~0.offset 1) (<= 2 |ULTIMATE.start_malloc_#res.offset|) (= (select .cse0 0) 0) (<= (+ |ULTIMATE.start_malloc_#res.offset| 1) ~counter~0) (not (= (* ULTIMATE.start_init_~i~0 4) 4)) (= (select .cse0 .cse1) 0) (= |ULTIMATE.start_malloc_#res.base| 0) (= |ULTIMATE.start_malloc_#res.base| ULTIMATE.start_main_~a~0.base) (= (select .cse2 .cse1) 0) (= |~#pstate~0.offset| 0) (<= 1 ULTIMATE.start_init_~i~0) (= ULTIMATE.start_f_~i~1 0) (= ULTIMATE.start_main_~b~0.base ULTIMATE.start_main_~a~0.base) (not (= |~#pp~0.base| |~#pstate~0.base|)) (= ULTIMATE.start_main_~a~0.offset ULTIMATE.start_f_~pointer.offset) (<= |ULTIMATE.start_malloc_#res.offset| 2) (= (select .cse2 |~#pp~0.offset|) 0) (= |~#pp~0.offset| 0))) [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L27-6(lines 27 33) no Hoare annotation was computed. [2020-10-20 00:43:54,412 INFO L270 CegarLoopResult]: At program point L27-7(lines 27 33) the Hoare annotation is: (let ((.cse18 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse19 (+ |~#pp~0.offset| 4))) (let ((.cse0 (= ULTIMATE.start_main_~b~0.offset 2)) (.cse1 (= ULTIMATE.start_main_~a~0.offset 1)) (.cse2 (<= (+ |ULTIMATE.start_malloc_#res.offset| 1) ~counter~0)) (.cse3 (not (= (* ULTIMATE.start_init_~i~0 4) 4))) (.cse4 (= (select .cse18 .cse19) 0)) (.cse5 (= |ULTIMATE.start_malloc_#res.base| 0)) (.cse6 (= |ULTIMATE.start_malloc_#res.base| ULTIMATE.start_main_~a~0.base)) (.cse7 (= (select (select |#memory_$Pointer$.base| |~#pp~0.base|) .cse19) 0)) (.cse8 (= ULTIMATE.start_f_~pointer.base ULTIMATE.start_main_~a~0.base)) (.cse9 (= (select (select |#memory_int| |~#pstate~0.base|) |~#pstate~0.offset|) 1)) (.cse10 (= |~#pstate~0.offset| 0)) (.cse11 (= ULTIMATE.start_main_~b~0.base ULTIMATE.start_main_~a~0.base)) (.cse12 (= (select .cse18 0) ULTIMATE.start_main_~a~0.offset)) (.cse13 (<= (+ ULTIMATE.start_main_~a~0.offset 1) |ULTIMATE.start_malloc_#res.offset|)) (.cse14 (not (= |~#pp~0.base| |~#pstate~0.base|))) (.cse15 (= 2 ULTIMATE.start_f_~pointer.offset)) (.cse16 (<= |ULTIMATE.start_malloc_#res.offset| 2)) (.cse17 (= |~#pp~0.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_f_~i~1 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_f_~i~1 0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L19-2(lines 19 22) no Hoare annotation was computed. [2020-10-20 00:43:54,412 INFO L270 CegarLoopResult]: At program point L19-3(lines 19 22) the Hoare annotation is: (let ((.cse8 (select |#memory_$Pointer$.base| |~#pp~0.base|)) (.cse1 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse9 (+ |~#pp~0.offset| 4))) (let ((.cse0 (= |~#pstate~0.offset| 0)) (.cse2 (not (= |~#pp~0.base| |~#pstate~0.base|))) (.cse3 (= ~counter~0 1)) (.cse4 (= (select .cse1 .cse9) 0)) (.cse5 (= (select .cse8 .cse9) 0)) (.cse6 (= (select .cse8 |~#pp~0.offset|) 0)) (.cse7 (= |~#pp~0.offset| 0))) (or (and (<= 1 ULTIMATE.start_init_~i~0) .cse0 (= (select .cse1 0) 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= (select .cse1 (+ |~#pp~0.offset| (* ULTIMATE.start_init_~i~0 4))) 0) (= ULTIMATE.start_init_~i~0 0) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L36(lines 36 45) no Hoare annotation was computed. [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L36-1(lines 36 45) no Hoare annotation was computed. [2020-10-20 00:43:54,412 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:43:54,413 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:43:54,413 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:43:54,413 INFO L274 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2020-10-20 00:43:54,413 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 32) no Hoare annotation was computed. [2020-10-20 00:43:54,413 INFO L277 CegarLoopResult]: At program point L70(lines 53 71) the Hoare annotation is: true [2020-10-20 00:43:54,413 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 44) no Hoare annotation was computed. [2020-10-20 00:43:54,414 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 44) the Hoare annotation is: (let ((.cse19 (select |#memory_$Pointer$.base| |~#pp~0.base|)) (.cse15 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse35 (+ |~#pp~0.offset| 4))) (let ((.cse29 (select |#memory_int| |~#pstate~0.base|)) (.cse33 (select .cse15 .cse35)) (.cse28 (select .cse19 .cse35)) (.cse34 (select .cse15 0)) (.cse30 (* ULTIMATE.start_g_~i~2 4))) (let ((.cse16 (+ |~#pp~0.offset| .cse30)) (.cse18 (= ULTIMATE.start_main_~b~0.offset 2)) (.cse20 (= .cse34 ULTIMATE.start_g_~pointer.offset)) (.cse21 (= .cse28 ULTIMATE.start_main_~a~0.base)) (.cse23 (= .cse33 ULTIMATE.start_main_~b~0.offset)) (.cse25 (= ULTIMATE.start_f_~pointer.base ULTIMATE.start_main_~a~0.base)) (.cse27 (= .cse34 ULTIMATE.start_main_~a~0.offset)) (.cse6 (not (= .cse33 ULTIMATE.start_main_~a~0.offset))) (.cse2 (= ULTIMATE.start_f_~i~1 1)) (.cse3 (= (select .cse29 0) 1)) (.cse7 (<= 1 ~counter~0)) (.cse5 (= |ULTIMATE.start_malloc_#res.base| 0)) (.cse32 (<= 2 ULTIMATE.start_g_~i~2)) (.cse31 (= ULTIMATE.start_f_~i~1 0)) (.cse8 (= |~#pstate~0.offset| 0)) (.cse0 (= ULTIMATE.start_main_~a~0.offset 1)) (.cse10 (<= 2 ULTIMATE.start_main_~b~0.offset)) (.cse12 (<= ULTIMATE.start_main_~b~0.offset 2)) (.cse11 (= ULTIMATE.start_main_~a~0.base 0)) (.cse4 (= (select .cse29 (+ |~#pstate~0.offset| 4)) 1)) (.cse13 (= 2 ULTIMATE.start_f_~pointer.offset)) (.cse26 (= ULTIMATE.start_main_~b~0.base ULTIMATE.start_main_~a~0.base)) (.cse1 (<= 2 |ULTIMATE.start_malloc_#res.offset|)) (.cse22 (<= (+ |ULTIMATE.start_malloc_#res.offset| 1) ~counter~0)) (.cse9 (not (= |~#pp~0.base| |~#pstate~0.base|))) (.cse24 (= |ULTIMATE.start_malloc_#res.base| ULTIMATE.start_main_~a~0.base)) (.cse14 (<= |ULTIMATE.start_malloc_#res.offset| 2)) (.cse17 (= |~#pp~0.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 ULTIMATE.start_g_~i~2) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_g_~pointer.offset (select .cse15 .cse16))) .cse17) (and .cse18 (= ULTIMATE.start_g_~pointer.base (select .cse19 .cse16)) (= ULTIMATE.start_g_~i~2 1) .cse20 .cse0 .cse21 .cse22 .cse23 .cse2 .cse4 .cse5 .cse24 .cse25 .cse8 .cse26 .cse27 (<= (+ ULTIMATE.start_main_~a~0.offset 1) |ULTIMATE.start_malloc_#res.offset|) .cse9 .cse13 .cse14 .cse17) (and .cse18 .cse20 .cse0 .cse1 .cse21 .cse22 .cse23 .cse2 .cse4 .cse5 .cse24 (= .cse28 ULTIMATE.start_g_~pointer.base) .cse25 .cse8 .cse26 .cse27 .cse9 (= (select .cse29 (+ |~#pstate~0.offset| .cse30)) 1) .cse13 (= ULTIMATE.start_g_~i~2 0) .cse14 .cse17) (and (or (and .cse6 .cse8 .cse0 .cse1 .cse10 .cse11 .cse2 .cse12 .cse3 .cse4 .cse13 .cse14) (and .cse31 .cse8 .cse0 .cse1 .cse10 .cse11 .cse12 .cse3 .cse4 .cse13 .cse14)) .cse7 .cse32 .cse9 .cse5 .cse17) (and .cse32 (or (and .cse8 .cse0 .cse10 .cse12 (<= 1 ULTIMATE.start_f_~i~1) .cse11 .cse4 .cse13) (and .cse31 .cse8 .cse0 .cse10 .cse12 .cse11 .cse4 .cse13)) .cse26 .cse1 .cse22 .cse9 (<= (+ (select .cse15 |~#pp~0.offset|) 1) ULTIMATE.start_main_~b~0.offset) .cse24 .cse14 .cse17))))) [2020-10-20 00:43:54,414 INFO L274 CegarLoopResult]: For program point L38-6(lines 38 44) no Hoare annotation was computed. [2020-10-20 00:43:54,414 INFO L270 CegarLoopResult]: At program point L38-7(lines 38 44) the Hoare annotation is: (let ((.cse16 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse21 (* ULTIMATE.start_g_~i~2 4))) (let ((.cse20 (select |#memory_int| |~#pstate~0.base|)) (.cse23 (select .cse16 (+ |~#pp~0.offset| .cse21)))) (let ((.cse17 (= ULTIMATE.start_g_~i~2 0)) (.cse15 (<= 1 ~counter~0)) (.cse11 (<= 1 ULTIMATE.start_f_~i~1)) (.cse0 (or (not (= .cse21 4)) (not (= ULTIMATE.start_g_~pointer.offset .cse23)))) (.cse1 (= ULTIMATE.start_main_~a~0.offset 1)) (.cse2 (<= 2 |ULTIMATE.start_malloc_#res.offset|)) (.cse3 (< 0 ULTIMATE.start_g_~i~2)) (.cse4 (= (select .cse20 (+ |~#pstate~0.offset| 4)) 1)) (.cse5 (= |ULTIMATE.start_malloc_#res.base| 0)) (.cse6 (= |~#pstate~0.offset| 0)) (.cse19 (= ULTIMATE.start_f_~i~1 0)) (.cse7 (not (= |~#pp~0.base| |~#pstate~0.base|))) (.cse8 (<= 2 ULTIMATE.start_main_~b~0.offset)) (.cse9 (= ULTIMATE.start_main_~a~0.base 0)) (.cse10 (<= ULTIMATE.start_main_~b~0.offset 2)) (.cse12 (= 2 ULTIMATE.start_f_~pointer.offset)) (.cse13 (<= |ULTIMATE.start_malloc_#res.offset| 2)) (.cse14 (= |~#pp~0.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse15 .cse7 .cse5 (let ((.cse18 (or (and (= (select .cse20 |~#pstate~0.offset|) 1) (exists ((ULTIMATE.start_f_~i~1 Int)) (and (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* ULTIMATE.start_f_~i~1 4))) 1) (<= 1 ULTIMATE.start_f_~i~1))) .cse6 .cse11 .cse9 .cse14) (and .cse6 (= (select .cse20 (+ |~#pstate~0.offset| .cse21)) 1) .cse9 .cse14)))) (or (and (not (= (select .cse16 (+ |~#pp~0.offset| 4)) ULTIMATE.start_main_~a~0.offset)) .cse1 .cse2 .cse8 .cse10 (= ULTIMATE.start_f_~i~1 1) .cse4 .cse12 .cse17 .cse18 .cse13) (and .cse19 .cse1 .cse2 .cse8 .cse10 .cse4 .cse12 .cse17 .cse18 .cse13)))) (and .cse15 .cse7 (let ((.cse22 (= ULTIMATE.start_g_~i~2 1))) (or (and .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse22 .cse1 .cse2 .cse4 .cse5 .cse6 .cse19 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14)))) (and (<= (+ (select .cse16 |~#pp~0.offset|) 1) ULTIMATE.start_g_~pointer.offset) (= ULTIMATE.start_main_~b~0.base ULTIMATE.start_main_~a~0.base) (or (and .cse6 .cse19 .cse1 .cse2 .cse8 .cse9 .cse10 .cse4 .cse5 .cse12 .cse14) (and .cse6 .cse1 .cse2 .cse8 .cse9 .cse10 .cse11 .cse4 .cse5 .cse12 .cse14)) (<= (+ |ULTIMATE.start_malloc_#res.offset| 1) ~counter~0) .cse7 (<= (+ .cse23 1) ULTIMATE.start_main_~b~0.offset) .cse17 .cse13) (and .cse15 (<= 2 ULTIMATE.start_g_~i~2) (or (and .cse6 .cse1 .cse2 .cse7 .cse8 .cse9 .cse10 .cse11 .cse5 .cse12 .cse13 .cse14) (and .cse6 .cse19 .cse1 .cse2 .cse7 .cse8 .cse9 .cse10 .cse5 .cse12 .cse13 .cse14))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse19 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14))))) [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point L39(lines 39 43) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point L6(lines 1 71) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point L39-2(lines 39 43) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point L6-1(lines 1 71) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:43:54,415 INFO L270 CegarLoopResult]: At program point L49(lines 48 51) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse1 (+ |~#pp~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.base| |~#pp~0.base|))) (and (= (select .cse0 0) 0) (not (= (* ULTIMATE.start_init_~i~0 4) 4)) (<= ~counter~0 2) (= (select .cse0 .cse1) 0) (<= 2 ~counter~0) (= |ULTIMATE.start_malloc_#res.base| 0) (= (select .cse2 .cse1) 0) (= |~#pstate~0.offset| 0) (<= 1 ULTIMATE.start_init_~i~0) (= |ULTIMATE.start_malloc_#res.offset| 1) (not (= |~#pp~0.base| |~#pstate~0.base|)) (= (select .cse2 |~#pp~0.offset|) 0) (= |~#pp~0.offset| 0))) [2020-10-20 00:43:54,416 INFO L270 CegarLoopResult]: At program point L49-1(lines 48 51) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#pp~0.base|)) (.cse1 (+ |~#pp~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.base| |~#pp~0.base|))) (and (= (select .cse0 0) 0) (<= (+ |ULTIMATE.start_malloc_#res.offset| 1) ~counter~0) (<= 1 ULTIMATE.start_main_~a~0.offset) (not (= (* ULTIMATE.start_init_~i~0 4) 4)) (= (select .cse0 .cse1) 0) (= |ULTIMATE.start_malloc_#res.base| ULTIMATE.start_main_~a~0.base) (= (select .cse2 .cse1) 0) (= |~#pstate~0.offset| 0) (<= 1 ULTIMATE.start_init_~i~0) (<= (+ ULTIMATE.start_main_~a~0.offset 1) |ULTIMATE.start_malloc_#res.offset|) (not (= |~#pp~0.base| |~#pstate~0.base|)) (= ULTIMATE.start_main_~a~0.base 0) (<= |ULTIMATE.start_malloc_#res.offset| 2) (= (select .cse2 |~#pp~0.offset|) 0) (= |~#pp~0.offset| 0))) [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L41-2(line 41) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L25(lines 25 34) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L25-1(lines 25 34) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-10-20 00:43:54,416 INFO L274 CegarLoopResult]: For program point L59(lines 59 60) no Hoare annotation was computed. [2020-10-20 00:43:54,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,510 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,511 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,527 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,539 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,539 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,539 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,540 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:43:54 BoogieIcfgContainer [2020-10-20 00:43:54,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:43:54,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:43:54,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:43:54,578 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:43:54,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:43:02" (3/4) ... [2020-10-20 00:43:54,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:43:54,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-10-20 00:43:54,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 00:43:54,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:43:54,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:43:54,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((#memory_$Pointer$[pp][0] == 0 && !(i * 4 == 4)) && counter <= 2) && #memory_$Pointer$[pp][pp + 4] == 0) && 2 <= counter) && \result == 0) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && \result == 1) && !(pp == pstate)) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 [2020-10-20 00:43:54,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((#memory_$Pointer$[pp][0] == 0 && \result + 1 <= counter) && 1 <= a) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && a + 1 <= \result) && !(pp == pstate)) && a == 0) && \result <= 2) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 [2020-10-20 00:43:54,631 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((b == 2 && a == 1) && 2 <= \result) && #memory_$Pointer$[pp][0] == 0) && \result + 1 <= counter) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && i == 0) && b == a) && !(pp == pstate)) && a == pointer) && \result <= 2) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 [2020-10-20 00:43:54,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((b == 2 && a == 1) && \result + 1 <= counter) && !(i * 4 == 4)) && i == 1) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pointer == a) && unknown-#memory_int-unknown[pstate][pstate] == 1) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0) || ((((((((((((((((((b == 2 && a == 1) && \result + 1 <= counter) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pointer == a) && unknown-#memory_int-unknown[pstate][pstate] == 1) && pstate == 0) && i == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0) [2020-10-20 00:43:54,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((a == 1 && 2 <= \result) && i == 1) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && !(#memory_$Pointer$[pp][pp + 4] == a)) && 1 <= i) && 1 <= counter) && pstate == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && pp == 0) || ((((((((((((((((((((b == 2 && pointer == #memory_$Pointer$[pp][pp + i * 4]) && i == 1) && #memory_$Pointer$[pp][0] == pointer) && a == 1) && #memory_$Pointer$[pp][pp + 4] == a) && \result + 1 <= counter) && #memory_$Pointer$[pp][pp + 4] == b) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && \result == a) && pointer == a) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0)) || (((((((((((((((((((((b == 2 && #memory_$Pointer$[pp][0] == pointer) && a == 1) && 2 <= \result) && #memory_$Pointer$[pp][pp + 4] == a) && \result + 1 <= counter) && #memory_$Pointer$[pp][pp + 4] == b) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == pointer) && pointer == a) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && !(pp == pstate)) && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && 2 == pointer) && i == 0) && \result <= 2) && pp == 0)) || (((((((((((((((((!(#memory_$Pointer$[pp][pp + 4] == a) && pstate == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && i == 1) && b <= 2) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && \result <= 2) || ((((((((((i == 0 && pstate == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && \result <= 2)) && 1 <= counter) && 2 <= i) && !(pp == pstate)) && \result == 0) && pp == 0)) || (((((((((2 <= i && ((((((((pstate == 0 && a == 1) && 2 <= b) && b <= 2) && 1 <= i) && a == 0) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) || (((((((i == 0 && pstate == 0) && a == 1) && 2 <= b) && b <= 2) && a == 0) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer))) && b == a) && 2 <= \result) && \result + 1 <= counter) && !(pp == pstate)) && #memory_$Pointer$[pp][pp] + 1 <= b) && \result == a) && \result <= 2) && pp == 0) [2020-10-20 00:43:54,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(i * 4 == 4) || !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && a == 1) && 2 <= \result) && 0 < i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && 2 == pointer) && \result <= 2) && pp == 0) || (((1 <= counter && !(pp == pstate)) && \result == 0) && (((((((((((!(#memory_$Pointer$[pp][pp + 4] == a) && a == 1) && 2 <= \result) && 2 <= b) && b <= 2) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && i == 0) && ((((((unknown-#memory_int-unknown[pstate][pstate] == 1 && (\exists ULTIMATE.start_f_~i~1 : int :: unknown-#memory_int-unknown[pstate][pstate + ULTIMATE.start_f_~i~1 * 4] == 1 && 1 <= ULTIMATE.start_f_~i~1)) && pstate == 0) && 1 <= i) && a == 0) && pp == 0) || (((pstate == 0 && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && a == 0) && pp == 0))) && \result <= 2) || (((((((((i == 0 && a == 1) && 2 <= \result) && 2 <= b) && b <= 2) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && i == 0) && ((((((unknown-#memory_int-unknown[pstate][pstate] == 1 && (\exists ULTIMATE.start_f_~i~1 : int :: unknown-#memory_int-unknown[pstate][pstate + ULTIMATE.start_f_~i~1 * 4] == 1 && 1 <= ULTIMATE.start_f_~i~1)) && pstate == 0) && 1 <= i) && a == 0) && pp == 0) || (((pstate == 0 && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && a == 0) && pp == 0))) && \result <= 2)))) || ((1 <= counter && !(pp == pstate)) && (((((((((((((i == 1 && a == 1) && 2 <= \result) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && 2 == pointer) && \result <= 2) && pp == 0) || ((((((((((((i == 1 && a == 1) && 2 <= \result) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && i == 0) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && pp == 0)))) || (((((((#memory_$Pointer$[pp][pp] + 1 <= pointer && b == a) && (((((((((((pstate == 0 && i == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && 2 == pointer) && pp == 0) || ((((((((((pstate == 0 && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && 2 == pointer) && pp == 0))) && \result + 1 <= counter) && !(pp == pstate)) && #memory_$Pointer$[pp][pp + i * 4] + 1 <= b) && i == 0) && \result <= 2)) || ((1 <= counter && 2 <= i) && ((((((((((((pstate == 0 && a == 1) && 2 <= \result) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && \result == 0) && 2 == pointer) && \result <= 2) && pp == 0) || (((((((((((pstate == 0 && i == 0) && a == 1) && 2 <= \result) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && \result == 0) && 2 == pointer) && \result <= 2) && pp == 0)))) || (((((((((((((((!(i * 4 == 4) || !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && a == 1) && 2 <= \result) && 0 < i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && i == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && pp == 0) [2020-10-20 00:43:54,657 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:43:54,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:43:54,659 INFO L168 Benchmark]: Toolchain (without parser) took 52932.20 ms. Allocated memory was 35.7 MB in the beginning and 129.5 MB in the end (delta: 93.8 MB). Free memory was 16.4 MB in the beginning and 22.1 MB in the end (delta: -5.7 MB). Peak memory consumption was 88.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,659 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 34.1 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 15.5 MB in the beginning and 25.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.80 ms. Allocated memory is still 44.0 MB. Free memory was 25.0 MB in the beginning and 22.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,660 INFO L168 Benchmark]: Boogie Preprocessor took 30.38 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,661 INFO L168 Benchmark]: RCFGBuilder took 457.27 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 21.0 MB in the beginning and 25.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,661 INFO L168 Benchmark]: TraceAbstraction took 51846.66 ms. Allocated memory was 45.6 MB in the beginning and 129.5 MB in the end (delta: 83.9 MB). Free memory was 25.1 MB in the beginning and 26.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 102.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,661 INFO L168 Benchmark]: Witness Printer took 79.75 ms. Allocated memory is still 129.5 MB. Free memory was 26.2 MB in the beginning and 22.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:43:54,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 34.1 MB. Free memory was 10.3 MB in the beginning and 10.2 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 424.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 15.5 MB in the beginning and 25.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.80 ms. Allocated memory is still 44.0 MB. Free memory was 25.0 MB in the beginning and 22.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 30.38 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 457.27 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 21.0 MB in the beginning and 25.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 51846.66 ms. Allocated memory was 45.6 MB in the beginning and 129.5 MB in the end (delta: 83.9 MB). Free memory was 25.1 MB in the beginning and 26.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 102.8 MB. Max. memory is 14.3 GB. * Witness Printer took 79.75 ms. Allocated memory is still 129.5 MB. Free memory was 26.2 MB in the beginning and 22.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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 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 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 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 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 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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset * 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant [2020-10-20 00:43:54,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,685 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,696 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_f_~i~1,QUANTIFIED] [2020-10-20 00:43:54,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((!(i * 4 == 4) || !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && a == 1) && 2 <= \result) && 0 < i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && 2 == pointer) && \result <= 2) && pp == 0) || (((1 <= counter && !(pp == pstate)) && \result == 0) && (((((((((((!(#memory_$Pointer$[pp][pp + 4] == a) && a == 1) && 2 <= \result) && 2 <= b) && b <= 2) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && i == 0) && ((((((unknown-#memory_int-unknown[pstate][pstate] == 1 && (\exists ULTIMATE.start_f_~i~1 : int :: unknown-#memory_int-unknown[pstate][pstate + ULTIMATE.start_f_~i~1 * 4] == 1 && 1 <= ULTIMATE.start_f_~i~1)) && pstate == 0) && 1 <= i) && a == 0) && pp == 0) || (((pstate == 0 && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && a == 0) && pp == 0))) && \result <= 2) || (((((((((i == 0 && a == 1) && 2 <= \result) && 2 <= b) && b <= 2) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && i == 0) && ((((((unknown-#memory_int-unknown[pstate][pstate] == 1 && (\exists ULTIMATE.start_f_~i~1 : int :: unknown-#memory_int-unknown[pstate][pstate + ULTIMATE.start_f_~i~1 * 4] == 1 && 1 <= ULTIMATE.start_f_~i~1)) && pstate == 0) && 1 <= i) && a == 0) && pp == 0) || (((pstate == 0 && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && a == 0) && pp == 0))) && \result <= 2)))) || ((1 <= counter && !(pp == pstate)) && (((((((((((((i == 1 && a == 1) && 2 <= \result) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && 2 == pointer) && \result <= 2) && pp == 0) || ((((((((((((i == 1 && a == 1) && 2 <= \result) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && i == 0) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && pp == 0)))) || (((((((#memory_$Pointer$[pp][pp] + 1 <= pointer && b == a) && (((((((((((pstate == 0 && i == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && 2 == pointer) && pp == 0) || ((((((((((pstate == 0 && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && 2 == pointer) && pp == 0))) && \result + 1 <= counter) && !(pp == pstate)) && #memory_$Pointer$[pp][pp + i * 4] + 1 <= b) && i == 0) && \result <= 2)) || ((1 <= counter && 2 <= i) && ((((((((((((pstate == 0 && a == 1) && 2 <= \result) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 1 <= i) && \result == 0) && 2 == pointer) && \result <= 2) && pp == 0) || (((((((((((pstate == 0 && i == 0) && a == 1) && 2 <= \result) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && \result == 0) && 2 == pointer) && \result <= 2) && pp == 0)))) || (((((((((((((((!(i * 4 == 4) || !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && a == 1) && 2 <= \result) && 0 < i) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && pstate == 0) && i == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && pp == 0) - InvariantResult [Line: 48]: Loop Invariant [2020-10-20 00:43:54,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((((((#memory_$Pointer$[pp][0] == 0 && \result + 1 <= counter) && 1 <= a) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && a + 1 <= \result) && !(pp == pstate)) && a == 0) && \result <= 2) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 - InvariantResult [Line: 19]: Loop Invariant [2020-10-20 00:43:54,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((1 <= i && pstate == 0) && #memory_$Pointer$[pp][0] == 0) && !(pp == pstate)) && counter == 1) && #memory_$Pointer$[pp][pp + 4] == 0) && #memory_$Pointer$[pp][pp + 4] == 0) && #memory_$Pointer$[pp][pp] == 0) && pp == 0) || ((((((((#memory_$Pointer$[pp][pp + i * 4] == 0 && i == 0) && pstate == 0) && !(pp == pstate)) && counter == 1) && #memory_$Pointer$[pp][pp + 4] == 0) && #memory_$Pointer$[pp][pp + 4] == 0) && #memory_$Pointer$[pp][pp] == 0) && pp == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant [2020-10-20 00:43:54,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((((#memory_$Pointer$[pp][0] == 0 && !(i * 4 == 4)) && counter <= 2) && #memory_$Pointer$[pp][pp + 4] == 0) && 2 <= counter) && \result == 0) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && \result == 1) && !(pp == pstate)) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 - InvariantResult [Line: 27]: Loop Invariant [2020-10-20 00:43:54,735 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((((((((((b == 2 && a == 1) && 2 <= \result) && #memory_$Pointer$[pp][0] == 0) && \result + 1 <= counter) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pstate == 0) && 1 <= i) && i == 0) && b == a) && !(pp == pstate)) && a == pointer) && \result <= 2) && #memory_$Pointer$[pp][pp] == 0) && pp == 0 - InvariantResult [Line: 38]: Loop Invariant [2020-10-20 00:43:54,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,746 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,762 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((((((((((((a == 1 && 2 <= \result) && i == 1) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && !(#memory_$Pointer$[pp][pp + 4] == a)) && 1 <= i) && 1 <= counter) && pstate == 0) && !(pp == pstate)) && 2 <= b) && a == 0) && b <= 2) && 2 == pointer) && \result <= 2) && !(pointer == #memory_$Pointer$[pp][pp + i * 4])) && pp == 0) || ((((((((((((((((((((b == 2 && pointer == #memory_$Pointer$[pp][pp + i * 4]) && i == 1) && #memory_$Pointer$[pp][0] == pointer) && a == 1) && #memory_$Pointer$[pp][pp + 4] == a) && \result + 1 <= counter) && #memory_$Pointer$[pp][pp + 4] == b) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && \result == a) && pointer == a) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0)) || (((((((((((((((((((((b == 2 && #memory_$Pointer$[pp][0] == pointer) && a == 1) && 2 <= \result) && #memory_$Pointer$[pp][pp + 4] == a) && \result + 1 <= counter) && #memory_$Pointer$[pp][pp + 4] == b) && i == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == pointer) && pointer == a) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && !(pp == pstate)) && unknown-#memory_int-unknown[pstate][pstate + i * 4] == 1) && 2 == pointer) && i == 0) && \result <= 2) && pp == 0)) || (((((((((((((((((!(#memory_$Pointer$[pp][pp + 4] == a) && pstate == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && i == 1) && b <= 2) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && \result <= 2) || ((((((((((i == 0 && pstate == 0) && a == 1) && 2 <= \result) && 2 <= b) && a == 0) && b <= 2) && unknown-#memory_int-unknown[pstate][0] == 1) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) && \result <= 2)) && 1 <= counter) && 2 <= i) && !(pp == pstate)) && \result == 0) && pp == 0)) || (((((((((2 <= i && ((((((((pstate == 0 && a == 1) && 2 <= b) && b <= 2) && 1 <= i) && a == 0) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer) || (((((((i == 0 && pstate == 0) && a == 1) && 2 <= b) && b <= 2) && a == 0) && unknown-#memory_int-unknown[pstate][pstate + 4] == 1) && 2 == pointer))) && b == a) && 2 <= \result) && \result + 1 <= counter) && !(pp == pstate)) && #memory_$Pointer$[pp][pp] + 1 <= b) && \result == a) && \result <= 2) && pp == 0) - InvariantResult [Line: 27]: Loop Invariant [2020-10-20 00:43:54,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:43:54,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:43:54,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:43:54,787 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:43:54,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((((((((((b == 2 && a == 1) && \result + 1 <= counter) && !(i * 4 == 4)) && i == 1) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pointer == a) && unknown-#memory_int-unknown[pstate][pstate] == 1) && pstate == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0) || ((((((((((((((((((b == 2 && a == 1) && \result + 1 <= counter) && !(i * 4 == 4)) && #memory_$Pointer$[pp][pp + 4] == 0) && \result == 0) && \result == a) && #memory_$Pointer$[pp][pp + 4] == 0) && pointer == a) && unknown-#memory_int-unknown[pstate][pstate] == 1) && pstate == 0) && i == 0) && b == a) && #memory_$Pointer$[pp][0] == a) && a + 1 <= \result) && !(pp == pstate)) && 2 == pointer) && \result <= 2) && pp == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.1s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 30.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 519 SDtfs, 2235 SDslu, 2516 SDs, 0 SdLazy, 3873 SolverSat, 767 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 288 SyntacticMatches, 4 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2253 ImplicationChecksByTransitivity, 32.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 488 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 30 NumberOfFragments, 1663 HoareAnnotationTreeSize, 8 FomulaSimplifications, 1511521 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 8 FomulaSimplificationsInter, 63599 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 705 ConstructedInterpolants, 15 QuantifiedInterpolants, 177659 SizeOfPredicates, 96 NumberOfNonLiveVariables, 2281 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 27 InterpolantComputations, 7 PerfectInterpolantSequences, 161/236 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...