./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f543785985cc26d3ae0e2e08051519180509acad ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:58:44,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:58:44,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:58:44,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:58:44,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:58:44,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:58:44,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:58:44,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:58:44,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:58:44,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:58:44,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:58:44,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:58:44,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:58:44,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:58:44,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:58:44,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:58:44,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:58:44,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:58:44,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:58:44,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:58:44,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:58:44,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:58:44,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:58:44,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:58:44,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:58:44,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:58:44,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:58:44,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:58:44,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:58:44,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:58:44,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:58:44,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:58:44,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:58:44,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:58:44,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:58:44,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:58:44,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:58:44,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:58:44,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:58:44,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:58:44,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:58:44,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:58:44,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:58:44,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:58:44,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:58:44,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:58:44,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:58:44,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:58:44,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:58:44,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:58:44,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:58:44,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:58:44,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:58:44,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f543785985cc26d3ae0e2e08051519180509acad [2019-12-07 13:58:44,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:58:44,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:58:44,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:58:44,781 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:58:44,781 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:58:44,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2019-12-07 13:58:44,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/data/b559e59f0/ff681fa97c8b4b62a899783daa8c2fd8/FLAG685f47b9a [2019-12-07 13:58:45,227 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:58:45,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2019-12-07 13:58:45,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/data/b559e59f0/ff681fa97c8b4b62a899783daa8c2fd8/FLAG685f47b9a [2019-12-07 13:58:45,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/data/b559e59f0/ff681fa97c8b4b62a899783daa8c2fd8 [2019-12-07 13:58:45,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:58:45,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:58:45,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:58:45,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:58:45,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:58:45,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45, skipping insertion in model container [2019-12-07 13:58:45,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:58:45,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:58:45,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:58:45,360 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:58:45,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:58:45,424 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:58:45,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45 WrapperNode [2019-12-07 13:58:45,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:58:45,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:58:45,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:58:45,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:58:45,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:58:45,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:58:45,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:58:45,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:58:45,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... [2019-12-07 13:58:45,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:58:45,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:58:45,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:58:45,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:58:45,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:58:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:58:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:58:45,609 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:58:45,609 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:58:45,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:58:45 BoogieIcfgContainer [2019-12-07 13:58:45,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:58:45,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:58:45,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:58:45,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:58:45,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:58:45" (1/3) ... [2019-12-07 13:58:45,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484b3a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:58:45, skipping insertion in model container [2019-12-07 13:58:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:58:45" (2/3) ... [2019-12-07 13:58:45,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484b3a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:58:45, skipping insertion in model container [2019-12-07 13:58:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:58:45" (3/3) ... [2019-12-07 13:58:45,615 INFO L109 eAbstractionObserver]: Analyzing ICFG phases_2-2.c [2019-12-07 13:58:45,621 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:58:45,625 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:58:45,632 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:58:45,648 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:58:45,648 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:58:45,648 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:58:45,648 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:58:45,648 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:58:45,649 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:58:45,649 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:58:45,649 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:58:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-12-07 13:58:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 13:58:45,662 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:58:45,662 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:58:45,662 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:58:45,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:58:45,666 INFO L82 PathProgramCache]: Analyzing trace with hash 922384074, now seen corresponding path program 1 times [2019-12-07 13:58:45,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:58:45,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429522942] [2019-12-07 13:58:45,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:58:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:58:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:58:45,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429522942] [2019-12-07 13:58:45,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:58:45,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:58:45,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135459073] [2019-12-07 13:58:45,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:58:45,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:58:45,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:58:45,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:58:45,760 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-12-07 13:58:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:58:45,770 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-12-07 13:58:45,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:58:45,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-07 13:58:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:58:45,777 INFO L225 Difference]: With dead ends: 18 [2019-12-07 13:58:45,777 INFO L226 Difference]: Without dead ends: 8 [2019-12-07 13:58:45,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:58:45,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-07 13:58:45,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 13:58:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 13:58:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-12-07 13:58:45,800 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2019-12-07 13:58:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:58:45,800 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-12-07 13:58:45,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:58:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-07 13:58:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 13:58:45,801 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:58:45,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 13:58:45,801 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:58:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:58:45,801 INFO L82 PathProgramCache]: Analyzing trace with hash 922086164, now seen corresponding path program 1 times [2019-12-07 13:58:45,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:58:45,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293644828] [2019-12-07 13:58:45,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:58:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:58:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:58:45,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293644828] [2019-12-07 13:58:45,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:58:45,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:58:45,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770218440] [2019-12-07 13:58:45,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:58:45,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:58:45,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:58:45,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:58:45,997 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 6 states. [2019-12-07 13:58:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:58:50,056 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-12-07 13:58:50,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:58:50,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-12-07 13:58:50,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:58:50,058 INFO L225 Difference]: With dead ends: 14 [2019-12-07 13:58:50,058 INFO L226 Difference]: Without dead ends: 10 [2019-12-07 13:58:50,058 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:58:50,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-07 13:58:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-12-07 13:58:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 13:58:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-12-07 13:58:50,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-12-07 13:58:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:58:50,061 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 13:58:50,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:58:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-12-07 13:58:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 13:58:50,062 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:58:50,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:58:50,062 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:58:50,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:58:50,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1411883511, now seen corresponding path program 1 times [2019-12-07 13:58:50,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:58:50,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136822077] [2019-12-07 13:58:50,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:58:50,067 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 13:58:50,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716702908] [2019-12-07 13:58:50,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:58:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:58:50,087 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:58:50,090 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:58:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:58:50,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136822077] [2019-12-07 13:58:50,115 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 13:58:50,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716702908] [2019-12-07 13:58:50,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:58:50,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:58:50,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369249854] [2019-12-07 13:58:50,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:58:50,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:58:50,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:58:50,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:58:50,116 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2019-12-07 13:58:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:58:50,129 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2019-12-07 13:58:50,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:58:50,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 13:58:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:58:50,130 INFO L225 Difference]: With dead ends: 11 [2019-12-07 13:58:50,130 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:58:50,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:58:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:58:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:58:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:58:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:58:50,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-07 13:58:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:58:50,132 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:58:50,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:58:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:58:50,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:58:50,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:58:50,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L242 CegarLoopResult]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 1) (<= (+ ULTIMATE.start_main_~x~0 (* 4294967296 (div ULTIMATE.start_main_~y~0 4294967296))) (+ (* 4294967296 (div ULTIMATE.start_main_~x~0 4294967296)) ULTIMATE.start_main_~y~0))) [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-12-07 13:58:50,404 INFO L246 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2019-12-07 13:58:50,405 INFO L246 CegarLoopResult]: For program point L18-2(lines 18 24) no Hoare annotation was computed. [2019-12-07 13:58:50,405 INFO L246 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2019-12-07 13:58:50,405 INFO L249 CegarLoopResult]: At program point L6-2(lines 1 27) the Hoare annotation is: true [2019-12-07 13:58:50,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:58:50 BoogieIcfgContainer [2019-12-07 13:58:50,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:58:50,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:58:50,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:58:50,416 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:58:50,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:58:45" (3/4) ... [2019-12-07 13:58:50,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:58:50,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:58:50,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:58:50,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b83106b6-3c4c-4f6a-b48b-d35d545e6858/bin/uautomizer/witness.graphml [2019-12-07 13:58:50,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:58:50,454 INFO L168 Benchmark]: Toolchain (without parser) took 5211.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:50,454 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:58:50,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -208.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:50,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:58:50,455 INFO L168 Benchmark]: Boogie Preprocessor took 11.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:50,456 INFO L168 Benchmark]: RCFGBuilder took 148.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:50,456 INFO L168 Benchmark]: TraceAbstraction took 4804.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:58:50,456 INFO L168 Benchmark]: Witness Printer took 36.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:58:50,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -208.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4804.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. * Witness Printer took 36.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x == 1 && x + 4294967296 * (y / 4294967296) <= 4294967296 * (x / 4294967296) + y - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 9 SDslu, 4 SDs, 0 SdLazy, 25 SolverSat, 2 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...