./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.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_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/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 950698bc17a751834ff482c414f89d89b98af415 ............................................................................................................................................................................................................................................................................................................................................. 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 19:00:17,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:00:17,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:00:17,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:00:17,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:00:17,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:00:17,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:00:17,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:00:17,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:00:17,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:00:17,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:00:17,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:00:17,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:00:17,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:00:17,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:00:17,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:00:17,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:00:17,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:00:17,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:00:17,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:00:17,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:00:17,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:00:17,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:00:17,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:00:17,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:00:17,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:00:17,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:00:17,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:00:17,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:00:17,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:00:17,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:00:17,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:00:17,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:00:17,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:00:17,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:00:17,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:00:17,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:00:17,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:00:17,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:00:17,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:00:17,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:00:17,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 19:00:17,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:00:17,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:00:17,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 19:00:17,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:00:17,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:00:17,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:00:17,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:00:17,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 19:00:17,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:00:17,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:00:17,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:00:17,838 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_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/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 -> 950698bc17a751834ff482c414f89d89b98af415 [2019-12-07 19:00:17,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:00:17,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:00:17,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:00:17,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:00:17,950 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:00:17,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-12-07 19:00:17,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/data/07427ae2a/7defe0cf014e4390aa6f092979508bf9/FLAG196b78c55 [2019-12-07 19:00:18,298 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:00:18,299 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-12-07 19:00:18,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/data/07427ae2a/7defe0cf014e4390aa6f092979508bf9/FLAG196b78c55 [2019-12-07 19:00:18,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/data/07427ae2a/7defe0cf014e4390aa6f092979508bf9 [2019-12-07 19:00:18,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:00:18,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:00:18,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:00:18,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:00:18,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:00:18,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d97e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18, skipping insertion in model container [2019-12-07 19:00:18,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:00:18,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:00:18,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:00:18,441 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:00:18,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:00:18,495 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:00:18,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18 WrapperNode [2019-12-07 19:00:18,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:00:18,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:00:18,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:00:18,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:00:18,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:00:18,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:00:18,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:00:18,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:00:18,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... [2019-12-07 19:00:18,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:00:18,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:00:18,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:00:18,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:00:18,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/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 19:00:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:00:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:00:18,680 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:00:18,680 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 19:00:18,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:00:18 BoogieIcfgContainer [2019-12-07 19:00:18,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:00:18,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:00:18,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:00:18,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:00:18,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:00:18" (1/3) ... [2019-12-07 19:00:18,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82379d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:00:18, skipping insertion in model container [2019-12-07 19:00:18,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:00:18" (2/3) ... [2019-12-07 19:00:18,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c82379d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:00:18, skipping insertion in model container [2019-12-07 19:00:18,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:00:18" (3/3) ... [2019-12-07 19:00:18,686 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c [2019-12-07 19:00:18,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:00:18,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:00:18,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:00:18,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:00:18,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:00:18,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:00:18,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:00:18,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:00:18,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:00:18,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:00:18,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:00:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 19:00:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 19:00:18,730 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:00:18,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 19:00:18,730 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:00:18,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:00:18,734 INFO L82 PathProgramCache]: Analyzing trace with hash 30449478, now seen corresponding path program 1 times [2019-12-07 19:00:18,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:00:18,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803840487] [2019-12-07 19:00:18,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:00:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:00:18,804 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 19:00:18,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803840487] [2019-12-07 19:00:18,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:00:18,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:00:18,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373392574] [2019-12-07 19:00:18,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:00:18,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 19:00:18,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:00:18,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:00:18,820 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-12-07 19:00:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:00:18,830 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2019-12-07 19:00:18,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:00:18,831 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-12-07 19:00:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:00:18,837 INFO L225 Difference]: With dead ends: 22 [2019-12-07 19:00:18,838 INFO L226 Difference]: Without dead ends: 10 [2019-12-07 19:00:18,839 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 19:00:18,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-07 19:00:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-07 19:00:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 19:00:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-12-07 19:00:18,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 5 [2019-12-07 19:00:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:00:18,860 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-12-07 19:00:18,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:00:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-12-07 19:00:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 19:00:18,861 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:00:18,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 19:00:18,861 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:00:18,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:00:18,861 INFO L82 PathProgramCache]: Analyzing trace with hash 921974944, now seen corresponding path program 1 times [2019-12-07 19:00:18,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:00:18,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778627576] [2019-12-07 19:00:18,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:00:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:00:18,922 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 19:00:18,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778627576] [2019-12-07 19:00:18,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:00:18,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:00:18,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301829275] [2019-12-07 19:00:18,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 19:00:18,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 19:00:18,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 19:00:18,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:00:18,925 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 3 states. [2019-12-07 19:00:18,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:00:18,940 INFO L93 Difference]: Finished difference Result 19 states and 25 transitions. [2019-12-07 19:00:18,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 19:00:18,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 19:00:18,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:00:18,941 INFO L225 Difference]: With dead ends: 19 [2019-12-07 19:00:18,941 INFO L226 Difference]: Without dead ends: 15 [2019-12-07 19:00:18,942 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 19:00:18,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-12-07 19:00:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2019-12-07 19:00:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 19:00:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-12-07 19:00:18,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 6 [2019-12-07 19:00:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:00:18,944 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 19:00:18,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 19:00:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-07 19:00:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 19:00:18,945 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:00:18,945 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:00:18,945 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:00:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:00:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1442215575, now seen corresponding path program 1 times [2019-12-07 19:00:18,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:00:18,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762027237] [2019-12-07 19:00:18,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:00:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:00:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:00:19,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762027237] [2019-12-07 19:00:19,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:00:19,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 19:00:19,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886387818] [2019-12-07 19:00:19,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 19:00:19,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 19:00:19,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 19:00:19,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 19:00:19,122 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 4 states. [2019-12-07 19:00:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:00:19,232 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2019-12-07 19:00:19,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 19:00:19,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 19:00:19,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:00:19,233 INFO L225 Difference]: With dead ends: 24 [2019-12-07 19:00:19,233 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:00:19,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 19:00:19,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:00:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:00:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:00:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:00:19,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-12-07 19:00:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:00:19,234 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:00:19,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 19:00:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:00:19,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:00:19,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:00:19,256 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:00:19,256 INFO L246 CegarLoopResult]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-12-07 19:00:19,256 INFO L242 CegarLoopResult]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (and (<= (div ULTIMATE.start_main_~y~0 4294967296) 0) (<= 1 ULTIMATE.start_main_~y~0)) (<= (* 2863311531 ULTIMATE.start_main_~x~0) (let ((.cse0 (div ULTIMATE.start_main_~x~0 4294967296))) (+ (* 8589934592 (div (+ (* .cse0 (- 4294967296)) ULTIMATE.start_main_~x~0) 3)) (* 12297829383904690176 .cse0) 1431655765)))) [2019-12-07 19:00:19,256 INFO L246 CegarLoopResult]: For program point L17(lines 17 28) no Hoare annotation was computed. [2019-12-07 19:00:19,256 INFO L246 CegarLoopResult]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-12-07 19:00:19,256 INFO L249 CegarLoopResult]: At program point L32(lines 12 33) the Hoare annotation is: true [2019-12-07 19:00:19,256 INFO L249 CegarLoopResult]: At program point L30(lines 30 31) the Hoare annotation is: true [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point L20(lines 20 27) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2019-12-07 19:00:19,257 INFO L246 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2019-12-07 19:00:19,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:00:19 BoogieIcfgContainer [2019-12-07 19:00:19,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:00:19,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:00:19,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:00:19,270 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:00:19,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:00:18" (3/4) ... [2019-12-07 19:00:19,273 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:00:19,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 19:00:19,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 19:00:19,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1247cd66-53b4-4dcd-b4e2-8412fd29f3c4/bin/uautomizer/witness.graphml [2019-12-07 19:00:19,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:00:19,322 INFO L168 Benchmark]: Toolchain (without parser) took 1006.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -80.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:19,322 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:19,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:19,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:19,323 INFO L168 Benchmark]: Boogie Preprocessor took 12.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:19,324 INFO L168 Benchmark]: RCFGBuilder took 149.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:19,324 INFO L168 Benchmark]: TraceAbstraction took 587.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:19,324 INFO L168 Benchmark]: Witness Printer took 49.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:19,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 587.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 16]: Loop Invariant Derived loop invariant: (y / 4294967296 <= 0 && 1 <= y) || 2863311531 * x <= 8589934592 * ((x / 4294967296 * -4294967296 + x) / 3) + 12297829383904690176 * (x / 4294967296) + 1431655765 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 7 SDslu, 21 SDs, 0 SdLazy, 19 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 34 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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...