./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:13,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:13,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 12:24:13,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:13,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:13,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:13,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:13,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:13,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:13,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:13,519 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:13,519 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:13,520 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:13,520 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:24:13,521 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:13,523 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:13,523 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:24:13,524 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:24:13,524 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:13,524 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:24:13,525 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:24:13,529 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:24:13,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:13,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:13,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:24:13,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:24:13,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:24:13,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:13,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:13,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:13,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:13,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:13,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:24:13,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:24:13,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:24:13,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:13,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:13,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:13,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:13,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:13,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:13,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:13,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:13,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:13,538 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:24:13,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:24:13,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:13,539 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:13,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:13,540 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 [2024-11-02 12:24:13,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:13,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:13,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:13,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:13,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:13,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c Unable to find full path for "g++" [2024-11-02 12:24:15,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:16,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:16,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2024-11-02 12:24:16,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/data/7ee2016b9/ea32bb88377f49459a791dd9c017b09e/FLAG41a67b68d [2024-11-02 12:24:16,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/data/7ee2016b9/ea32bb88377f49459a791dd9c017b09e [2024-11-02 12:24:16,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:16,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:16,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:16,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:16,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:16,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528cc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16, skipping insertion in model container [2024-11-02 12:24:16,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:16,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:16,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:16,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:16,551 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:16,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16 WrapperNode [2024-11-02 12:24:16,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:16,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:16,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:16,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:16,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,598 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-02 12:24:16,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:16,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:16,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:16,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:16,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:16,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:16,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:16,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:16,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (1/1) ... [2024-11-02 12:24:16,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:16,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:24:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:24:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_39_0 [2024-11-02 12:24:16,725 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_39_0 [2024-11-02 12:24:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:16,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:24:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:24:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:24:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:24:16,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:16,822 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:24:17,527 INFO L? ?]: Removed 175 outVars from TransFormulas that were not future-live. [2024-11-02 12:24:17,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:24:17,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:24:17,594 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:24:17,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:17 BoogieIcfgContainer [2024-11-02 12:24:17,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:24:17,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:24:17,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:24:17,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:24:17,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:16" (1/3) ... [2024-11-02 12:24:17,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61230f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:17, skipping insertion in model container [2024-11-02 12:24:17,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:16" (2/3) ... [2024-11-02 12:24:17,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61230f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:17, skipping insertion in model container [2024-11-02 12:24:17,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:17" (3/3) ... [2024-11-02 12:24:17,609 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_bresenham.c [2024-11-02 12:24:17,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:24:17,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-02 12:24:17,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:24:17,738 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4778d72b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:24:17,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-02 12:24:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 128 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 12:24:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-02 12:24:17,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:24:17,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-11-02 12:24:17,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2024-11-02 12:24:17,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:24:17,759 INFO L85 PathProgramCache]: Analyzing trace with hash 6289, now seen corresponding path program 1 times [2024-11-02 12:24:17,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:24:17,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879664170] [2024-11-02 12:24:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:24:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:24:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:17,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:24:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:24:17,998 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:24:18,000 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:24:18,002 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-11-02 12:24:18,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-11-02 12:24:18,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-11-02 12:24:18,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-11-02 12:24:18,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-11-02 12:24:18,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-11-02 12:24:18,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-11-02 12:24:18,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-11-02 12:24:18,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-11-02 12:24:18,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-11-02 12:24:18,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-11-02 12:24:18,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-11-02 12:24:18,007 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-11-02 12:24:18,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-11-02 12:24:18,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-11-02 12:24:18,008 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-11-02 12:24:18,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-11-02 12:24:18,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-11-02 12:24:18,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-11-02 12:24:18,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-11-02 12:24:18,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-11-02 12:24:18,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-11-02 12:24:18,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-11-02 12:24:18,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-11-02 12:24:18,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-11-02 12:24:18,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-11-02 12:24:18,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-11-02 12:24:18,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-11-02 12:24:18,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-11-02 12:24:18,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-11-02 12:24:18,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-11-02 12:24:18,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-11-02 12:24:18,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-11-02 12:24:18,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-11-02 12:24:18,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-11-02 12:24:18,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-11-02 12:24:18,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-11-02 12:24:18,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-11-02 12:24:18,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-11-02 12:24:18,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-11-02 12:24:18,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-11-02 12:24:18,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-11-02 12:24:18,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-11-02 12:24:18,018 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-11-02 12:24:18,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-11-02 12:24:18,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-11-02 12:24:18,019 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-11-02 12:24:18,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-11-02 12:24:18,020 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-11-02 12:24:18,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-11-02 12:24:18,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-11-02 12:24:18,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-11-02 12:24:18,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-11-02 12:24:18,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-11-02 12:24:18,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-11-02 12:24:18,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-11-02 12:24:18,023 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-11-02 12:24:18,024 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-11-02 12:24:18,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:24:18,029 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:24:18,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:24:18,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:24:18 BoogieIcfgContainer [2024-11-02 12:24:18,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:24:18,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:24:18,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:24:18,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:24:18,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:17" (3/4) ... [2024-11-02 12:24:18,067 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-02 12:24:18,122 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:24:18,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:24:18,124 INFO L158 Benchmark]: Toolchain (without parser) took 1938.88ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 85.4MB in the beginning and 92.3MB in the end (delta: -6.9MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,125 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:18,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.62ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 72.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.04ms. Allocated memory is still 121.6MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:24:18,130 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 121.6MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,131 INFO L158 Benchmark]: RCFGBuilder took 946.31ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 68.6MB in the beginning and 115.3MB in the end (delta: -46.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,132 INFO L158 Benchmark]: TraceAbstraction took 465.36ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 94.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,132 INFO L158 Benchmark]: Witness Printer took 59.79ms. Allocated memory is still 163.6MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:24:18,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.62ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 72.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.04ms. Allocated memory is still 121.6MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 121.6MB. Free memory was 69.9MB in the beginning and 68.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 946.31ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 68.6MB in the beginning and 115.3MB in the end (delta: -46.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 465.36ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 94.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 59.79ms. Allocated memory is still 163.6MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 90]: integer overflow possible integer overflow possible We found a FailurePath: [L83] int X; [L84] int Y; [L85] int v; [L86] int x; [L87] int y; [L88] X = __VERIFIER_nondet_int() [L89] Y = __VERIFIER_nondet_int() [L90] EXPR \read(Y) VAL [X={7:0}, Y={9:0}, v={5:0}, x={6:0}, y={8:0}] [L90] 2 * Y VAL [X={7:0}, Y={9:0}, v={5:0}, x={6:0}, y={8:0}] - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 incorrect! [2024-11-02 12:24:18,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73412bfe-b98c-48c3-b632-7e2a489260cb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)